# SDR DALA1018135656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2010
- Submitted: August 3, 2010
- Operation: Air carrier
- Aircraft: [N556NW](https://openairdocs.org/aircraft/N556NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 33392
- Aircraft time: 22,899 hours, 8,535 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- 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/DALA1018135656

## Discrepancy

DURING OVERNIGHT LINE CHECK FOUND EXTERIOR EMERGENCY LIGHT INOP AT DOOR 4L.  REPLACED LIGHT ASSEMBLY.

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