What was found
APU WENT TO 52 PERCENT N1 AND GOT AN APU FAULT DESCENDING THROUGH 25,000 FT. FOUND APU GENERATOR HOUSING CRACKED 4-6" LONG CAUSING OIL LOSS AND SUBSEQUENT APU SHUTDOWN FOR LOW OIL QUANITY. REPLACED APU GENERATOR.
- Difficulty date
- February 15, 2007
- Submitted
- February 21, 2007
- Operation
- Air carrier
- Aircraft
- N505UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24626
- Aircraft time
- 57,757 hours, 20,224 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Malfunctioned
- Location
- Apu Bay
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.