# SDR HALA2009120400567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2009
- Submitted: December 8, 2009
- Operation: Air carrier
- Aircraft: [N583HA](https://openairdocs.org/aircraft/N583HA), registered now
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Aircraft serial: 25531
- Aircraft time: 77,172 hours, 14,101 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Valve
- Part number: 32021303
- Part serial: 555C
- Condition: Unknown
- Location: Apu Starter
- Part time: 71,995 hours, 18,570 cycles
- 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/HALA2009120400567

## Discrepancy

SUP - ETOPS SIGNIFICANT SYSTEM - AFTER LANDING 2 ATTEMPTS AT APU START UNSUCCESSFUL."APU FAULT" EICAS.//PERFORMED BITE ON ECU FAULTED REVERSE FLOW. REMOVED AND REPLACED APU CHECK VALVE PER FIM 49-11-00/101 AND INSTALLED VALVE PER AMM 36-11-11-404-008. NO LEAKS NOTED DURING OPS CHK. A/C OK FOR SERVICE.

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