What was found
ETOPS SIGNIFICANT SYSTEM, APU FAULT HUNG 20 PERCENT. PERFORMED APU ECU BITE PER FIM 49-11-00 FIG 103. NO FAULTS NOTED. ACCOMP NORMAL START AT GATE. APU RUNS NORMALLY PER 49-11-00 IN THE AMM. OK FOR SERVICE.
- Difficulty date
- September 25, 2007
- Submitted
- September 26, 2007
- Operation
- Air carrier
- Aircraft
- N591HA
- Make and model
- Boeing 76733A
- Aircraft serial
- 33423
- Aircraft time
- 17,753 hours, 3,425 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Malfunctioned
- 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.