TM 1-1520-238-23
1-402.10
Change 10
1.137.
SPECIAL INSPECTION CHECKLIST – continued
Helicopter Serial No.:
Date:
Area
No.
REQUIREMENT
EVERY
Item
Status
Special
Inspection
No.
7
43A
(cont)
i. Install ammo storage magazine (TM 9-1090-208-23-1).
j. Install ammunition bay door B200 (para 2.2).
3
43B
BEFORE EACH FLIGHT
APPLICABLE TO AIRCRAFT WITH 1750 OR MORE FLIGHT HOURS WHICH HAVE
NOT BEEN MODIFIED BY MWO 1-1520-238-50-32 OR BY CLOSURE OF THE
SLOT AREA BETWEEN FS 370 AND 450.
THE INSPECTION AREA BOUNDS THE NO. 2 LEFT HAND STRINGER BETWEEN
FS 409 AND 476.
INSPECTION PROCEDURES
a. Inspect the skin surface over the No. 2 left hand stringer area of the slot
on the upper left side of the tailboom from FS 409 to 476 before each
flight.
b. Concentrate on the skin surface over the No. 2 left hand stringer. Inspect
for working rivets or skin cracking.
c. If working rivets or skin cracking are found, refer to correction procedures.
d. If no defects are found, aircraft is operational. Continue to perform the
recurring inspection before each flight. The accumulated flight hours shall
not exceed three (3) flight hours between inspections.
e. This recurring inspection shall be performed until a doubler strap is
installed or the slot area is closed between fuselage stations FS 370 and
450.
f. Mark the skin inspection area using paint stripes to facilitate inspection.
Put paint stripe at FS 408 and another at FS 477 on the area around the
No. 2 left hand stringer.
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