# SDR AALA20190506002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2019
- Submitted: May 8, 2019
- Operation: Air carrier
- Aircraft: [N842NN](https://openairdocs.org/aircraft/N842NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31099
- Aircraft time: 28,664 hours, 11,491 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: PAC5026
- Part serial: 107224
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20190506002

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING FAILED TIMING TEST. REPLACED BATTERY PACK AND PERFORMED SATISFACTORY OPERATIONAL CHECK.

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