# SDR U2RA2023082500041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2023
- Submitted: August 25, 2023
- Operation: Air carrier
- Aircraft: [N702CA](https://openairdocs.org/aircraft/N702CA), registered now
- Make and model: Boeing 747412F
- Aircraft serial: 27217
- Aircraft time: 87,633 hours, 13,597 cycles
- Engine: Pwa PW4056
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Battery
- Part number: 900835AB
- Part serial: 108114
- Condition: Inoperative
- Location: Zone 200
- Part time: 7,160 hours, 1,167 cycles
- Stage of operation: IN
- 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/U2RA2023082500041

## Discrepancy

UPPER DECK LEFT EMERGENCY EXIT DOOR ASSIST BOTTLE BATTERY WILL NOT TEST - REMOVED AND REPLACED BATTERY PER AIRCRAFT MAINTENANCE MANUAL 52-23-14.

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