# SDR DALA1220930171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2012
- Submitted: April 9, 2012
- Operation: Air carrier
- Aircraft: [N171DN](https://openairdocs.org/aircraft/N171DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24759
- Aircraft time: 101,508 hours, 14,876 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA1220930171

## Discrepancy

DURING DRC FOUND 49F SEAT EMERGENCY LIGHT INOPERATIVE.  DURING TROUBLESHOOTING, RT AFT EMERGENCY LIGHT ZONE INOPERATIVE.  REPLACED EMERGENCY BATTERY POWER SUPPLY PER AMM 33-51 LOC AT SIDE WALL 50F.

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