# SDR HALA2009120300561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2009
- Submitted: December 4, 2009
- Operation: Air carrier
- Aircraft: [N583HA](https://openairdocs.org/aircraft/N583HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 25531
- Aircraft time: 77,160 hours, 14,008 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009120300561

## Discrepancy

ETOPS SIGNIFICANT SYS - APU FAULT EICAS MSG.  AFTER LANDING.  PERFORMED APU ECU BITE PROCEDURE. ECU FAULTS REVERSE FLOW.  FAULT NOT ASSOCIATED WITH START.  FOUND APU COLD SOAKED.  APU START NORMAL ON FIRST ATTEMPT.  APU BITE C/W IAW FIM 49-11-00.

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