# SDR CALA2021071601116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2021
- Submitted: July 16, 2021
- Operation: Air carrier
- Aircraft: [N17122](https://openairdocs.org/aircraft/N17122), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27564
- Aircraft time: 87,624 hours, 21,287 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: NA
- Condition: Inoperative
- Location: Seat 21
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021071601116

## Discrepancy

EMERGENCY LIGHT BATTERY PACK ROW DEF INOP REPLACED EMERGENCY LIGHT BATTERYPACK AT DEF 21 AS PER AMM 33-51-07-902-001. OPS CHECKS GOOD

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
