# SDR DXTA2022022157050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2022
- Submitted: February 23, 2022
- Operation: Air carrier
- Aircraft: [N535QS](https://openairdocs.org/aircraft/N535QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0078
- Aircraft time: 4,954 hours, 3,279 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: CBS281
- Part serial: 3533M
- Condition: Defective
- Stage of operation: TX
- 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/DXTA2022022157050

## Discrepancy

RECEIVED THE EMERGENCY POWER SUPPLY PACKS. GAINED ACCESS AND REMOVED #1 EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 3533M DUE TO INTERNAL FAILURE. INSTALLED REPAIRED
EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 005693. GAINED ACCESS AND REMOVED #2 EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 005362 DUE TO INTERNAL FAILURE. INSTALLED
REPAIRED EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 006280. GAINED ACCESS AND REMOVED #3 EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 008393 DUE TO INTERNAL FAILURE.
INSTALLED REPAIRED EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 006281. GAINED ACCESS AND REMOVED #4 EMERGENCY POWER SUPPLY PACKS PN: CBS28-1 , SN: 005406 DUE TO INTERNAL
FAILURE. INSTALLED REPAIRED EMERGENCY POWER SUPPLY PACKS PN: CBS28-1, SN: 005602. PERFORMED EMERGENCY LIGHT OPS CHECK AND OPS CHECK WAS SATISFACTORY. CLOSED ACCESS AND
RETURNED THE AIRCRAFT TO ITS ORIGINAL CONFIGURATION. WORK WAS DONE IRW CE-680A AMM 33-50-06. 21 FEB2022.
PARTS:

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