# SDR USAA2012022400023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2012
- Submitted: February 24, 2012
- Operation: Air carrier
- Aircraft: N453UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24980
- Aircraft time: 56,625 hours, 37,425 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Sign
- Condition: Broken
- Location: Cabin
- Stage of operation: TX
- 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/USAA2012022400023

## Discrepancy

CREW REPORTED THE EXIT SIGN AT ROW 11 MISSING/BROKEN.  FLIGHT RETURNED TO THE GATE.  MAINTENANCE REMOVED AND REPLACED LIGHT ASSEMBLY EXIT SIGN AT ROW 11 LEFT PER B737 AMM 33-51-12-910-C1.

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