# SDR AALA202111109342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2021
- Submitted: November 10, 2021
- Operation: Air carrier
- Aircraft: [N878NN](https://openairdocs.org/aircraft/N878NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 40768
- Aircraft time: 30,152 hours, 12,435 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulty
- Location: Zone 200 - Fuse
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111109342

## Discrepancy

AIRCRAFT WAS GROUNDED: INTERIOR EMERGENCY EXIT LIGHT ABOVE OVERWING EMERGENCY EXIT DOOR AT SEAT 17A IS ILLUMINATED DURING FLIGHT. REPLACED BATTERY PACK PER AMM 33-51-06.

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