TM 55-1520-240-PM
PHASE NO. _____
Area Name and No.
Aircraft Serial No.
Date
FORWARD ROTOR, CROWN, AND
TUNNEL, AREA #7
Inspect
Phase
No’s
Inspection Requirements
Status
Faults and/or Remarks
Action Taken
Initial
ALL/C
7.27 Inspect forward transmission oil
cooler impeller installation. Refer to
TM 55-1520-240-23.
ALL/C
7.28 Remove and inspect forward
transmission synch shaft adapter.
ALL/C
7.29 Forward transmission cooling
fan (inlet duct removed) for cracks,
nicks, and damage or corrosion of
impeller, diffuser, or housing. Impeller
for evidence of tip rub.
ALL/C
7.30 Remove and inspect forward
transmission main and aux oil filters
and debris detection screens.
ALL
7.31 Forward transmission cooler
air inlet (behind STA 120.00) for
cleanliness and foreign objects. Entire
compartment for debris.
"FOD REMINDER"
Check work area for tools and parts after completion of maintenance and inspection.
2-50
