What was found
APU FAULT ON START. BITE APU BOX, 2 MSG LATCHED, NO FLAME LIGHT-OFF, CLEARED MSG AND TRY RESTART, NO JOY. GOT 30 PERCENT THEN APU FAULT STATUS MSG. EXCITER FAULTY.
- Difficulty date
- July 21, 2011
- Submitted
- August 17, 2011
- Operation
- Air carrier
- Aircraft
- N543UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25698
- Aircraft time
- 75,914 hours, 22,065 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 106170756
- Part serial
- 67
- Condition
- Faulty
- Location
- Apu Engine
- 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.