# SDR CALA2025040103390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2025
- Submitted: April 2, 2025
- Operation: Air carrier
- Aircraft: [N77865](https://openairdocs.org/aircraft/N77865), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32589
- Aircraft time: 70,968 hours, 21,059 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025040103390

## Discrepancy

(SUPPORT TASK) EMERGENCY PACK AT LOCATION M11486 THAT FAILED OPS CHECK AND WAS REEMOVED AND REPLACED ON LOG PAGE 9286036,   BATTERY PACK WAS REMOVED AND REPLACED IAW B757 AMM 33-51-07 ON LOGPAGE 9286036.

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