# SDR CALA2017020300231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2017
- Submitted: February 3, 2017
- Operation: Air carrier
- Aircraft: [N12109](https://openairdocs.org/aircraft/N12109), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27299
- Aircraft time: 86,441 hours, 20,505 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 20121
- Condition: Faulty
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017020300231

## Discrepancy

ON 2 SERVICE INSPECTION,  FOUND 4 OVERWING DOOR EXIT IDENTIFIER EMERGENCY LIGHTS INOPERATIVE. IAW WDM 33-51-22, FOUND M10699 EMERGENCY LIGHTS POWER SUPPLY FAULTY. REPLACED IAW AMM 33-51-07, OPS NORMAL.

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