TM 55-1510-221-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT
(CONT)
movement of control surfaces for direction
with movement of cockpit controls Check for
any
abnormal
friction
or
obstructions
through full range of travel
INTERIOR CHECK
1 .
Cargo/loose equipment Check secure.
*2 . Cabin/cargo doors Test and lock .
a .
Cabin door Check closed and latched
by the following.
(1)
Safety arm and diaphragm plunger
Check position (lift door step).
(2)
Index marks on rotary cam locks
(6) Check aligned with indicator
windows.
b .
Cargo door Check closed and latched
by the following.
(1)
Upper handle Check closed and
latched (Observe through cargo
door latch handle access cover
window ).
(2)
Yellow index marks on rotary cam
locks
(4)
Check
aligned
with
indicator windows.
(3)
Lower pin latch handle Check
closed and latched .
2-6
