PHASE NO. _____
Area Name and No.
Aircraft Serial No.
NO. 1 ENGINE AREA #4
Faults and/or Remarks
4.12 No. 1 engine accessory gearbox
chip detector for contamination.
Remove inspect, and clean. On
helicopters (Without 74 ), refer to
TM 55-2840-254-23. On helicopters
(With 74 ), refer to TM 1-2840-265-23.
Access 55, 58, 60
4.13 Compressor housing and visible
portions of air diffuser for damage and
security. Access 55, 58, 60
4.14 Compressor bleed band and
retainer spacers for wear. Actuator for
damage and security. Access 55, 58,
4.15 Combustion chamber housing and
fire shields for cracks, hot spots, burned
areas, and buckling. Access 55, 58, 60
4.16 Thermocouple bus bars for
damage and security. Access 55,
4.17 Fire detection system sensing
elements throughout the area for
chafing, damage, and security.
Check work area for tools and parts after completion of maintenance and inspection.