# SDR U2RA202211060052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2022
- Submitted: November 7, 2022
- Operation: Air carrier
- Aircraft: [N663CA](https://openairdocs.org/aircraft/N663CA), registered now
- Make and model: Boeing 747
- Aircraft serial: 35237
- Aircraft time: 54,956 hours, 10,313 cycles
- Engine: Ge CF680C2B5F
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 100194
- Condition: Inoperative
- Location: Zone 200
- 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/U2RA202211060052

## Discrepancy

EXIT LIGHT ABOVE COCKPIT DOOR AND UPPER DECK CENTER AISLE AFT ARE INOPERATIVE - REPLACED BATTERY PACK PER AIRCRAFT MAINTENANCE MANUAL 33-51-04.  OPS NORMAL.

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