What was found
ETOPS SIGNIFICANT SYS - APU FAILED TO START. APU FAULT EICAS MSG DISPLAYED AND APU FAULT DISCRETE ILLUM WHEN START SW SELECTED OFF. APU BITE FAULTS ECU. REPLACED APU ECU IAW AMM 49-61-05-404-008. APU CKS OK.
- Difficulty date
- August 28, 2009
- Submitted
- August 28, 2009
- Operation
- Air carrier
- Aircraft
- N584HA
- Make and model
- Boeing 7673G5
- Aircraft serial
- 24258
- Aircraft time
- 88,713 hours, 17,126 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 5A0125
- Condition
- Faulted
- Location
- Apu
- Part time
- 21,745 hours, 4,248 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.