Rev. No. 0
MPD Rev. OCT.09.
Form No.AICL/QC/INSP/00
BLOCK C CHECK MPD TASK
S/N /
Task / Description
/ MPD/Source
Ref. No. / BOEING CARD NO. / AME / DATE
1 / General visual inspection of HIRF/L sensitive wire runs outside the pressure vessel on left side of the airplane. Look for obvious signs of damage and lack of security of the wire runs. / 20-010-01 / 20-010-01-01
2 / General visual inspection of HIRF/L sensitive wire runs outside the pressure vessel on right side of the airplane. Look for obvious signs of damage and lack of security of the wire runs. / 20-010-02 / 20-010-02-01
3 / Perform a detail visual inspection of the HIRF/L sensitive connectors outside the pressure vessel on the left side of airplane. / 20-030-01 / 20-030-01-01
4 / Perform a detail visual inspection of the HIRF/L sensitive connectors outside the pressure vessel on the right side of airplane. / 20-030-02 / 20-030-02-01
5 / Perform a functional check of the HIRF/L sensitive connectors outside the pressure vessel on the left side of the airplane. CheckDC resistance from the backshell to ground. / 20-040-01 / 20-040-01-01
6 / Perform a functional check of the HIRF/L sensitive connectors outside the pressure vessel on the right side of the airplane. CheckDC resistance from the backshell to ground. / 20-040-02 / 20-040-02-01
7 / Perform a detail visual inspection of HIRF/L sensitive connectors inside the pressure vessel. During the inspection do not disconnect connectors. Look for condition, security, and signs of corrosion. / 20-050-00 / 20-050-00-01
8 / Perform a detail visual inspection of HIRF/L sensitive pig tails outside the pressure vessel on the left side of the airplane. Inspect for condition of security and signs of corrosion. / 20-080-01 / 20-080-01-01
9 / Perform a detail visual inspection of HIRF/L sensitive pig tails outside the pressure vessel on the right side of the airplane. Inspect for condition of security and signs of corrosion. / 20-080-02 / 20-080-02-01
10 / Perform a general visual inspection of the bonding straps at the following locations: 1 strap on the rudder, 2 straps per aileron, leading edge flap, spoiler and each elevator surface. Strut to wing bonding uses 1 straps per wing. Each air conditioning pack compartment door, main landing gear door, each engine cowling and each strut to engine installation uses 2 bonding straps. / 20-100-00 / 20-100-01-01
11 / General visual inspection of external (cowl open) harness condition and security of left engine. / 20-110-01 / 20-110-01-01
12 / General visual inspection of external (cowl open) harness condition and security of right engine. / 20-110-02 / 20-110-02-01
13 / Detailed inspection of connectors for tightness (all connectors on harness J5, J6, J7, J8, J9, CJ9, J10, CJ10, MW0301, MW0302, MW0303 AND MW0304) on the left engine. / 20-120-01 / 20-120-01-01
14 / Detailed inspection of connectors for tightness (all connectors on harness J5, J6, J7, J8, J9, CJ9, J10, CJ10, MW0301, MW0302, MW0303 AND MW0304) on the right engine. / 20-120-02 / 20-120-02-01
15 / General visual inspection of the two engine bonding straps related to HIRF/Lighting for condition and security on left engine. / 20-130-01 / 20-130-01-01
16 / General visual inspection of the two engine bonding straps related to HIRF/Lighting for condition and security on right engine. / 20-130-02 / 20-130-02-01
17 / Perform a functional check of the HIRF/L sensitive connectors inside the empennage. / 20-140-00 / 20-140-00-01
18 / Restore (clean) flight deck security door wiring in the flight deck floor just forward of panel P6 under metal cover from Sta 259.5 forward to floor penetration at Sta 244 to 250. / 20-280-00 / 20-280-00-01
19 / Clean the area behind the electrical and electronics rack and in the airstair compartment (if installed). (EZAP)
ACCESS NOTE: Access panel 117BL is only for airplanes with airstairs installed. Alternate access behind E2, E3, and E4 electronics rack is through 121JW, 121KW, 121LW and 122HW panels. / 20-310-00 / 20-310-00-01
20 / Inspect (Detailed) the power feeder and exposed EWIS behind the electrical and electronics rack. (EZAP)
ACCESS NOTE: Alternate access behind E2, E3, and E4 electronics rack is through 121JW, 121KW, 121LW and 122HW panels. / 20-320-00 / 20-320-00-01
21 / Clean areas behind ceiling and sidewalls. (EZAP)
ACCESS NOTE: Ceiling and Sidewall panels removal required. / 20-330-00 / 20-330-00-01
22 / Clean areas below forward cargo compartment. (EZAP)
ACCESS NOTE: Center floor panels removal required. Cargo loading system removed/displaced as required. / 20-340-00 / 20-340-00-01
23 / Inspect (General Visual) the EWIS in the main landing gear wheel well. (EZAP)
ACCESS NOTE: Through main landing gear opening. / 20-360-00 / 20-360-00-01
24 / Clean areas behind the aft cargo compartment ceiling and sidewall panels. (EZAP)
ACCESS NOTE: Ceiling and Sidewall panels removal required. / 20-370-00 / 20-370-00-01
25 / Clean area below aft cargo compartment. (EZAP)
ACCESS NOTE: Center floor panels removal required. Cargo loading system removed/displaced as required. / 20-380-00 / 20-380-00-01
26 / Clean area in aft cargo compartment equipment bay. (EZAP)
ACCESS NOTE: Aft cargo panels at 947 bulkhead removal required. / 20-390-00 / 20-390-00-01
27 / Clean from waterline 208 to 232 and STA. 186 to STA 211. (EZAP)
ACCESS NOTE: Accessible areas forward of and above the rudder pedals. / 20-400-00 / 20-400-00-01
28 / Inspect (Detailed) the generator power feeders, ignition leads and electric starter in the APU compartment. (EZAP)
/ 20-460-00 / 20-460-00-01
29 / Inspect (Detailed) the generator power feeders on Engine No. 1. (EZAP) / 20-470-00 / 20-470-00-01
30 / Inspect (Detailed) the generator power feeders on Engine No. 2. (EZAP) / 20-480-00 / 20-480-00-01
31 / Inspect (Detailed) the power feeders and exposed EWIS in FWD Strut Fairing. (EZAP) / 20-490-00 / 20-490-00-01
32 / Inspect (Detailed) the power feeders and exposed EWIS in Fan Cowl Support Beam. (EZAP) / 20-500-00 / 20-500-00-01
33 / Inspect (Detailed) the power feeders and exposed EWIS in Strut Torque Box. (EZAP) / 20-510-00 / 20-510-00-01
34 / Inspect (Detailed) the power feeders and exposed EWIS in FWD Strut Fairing. (EZAP) / 20-520-00 / 20-520-00-01
35 / Inspect (Detailed) the power feeders and exposed EWIS in Fan Cowl Support Beam. (EZAP) / 20-530-00 / 20-530-00-01
36 / Inspect (Detailed) the power feeders and exposed EWIS in Strut Torque Box. (EZAP) / 20-540-00 / 20-540-00-01
37 / Inspect (Detailed) the exposed EWIS from the rear spar to L.G. support beam. (EZAP) / 20-570-00 / 20-570-00-01
38 / Inspect (Detailed) the exposed EWIS from the rear spar to L.G. support beam. (EZAP) / 20-610-00 / 20-610-00-01
39 / Replace the recirculation fan HEPA filter(s). / 21-010-00 / 21-010-00-01
40 / Perform a detailed inspection of the Recirculation Fan Check Valve(s) for condition, security, and proper operation. / 21-015-00 / 21-015-00-1
41 / Operationally check the alternate E/E cooling supply fan.
Note: This task also checks the normal E/E cooling supply fan check valve. / 21-020-00 / 21-020-00-01
42 / Operationally check the alternate E/E cooling exhaust fan.
Note: This task also checks the normal E/E cooling exhaust fan check valve. / 21-030-00 / 21-030-01-01
43 / Replace the E/E cooling supply fan filter. / 21-040-00 / 21-040-00-01
44 / Operationally check the overboard exhaust valve in smoke clearance mode. / 21-050-00 / 21-050-00-01
45 / Operationally check the outflow valve manual mode (motor), selector panel, indicator, indicator feedback module. / 21-060-00 / 21-060-00-01
46 / Functionally check the positive pressure relief valves. / 21-070-00 / 21-070-00-01
47 / Replace the positive pressure relief valve filters. / 21-080-00 / 21-080-00-01
48 / Clean the primary and secondary heat exchangers. / 21-100-00 / 21-100-00-01
49 / Clean or replace the cabin temperature sensor filters (737-600/700 has one each in the control and passenger cabins, 737-800/900 has one in the control cabin and two in the passenger cabin). / 21-150-00 / 21-150-00-01
50 / Discard APU bleed air duct flexible pressure seal. / 21-190-00 / 21-190-00-01
51 / Functional check of resistance of static discharges. / 23-030-00 / 23-030-00-01
52 / Operational check of the voice recorder. / 23-040-00 / 23-040-00-01
53 / Functional check of the voice recorder for audio fidelity. / 23-050-00 / 23-050-00-01
54 / Operational check of the ULB at battery replacement.. / 23-060-00 / 23-060-00-01
55 / Replace ULB battery at vendor's recommendation. / 23-070-00 / 23-070-00-01
56 / Operational check of oxygen mask microphone. / 23-080-00 / 23-080-00-01
57 / Operational check of the passenger address speakers. / 23-090-00 / 23-090-00-01
58 / Operationally check the Emergency Locator Transmitter (Automatic / Fixed Type). / 23-100-00 / 23-100-00-01
23-100-00-02
59 / Change left IDG oil. / 24-010-01 / 24-010-01-01
60 / Change right IDG oil. / 24-010-02 / 24-010-02-01
61 / Detailed Inspection of left IDG delta P indicator. / 24-020-01 / 24-020-01-01
62 / Detailed Inspection of right IDG delta P indicator. / 24-020-02 / 24-020-02-01
63 / Detailed Inspection of left IDG oil level. / 24-030-01 / 24-030-00-01
64 / Detailed Inspection of right IDG oil level. / 24-030-02 / 24-030-02-01
65 / Replace left IDG charge and scavenge filters. / 24-040-01 / 24-040-01-01
66 / Replace right IDG charge and scavenge filters. / 24-040-02 / 24-040-02-01
67 / Torque check the left engine IDG quick attach/detach (QAD) coupling. / 24-050-01 / 24-050-01-01
68 / Torque check the right engine IDG quick attach/detach (QAD) coupling. / 24-050-02 / 24-050-02-01
69 / Operational check of the standby power control unit (SPCU) / 24-100-00 / 24-100-00-01
70 / Functional check of the external power receptacle pins for excessive
wear. / 24-130-00 / 24-130-00-01
71 / Detailed inspection of the external power receptacle pins for signs of overheat and security of installation. / 24-140-00 / 24-140-00-01
72 / Functionally check the horizontal adjustment holes in the captain seat tracks for elongation and verify the captain seat tracks for wear, condition, and security. / 25-010-01 / 25-010-01-01
73 / Functionally check the horizontal adjustment holes in the first officer seat tracks for elongation and verify the first officer seat tracks for wear, condition, and security. / 25-010-02 / 25-010-02-01
74 / Inspect (Detailed) the captain, first officer, first observer, and second observer (if installed) seat harnesses, crotch straps, and shoulder belts (as applicable) for wear, condition, and security. / 25-020-00 / 25-020-00-01
75 / Operationally check the captain, first officer, and the first observer seat harness inertia reels. / 25-030-00 / 25-030-00-01
76 / Inspect (Detailed) the passenger seat belts w/o removal for wear, condition, and security. / 25-040-00 / 25-040-00-01
77 / Visually check the passenger compartment seats for proper attachment. / 25-045-00 / 25-045-00-01
78 / Operationally check the passenger seat break-over feature on all seats adjacent (forward and aft) to all of the emergency exits. / 25-050-00 / 25-050-00-01
79 / Inspect (Detailed) the passenger seat back recline mechanisms for condition, security, and proper operation. / 25-060-00 / 25-060-00-01
80 / Inspect (Detailed) the passenger seat back recline restriction mechanisms on all applicable seats for condition, security, and proper operation. / 25-070-00 / 25-070-00-01
81 / Inspect (Detailed) the attendant seat bottoms for proper retraction, condition, and security. / 25-080-00 / 25-080-00-01
82 / Inspect (Detailed) the attendant seat harness w/o removal for wear, condition, and security. / 25-090-00 / 25-090-00-01
83 / Operationally check the attendant seat harness inertia reel lock feature. / 25-100-00 / 25-100-00-01
84 / Operationally check the attendant seat harness inertia reels. / 25-110-00 / 25-110-00-01
85 / Operationally check the lavatory waste compartment flapper door spring.
Note: Inspect the waste receptacles per AD 74-08-09R2 at an interval not to exceed 1000 hours. / 25-120-00
FAA AD
#74-08-09R2 / 25-120-00-01
86 / Inspect (Detailed) the lavatory waste compartment flapper door and the waste compartment access door latching mechanism for wear, condition, and security.
Note: Inspect the waste receptacles per AD 74-08-09R2 at an interval not to exceed 1000 hours. / 25-130-00
DGCA/NEW/
MISC/ 03
FAA AD
#74-08 / 25-130-00-01
87 / Inspect (General Visual) the Sta 396 (Sta 400 for the 700C) bulkhead panels for condition and security. / 25-140-00 / 25-140-00-01
88 / Inspect (General Visual) the electronic compartment moisture shrouds for obvious cracks/tears, clogged drains, condition, and security. / 25-150-00 / 25-150-00-01
89 / Inspect (General Visual) the cargo compartment floor, ceiling, and sidewall panels/liners for holes/tears, condition, and security. / 25-160-00 / 25-160-00-01
25-160-00-02
90 / Inspect (General Visual) the cargo door restraint system for condition and security. / 25-170-00 / 25-170-00-01
25-170-00-02
91 / Operationally check (on airplane) the entry and service door emergency escape system (doors and escape slides). Note: Operationally check one different emergency escape system every 3 years on each airplane until all four doors are complete in 12 years, then repeat. Inadvertent deployments will not satisfy this item. / 25-220-00 / 25-220-00-01
92 / Inspect (Detailed) the entry and service door emergency escape systems (at all 4 doors) including the door openings, the emergency escape slide compartments and the escape slide components without removing the escape slide for condition and security. / 25-230-00 / 25-230-00-01
25-230-00-02
25-230-00-03
25-230-00-04
93 / Visually check the emergency escape slide pressure bottles for proper pressure. / 25-250-00 / 25-250-00-01
94 / Restore the life jackets (if installed) at the manufacturer's recommended interval. / 25-290-00 / 25-290-00-01
95 / Visually check the life raft pressure bottle (if installed) for proper pressure. / 25-310-00 / 25-310-00-01
96 / Operationally check the power megaphones. / 25-330-00 / 25-330-00-01
97 / Visually check all detachable emergency equipment (gloves, smoke goggles, crash axe, flashlights, first aid kits, and medical kits, as applicable) for condition and presence. / 25-370-00 / 25-370-00-01
98 / Replace the emergency flashlight batteries (as applicable) at the manufacturer's recommended interval. / 25-390-00 / 25-390-00-01
99 / Inspect (Detailed) the smoke hoods for condition. / 25-400-00 / 25-400-00-01
100 / Operational check of the lavatory smoke detectors. / 26-010-00 / 26-010-00-01
101 / Restore lavatory smoke detector grill by cleaning. / 26-020-00 / 26-020-00-01
102 / Operational check of the APU remote fire detection system (M279 fire detection control module and P28 remote APU control panel). / 26-030-00 / 26-030-00-01
103 / Visually check engine fire bottle pressure gauge for correct pressure. (and APU fire bottle pressure gauge if installed). / 26-050-00 / 26-050-00-01
104 / Functional check of the engine squib firing circuit using the engine fire handle switch. / 26-080-00 / 26-080-00-01
105 / Operational check of the engine fire handle (Including fire handle lock override circuitry) for engine shutdown and isolation. / 26-110-00 / 26-110-00-01
106 / Functional check the engine fire extinguishing distribution system (pressure check). / 26-150-00 / 26-150-00-01
107 / General visual inspection of engine fire extinguisher distribution system. / 26-170-00 / 26-170-00-01
108 / Functional check of the APU squib firing circuit using the APU fire handle switch and verify squib circuit continuity. / 26-220-00 / 26-220-00-01
109 / Operational check of the APU fire handle (including fire handle lock override circuitry and P28 remote APU control panel) for APU shutdown and isolation. / 26-230-00 / 26-230-00-01
110 / General visual inspection of the APU remote control panel for condition and security of installation. / 26-250-00 / 26-250-00-01
111 / Detail visual inspection of the APU fire extinguishing distribution system and APU fire bottle. / 26-280-00 / 26-280-00-01
112 / Inspect (Detailed) lavatory waste compartment fire extinguishing bottles for correct weight.. / 26-290-00 / 26-290-00-01
113 / Detail visual inspection of the lavatory fire bottle fusible tips and discharge tubes. / 26-300-00 / 26-300-00-01
114 / Visual check of lavatory waste compartment temperature indicator strip for heat exposure. / 26-320-00 / 26-320-00-01
115 / Functional check cargo fire extinguishing distribution system (pressure check). / 26-340-00 / 26-340-00-01
116 / Operationally check the cargo fire extinguishing arm/discharge switches to verify circuitry.
ACCESS NOTE: Removal of air conditioning ducting may be required. / 26-370-00 / 26-370-00-01
117 / Functionally check the cargo fire extinguishing 60-minute timer. / 26-400-00 / 26-400-00-01
118 / Inspect (detailed) the portable water fire extinguishers for condition. / 26-470-00 / 26-470-00-01
119 / General visual inspection of the forward aileron mechanical components. / 27-011-00 / 27-011-00-01
120 / Perform a general visual inspection of the aileron transfer mechanism. / 27-012-00 / 27-012-00-01
121 / Perform a general visual inspection of the left wing aileron mechanical components from the aileron PCU's to the aileron and the flight spoiler mechanical control path. / 27-013-01 / 27-013-01-01
122 / Perform a general visual inspection of the right wing aileron mechanical components from the aileron PCU's to the aileron and the flight spoiler mechanical control path. / 27-013-02 / 27-013-02-01
123 / Operationally check the aileron spring cartridge and transfer mechanism. / 27-016-00 / 27-016-00-01
124 / Functionally check the force required to extend and collapse the A and B system aileron power control unit input pogo's. / 27-022-00 / 27-022-00-01
125 / Functionally check the A and B system aileron power control unit internal leakage in a loaded condition. / 27-024-00 / 27-024-00-01
126 / Lubricate the left wing aileron mechanical control path and aileron power control units. / 27-026-01 / 27-026-01-01
127 / Lubricate the right wing aileron mechanical control path. / 27-026-02 / 27-026-02-01
128 / Perform a detail visual inspection of the aileron feel and centering springs. / 27-028-00 / 27-028-00-01
129 / Operationally check, hydraulic power off, the aileron control surfaces for full range of travel and freedom of movement. / 27-030-00 / 27-030-00-01
130 / Functionally check the left and right wing aileron tab freeplay. / 27-033-00 / 27-033-00-01
27-033-00-02
131 / Perform a detail visual inspection of the left wing aileron balance bay seals. / 27-034-01 / 27-034-01-01
132 / Perform a detail visual inspection of the right wing aileron balance bay seals.
INTERVAL NOTE: Whichever occurs first. / 27-034-02 / 27-034-02-01
133 / Functionally check the left and right wing aileron surface freeplay. / 27-035-00 / 27-035-00-01
27-035-00-02
134 / Detail Inspection of Aft Rudder Quadrant, Torque Tube Assembly, Feel and Centering Unit, and associated Input/Output Rods.
(a) Aft quadrant
(b) Aft quadrant output rod
(c) Aft quadrant bearings
(d) Aft quadrant shaft
(e) Rudder torque tube
(f) Rudder torque tube bearings
(g) Rudder torque tube cranks
(h) Rudder torque tube input rods
(i) Feel and Centering Unit
(j) Feel and Centering Unit output rod. / 27-036-00 / 27-036-00-01
135 / General visual inspection of the rudder forward mechanical control path. / 27-038-00 / 27-038-00-01
136 / Lubricate the rudder feel and centering unit spring slider. / 27-040-00 / 27-040-00-01
137 / Operationally check the main rudder PCU force fight monitor. / 27-041-00 / 27-041-00-01
138 / Operationally check the rudder PCU overrides. / 27-043-00 / 27-043-00-01
139 / Lubricate the main and standby rudder power control unit rod ends and rudder hinges. / 27-046-00 / 27-046-00-01
140 / Functionally check the rudder power control unit internal leakage in a loaded condition. / 27-47-00
27-CMR-10 / 27-047-00-01
141 / Functionally check the rudder PCU relief valve (Authority Limiter) during rudder PCU internal leakage. / 27-048-00 / 27-048-00-01
142 / Operationally check the standby rudder system power control unit.
Note: This task is satisfied by accomplishment of task 29-230-00. Task is included in MPD for completeness. / 27-052-00 / 27-052-00-01
143 / Functionally check the standby rudder power control unit for internal leakage in a loaded condition. / 27-054-00 / 27-054-00-01
144 / Perform a general visual inspection of the standby rudder power control unit with hydraulic power on. / 27-056-00 / 27-056-00-01
145 / Perform a detail visual inspection of the standby rudder power control unit fore and aft attachment points (structure to PCU to rudder surface). / 27-058-00 / 27-058-00-01
146 / Operationally check the wheel to rudder interconnect system (WTRIS). / 27-060-00 / 27-060-00-01
27-060-00-02
147 / Operationally check the rudder trim through the full range of movement. / 27-062-00 / 27-062-00-01
27-062-00-02
148 / Functionally check the rudder surface freeplay. / 27-064-00 / 27-064-00-01
27-064-00-02
149 / Perform a detailed visual inspection of the rudder single element dual load path feel and centering command and ground path components. / 27-065-00 / 27-065-00-01
150 / Perform a detailed visual inspection of the rudder single element dual load path rudder PCU input components. / 27-066-00 / 27-066-00-01
151 / Operationally check the elevator feel shift function. / 27-068-00 / 27-068-00-01
152 / Lubricate the elevator mechanical control path. / 27-070-00 / 27-070-00-01