# SDR UALA2011121406836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2011
- Submitted: January 13, 2012
- Operation: Air carrier
- Aircraft: N593UA
- Make and model: Boeing 757222
- Aircraft serial: 28144
- Aircraft time: 49,175 hours, 18,369 cycles
- Engine: Pwa PW2037
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Light
- Condition: Corroded
- Location: Indicator
- 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/UALA2011121406836

## Discrepancy

EXTERNAL POWER AC CONNECTED LIGHT ASSY CORRODED.  REPLACED LIGHT ASSY.

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