# SDR DALA2026042202571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N816DN](https://openairdocs.org/aircraft/N816DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31927
- Aircraft time: 39,458 hours, 15,258 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- 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/DALA2026042202571

## Discrepancy

DURING SVC CHK FOUND EMERGENCY LIGHTS AT LEFT SIDE EMERGENCY EXIT ROWS INOP. R/R BATTERY PACK M1694 PER B737 AMM 33-51. OPS CHK NML. (LOG 8410893 - 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.
