What was found
APU DID NOT START, TRIED 3 TIMES. 2 MORE ATTEMPTS. EGT 770, RPM 20. NO LRU'S FAULTED ON APU CONTROLLER. ACFT REROUTED NON-ETOPS TO BASE FOR FIX. REPLACED APU BATTERY AND APU BATTERY CHARGER IAW MM.
- Difficulty date
- January 24, 2011
- Submitted
- January 26, 2011
- Operation
- Air carrier
- Aircraft
- N552UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26641
- Aircraft time
- 72,601 hours, 20,910 cycles
- Engine
- Pwa PW2040
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Battery
- Part number
- 18550000
- Part serial
- 438
- 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.