# SDR ASAA0957159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2009
- Submitted: December 22, 2009
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 11,979 hours, 3,740 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Unknown
- Condition: Malfunctioned
- Location: Electrical Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0957159

## Discrepancy

AFTER LANDING AND STARTING APU NR 2 ENGINE GENERATOR TRIPPED OFF & GEN OFF BUS LIGHT ILLUMINATED.  GENERATOR RESET ON FIRST ATTEMPT.  OPS CHECK OF APU GEN NR 1 AND NR 2 ENG GENERATORS GOOD.  BITE CHECK OF ELECTRICAL SYS SHOWS NO FAULT HISTORY ON P 5 OVERHEAD.  BITE CHECK OF GCU'S GOOD NO FAULTS.  ALL SYS OPS NORMAL.  REF MM 24 21 00 700 803.  GROUND FUNCTIONAL CHECK SUCCESSFUL NO PRIOR HISTORY.

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