What was found
APU WILL NOT START. HANGS AT 40 PERCENT THEN SHUTS DOWN WITH FAULT LT 777 EGT. REPLACED APU BATTERY AND APU DOOR ACTUATOR IAW MM, OPS CHECKED GOOD.
- Difficulty date
- January 24, 2010
- Submitted
- January 25, 2010
- Operation
- Air carrier
- Aircraft
- N671UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30026
- Aircraft time
- 37,763 hours, 9,985 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Battery
- Part number
- 18550000
- Part serial
- 578
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.