What was found
DURING APU RELIABLITY COLD SOAK START TEST, APU FAILED TO START ON 3 ATTEMPTS. MAXIMUM EGT 1015, FL400. APU WAS REPLACED ON LOG 8652429. COLD SOAK VERIFICATION TEST WAS GOOD. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS
- Difficulty date
- December 23, 2011
- Submitted
- January 17, 2012
- Operation
- Air carrier
- Aircraft
- N861NW
- Make and model
- Airbus A330223
- Aircraft serial
- 796
- Aircraft time
- 6,991 hours, 952 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38004546
- Part serial
- 00750
- Condition
- Malfunctioned
- Location
- Apu Bay
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.