# SDR AALA2018120430009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2018
- Submitted: December 4, 2018
- Operation: Air carrier
- Aircraft: [N822NN](https://openairdocs.org/aircraft/N822NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31085
- Aircraft time: 28,376 hours, 11,199 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: B21506
- Condition: Blown
- 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/AALA2018120430009

## Discrepancy

TWO INTERIOR OVERWING EXIT EMERGENCY LIGHTS WERE INOPERATIVE.  MAINTENANCE FOUND TWO BLOWN FUSES IN THE POWER SUPPLY M01695 AND ONE BLOWN FUSE IN POWER SUPPLY M01694. MAINTENANCE REPLACED THE FUSES  AND PERFORMED A SATISFACTORY OPERATIONAL CHECK.

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