# SDR 2007UALA05139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2007
- Submitted: December 21, 2007
- Operation: Air carrier
- Aircraft: N526UA
- Make and model: Boeing 757222
- Aircraft serial: 24994
- Aircraft time: 56,549 hours, 20,683 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Sign
- Condition: Shorted
- Location: Lt Overwing
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA05139

## Discrepancy

L4 LEFT OVERWING AND R4 EXTERNAL EMERGENCY LIGHTS INOP.   FOUND SIGN AT L4 LEFT O/W DOOR SHORTED INTERNALLY.   REPLACED SIGN AT LEFT O/W DOOR, OPS TESTED NORMAL.

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