# SDR CALA2023052901673

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2023
- Submitted: May 29, 2023
- Operation: Air carrier
- Aircraft: [N14735](https://openairdocs.org/aircraft/N14735), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28950
- Aircraft time: 74,654 hours, 25,545 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Failed
- Location: M1670
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023052901673

## Discrepancy

PASSENGER COMPARTMENT, EMERGENCY LIGHT CAPACITY CHECK FAILS ON BATTERY PACK M1670 (REF. AAR NR 99970422).

---
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.