# SDR DALA2026073104445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2026
- Submitted: August 1, 2026
- Operation: Air carrier
- Aircraft: [N393DA](https://openairdocs.org/aircraft/N393DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30377
- Aircraft time: 81,396 hours, 32,885 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026073104445

## Discrepancy

ON L/O, FOUND EMERGENCY LIGHTS INOPERATIVE ON LAST 10 SEATS.  T/S IAW WDM 33-51, FOUND BATTERY PACK M1672 FAILED TEST. REPLACED THE BATTERY PACK IAW AMM, OPS TESTED GOOD. (8440591) AIRCRAFT WAS GROUNDED.

---
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.