# SDR 3NXA5250001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2022
- Submitted: March 22, 2022
- Operation: Air carrier
- Aircraft: [N525KY](https://openairdocs.org/aircraft/N525KY), registered now
- Make and model: Cessna 525A
- Registry model: [Cessna 525A](https://openairdocs.org/model/cessna-525a) (OpenAirDocs)
- Aircraft serial: 525A0369
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: CBS281
- Part serial: 3808M
- Condition: Failed
- Part time: 2,106 cycles
- 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/3NXA5250001

## Discrepancy

DURING DOC 10 FOUND L/H EMERGENCY EXIT LIGHTING BATTERY PACK DRAINED AND WILL NOT TAKE A CHARGE. R&R P/N CBS28-1 WITH A REPAIRED UNIT. OPS CHECK GOOD. WORK PERFORMED IAW CE525A AMM REV19 CH. 33-50-00

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