What was found
APU SHUTS DOWN WHEN APU PNEUMATICS IS ATTEMPTED. HAS HISTORY, DEFERRED APU BLEED. FOUND BENT PIN ON OIL PRESSURE SWITCH, PIN STRAIGHTENED, STARTED ENGINE TWICE WITH NO PROBLEMS NOTED.
- Difficulty date
- August 11, 2011
- Submitted
- August 17, 2011
- Operation
- Air carrier
- Aircraft
- N673UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29241
- Aircraft time
- 41,949 hours, 10,998 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 4997 · APU System Wiring
- Part
- Pin
- Condition
- Bent
- Location
- Apu
- Stage of operation
- IN
- 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.