# SDR USAA2012032900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2012
- Submitted: March 29, 2012
- Operation: Air carrier
- Aircraft: [N441US](https://openairdocs.org/aircraft/N441US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24812
- Aircraft time: 57,419 hours, 39,657 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Seal
- Condition: Deteriorated
- Location: Emergency Light
- 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/USAA2012032900001

## Discrepancy

C5 CHECK - EMERGENCY LIGHTING AFT OF THE RIGHT WING TRAILING EDGE, WING TO BODY FAIRING IS INOP.  FOUND MOISTURE DETERIORATED SEAL & BAD LIGHT BULB.  CLEANED OUT MOISTURE IN AREA, REPLACED LIGHT BULB & GASKET & SEALED OUTER LIGHT ASSEMBLY.  OPS CHECK GOOD.

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