# SDR HALA2009111700534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2009
- Submitted: November 19, 2009
- Operation: Air carrier
- Aircraft: N590HA
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33467
- Aircraft time: 26,958 hours, 5,093 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284F
- Part serial: 1750
- Condition: Malfunctioned
- Location: Apu
- Part time: 392 hours, 73 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009111700534

## Discrepancy

ETOPS SIGNIFICANT SYS - APU GEN FAIL LIGHT ILLUMINATED.  REMOVED AND REPLACED GCU FOR APU IAW AMM 24-22-02.  OPS AND BIT CHECK GOOD.

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