TM 1-1520-238-23
Change 9
1-158.21
1.49.
CORROSION CONTROL/INSPECTION – continued
(2) Seal formation, anticollision, and navigation lights with sealing compound (item 162, App F) or sealing
compound (item 170A, App F).
(3) If not ready present, add a 0.5 INCH drain hole in lower surface of wing to fuselage fairing (approximately
1.5 INCHES from the inboard edge, at lowest point).
(4) Apply corrosion preventive compound (item 64, App F) to all electrical connectors in pylon area, followed
by corrosion preventive compound (item 62B, App F).
(5) Apply corrosion preventive compound (item 64, App F) to all electrical connectors in engine nose gearbox.
(6) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to hinges on access doors L190 and L210.
(7) Seal skin splice over L160 controls access with sealing compound (item 160, App F) or sealing compound
(item 170A, App F).
w. Fuselage – left side forward (area 11)
(1) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to hinges and latches on doors L117 and L187.
(2) Apply sealing compound (item 162, App F) or sealing compound (item 170A, App F) to main landing gear
shock strut, bolt heads, nuts, and exposed threads.
(3) Coat inside of trailing arm with corrosion preventive compound (item 63, App F) or corrosion preventive
compound (item 63A, App F).
(4) Apply sealing compound (item 162, App F) or sealing compound (item 170A, App F) to metal clamps on
trailing arm and all unprotected exposed metal areas at upper end.
(5) Seal main landing gear end cap with sealing compound (item 164, App F) or sealing compound
(item 170C, App F).
(6) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to crash attenuation piston shafts. Wipe off excess with a clean dry cloth.
(7) Seal wheel data tag, bolt heads, nuts, and exposed threads with sealing compound (item 162, App F) or
sealing compound (item 170A, App F).
(8) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to hinge and latch on avionics door.
(9) Apply corrosion preventive compound (item 64, App F), followed by corrosion preventive compound
(item 62B, App F), to all electrical connectors in avionics areas.
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