# SDR ZZDA2009410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2009
- Submitted: December 28, 2009
- Operation: Air carrier
- Aircraft: N349AT
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 36725
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 43314
- Condition: Discharged
- Location: Emergency Lights
- 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/ZZDA2009410

## Discrepancy

THE R-1 DOOR EMERGENCY EXIT SIGN WILL NOT ILLUMINATE DURING TEST ON SERVICE CHECK.  REMOVED & REPLACED EMERGENCY LIGHT POWER SUPPLY & BATTERY AT M1675 POSITION IAW AMM 33-51.  OPS CHECK GOOD.

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