# SDR U2RA2022121400057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2022
- Submitted: December 14, 2022
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 109,275 hours, 16,517 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 108070
- Condition: Inoperative
- Location: Zone 200
- Part time: 3,255 hours, 522 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA2022121400057

## Discrepancy

LEFT UPPER DECK EMERGENCY DOOR BATTERY OK TEST LIGHT IS INOP.  REMOVED AND REPLACED BATTERY PACK PER AIRCRAFT MAINTENANCE MANUAL 52-23-14.  OPS NORMAL

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