TM 1-1520-238-23
Change 9
1-158.17
1.49.
CORROSION CONTROL/INSPECTION – continued
k. Electronics Compartment Bay (area 3)
(1) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to hinges and latches on access door R295.
(2) Apply corrosion preventive compound (item 64, App F) to electrical connectors, followed by corrosion
preventive compound (item 62B, App F).
l. Fuselage – right side aft (area 4)
(1) Seal two holes and skin splice at top right corner of access door R295 with sealing compound (item 162,
App F) or sealing compound (item 170A, App F).
(2) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to hinges and latches on hydraulic access door R325, external power access door R345, and
stowage compartment door R330.
(3) Seal tail rotor drive shaft hanger mounts where they attach to fuselage with sealing compound (item 162,
App F) or sealing compound (item 170A, App F).
(4) Apply epoxy primer coating kit (item 76A, App F) or epoxy primer coating kit (item 78A, App F) to all drive
shaft hanger mount bolts. Use sealing compound (item 162, App F) or sealing compound (item 170A,
App F) as alternate, if primer is not available.
(5) Apply epoxy primer coating kit (item 76A, App F) or epoxy primer coating kit (item 78A, App F) to tail rotor
drive shaft couplings flanges and bolts under R410 and R475 fairing.
(6) Apply corrosion preventive compound (item 63A, App F) (fluid film) to all teflon clamps on hydraulic lines
under R410 and R475 fairing.
m. Tail Section (area 5)
(1) Seal skin seams around vertical stabilizer mounting brackets with sealing compound (item 164, App F) or
sealing compound (item 170C, App F).
(2) Apply sealing compound (item 162, App F) or sealing compound (item 170A, App F) to stabilizer mounting
bolts and nuts.
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