# SDR ASAA2016112318818

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2016
- Submitted: November 28, 2016
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 5,662 hours, 1,856 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: 767
- Condition: Inoperative
- Location: Exterior
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016112318818

## Discrepancy

FWD OVERWING EMERGENCY EXIT EXTERIOR LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED RT FWD OVERWING EXIT LIGHT BULB REF AMM 33-51-04.

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