# SDR ASAA1058411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2010
- Submitted: October 29, 2010
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 10,335 hours, 3,228 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Condition: Malfunctioned
- Location: Apu
- 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/ASAA1058411

## Discrepancy

AFTER STARTING THE APU AND PLACED THE BUSSES ON THE APU THE APU SHREDDED THE BUSSES AND LEFT A FAULT LIGHT.  ACCOMPLISHED FIM TASK 49 90 00 810 809 PGS 1 2 STEP A THRU F1(H)1.  CDU DISPLAYS NO FAULTS.

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