What was found
APU DUCT PRESSURE LOW DURING ENGINE START. APU SWITCH PLACARDED IN FD APUC HAS AN INTERNAL FAULT. REPLACED APU CONTROLLER. ACCOMPLISHED IGV CHECK, NO FAULTS NOTED.
- Difficulty date
- July 2, 2011
- Submitted
- July 28, 2011
- Operation
- Air carrier
- Aircraft
- N660UA
- Make and model
- Boeing 767322
- Aircraft serial
- 27115
- Aircraft time
- 78,862 hours, 12,681 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Controller
- Part number
- 211734220
- Part serial
- 21
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- TX
- 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.