# SDR USAA2013040800020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2013
- Submitted: April 8, 2013
- Operation: Air carrier
- Aircraft: N440US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24811
- Aircraft time: 59,471 hours, 40,619 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Ballast
- Condition: Inoperative
- Location: Cabin
- 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/USAA2013040800020

## Discrepancy

MAINTENANCE REPORTED THE LIGHT ASSEMBLY BALLAST INOP (OVERWING EXIT).  MAINTENANCE REMOVED AND REPLACED LIGHT BALLAST PER AMM 33-51-11-002-004 AND 33-51-11-402-007.

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