# SDR HALA2009080400348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2009
- Submitted: August 5, 2009
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 11468
- Aircraft time: 24,505 hours, 4,717 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Shutdown
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009080400348

## Discrepancy

ETOPS SIGNIFICANT SYS - ON PWR TRANSITION FROM EXTERNAL PWR TO APU PWR, APU SHUTDOWN.  RESTARTED AND EICAS MESSAGE SIGNAL FMC L OPERATION.  CYCLED R FMC PWR GND OPS CHK OK.  PERFORMED BITE CHECK ON APU IAW FIM 49-11-00, FIG 103 NO FAULT NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
