# SDR DALA2026021301037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2026
- Submitted: February 13, 2026
- Operation: Air carrier
- Aircraft: [N927DZ](https://openairdocs.org/aircraft/N927DZ), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 64888
- Aircraft time: 20,513 hours, 8,410 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026021301037

## Discrepancy

DURING SVC CHECK,  FOUND MULTIPLE ZONES OF EMERGENCY LIGHTS INOP.  R & R EMERGENCY BATTERY PACKS AT FWD GALLEY AND ECONOMY COMFORT PER AMM 33-51. OK FOR SVC.

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