TM 1-1520-240-MTF
2-2
PRIOR TO MAINTENANCE TEST FLIGHT (CONT.)
Before Interior Check (Cont.)
(2) Check the top and bottom latches
engage the door supports and locking
devises removed.
(3) Check through doorplate inspection
holes (upper and lower) that the door
latches are centered in the latch plate
detents.
c. Fire Extinguisher — Check seal, security,
date, and properly tagged.
d. Seat belts and shoulder harness — Check
condition.
7. Fuel sample — Check before first flight of the
day.
8. AVA equipment installed if tracking is required.
9. Accelerometers installed if rotor blade vibration
check is required.
10. Tiedowns, locking devises, covers, and ground
cables — Removed and secured.
11. BATT
switch
—
ON.
Check
MASTER
CAUTION/ADVISORY LIGHTS for proper
indication (no chip detectors). CAUTION
LIGHTS — TEST for illumination of all
caution/advisory light segments.
12. APU start (Fire guard posted):
a. APU
start
accumulators
—
Check
precharged according to chart in Section V.
b. APU — Check condition and servicing.
c. EMERGENCY APU FLUID SHUTOFF
VALVE — Check OPEN.
d. Electronic Sensing Unit — Condition and
security.
