What was found
APU AUTO SHUT DOWN. ECU FAULTS GEN FILTERS, REPLACED BOTH FILTERS & REPLACED ECU, NO HELP. DELTAP NOT POPPED & CHIP DETECTOR CLEAN, APU SHUT DOWN AFTER 6 MINUTES WITH NO LOAD APPLIED, REINSTALLED ORIGINAL ECU.
- Difficulty date
- November 15, 2013
- Submitted
- November 19, 2013
- Operation
- Air carrier
- Aircraft
- N543UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25698
- Aircraft time
- 83,945 hours, 24,276 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Shutdown
- Location
- Apu Bay
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.