# SDR P4YA2012103100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2012
- Submitted: November 2, 2012
- Operation: Air carrier
- Aircraft: N956BW
- Make and model: Frchld SA227DC
- Aircraft serial: DC864B
- Aircraft time: 16,650 hours, 20,549 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Condition: Failed
- Location: Lt Generator
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P4YA2012103100001

## Discrepancy

LEFT GENERATOR  FAILED ANNUNCIATOR ILLUMINATED.  SWAPPED GENERATOR CONTROL UNITS FOR TROUBLESHOOTING, GROUND RUNS CHECKED GOOD.

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