TM 55-1520-240-23-1
1-92
INSPECTION (Continued)
1-92
REF.
NO.
AREA
NO.
FREQUENCY
INSPECTION REQUIREMENTS
13.
IF FUEL VENTS OVERBOARD FROM A MAIN FUEL TANK DURING NORMAL FLIGHT OPERATIONS:
a. Perform pressure refueling precheck.
b. Perform pressure check of 2 inch pressure refueling/auxiliary fuel transfer
hose.
c. Perform pressure check of vent system for affected tank.
14.
WHEN AN AIRCRAFT HAS BEEN SUBJECTED TO A HARD LANDING OR WHEN EMERGENCY EXIT
LIGHTS (IF INSTALLED) ARE ACTUATED DURING LANDING:
2, 3
a. Landing gear attachment fittings for misalignment and cracks. Fluorescent
inspect in accordance with TM 1-1500-335-23.
2, 3,
8, 9
b. Support frames and skin (internal and external) for distortion.
6, 7,
8, 9,
10
c. Fuselage and transmission support numbers for cracks and distortion.
4, 5, 8
d. No. 1 and No. 2 engine support structure for cracks, distortion, and loose
rivets.
4, 5
e. Perform excessive G-Load inspection on engines. Refer to TM
55-2840-254-23.
4, 5
f. Engine mounting pads for cracks and loose bolts.
8
g. APU support structure for cracks, distortion, and loose rivets.
2, 3
h. Wheels for cracks and distortion. Fluorescent inspect in accordance with
TM 1-1500-335-23.
2, 3
i. Shock struts for leakage and distortion.
2, 3
j. Fluorescent inspect shock strut mount fittings for cracks. Refer to TM
1-1500-335-23.
2, 3
k. Tires for damage.
6, 7
l. Droop stops and hub for distortion.
1, 10
m. Dynamic absorbers support structure for cracks, distortion, and loose rivets.
2, 3
n. Fuel pod support structure for cracks and distortion.
2, 3
o. Perform inspection on crash resistant fuel system (Task 10-4).
15.
WHEN HARD LANDING INSPECTION SHOWS MISALIGNMENT OR CRACKS IN LANDING GEAR, OR
DISTORTION AND/OR LOOSE OR MISSING RIVETS IN SUPPORTING FRAMES OR SKIN:
2, 3
a. Wheels (disassembled) for cracks. Fluorescent inspect wheel forgings,
welded areas, axles, and attaching bolts in accordance with TM 1-1500-335-23.
Wheel bearings for condition.
4, 5
b. No. 1 and No. 2 engine supports for cracks. Fluorescent inspect in
accordance with TM 1-1500-335-23.
8
c. Ramp for proper operation and alignment of pins in sockets.
2, 3
d. Fuel cells and components for damage and loose attachment fittings (pod
lowered).
1-348
Change 3
