# SDR MYWA20121113003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2012
- Submitted: November 13, 2012
- Operation: Air carrier
- Aircraft: [N752MA](https://openairdocs.org/aircraft/N752MA), registered now
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 28198
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- 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/MYWA20121113003

## Discrepancy

MAINTENANCE NOTED:  ON P/T (PREFLIGHT TRANSIT INSPECTION) FOUND L1 DOOR EMERGENCY LIGHTS OUT AND LEFT FORWARD AISLE LIGHT OUT.  RESOLVED AS: "TROUBLESHOT L1 DOOR EMERGENCY LIGHT IN ACCORDANCE WITH WIRING DIAGRAM MANUAL 33-51-12.  FOUND BATTERY PACK AT FAULT AND REPLACED BATTERY PACK AT STATION 315 M1675 PER AMM 33-51-51.  OPS CHECK NORMAL.

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