# SDR DALA2026072304312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: July 24, 2026
- Operation: Air carrier
- Aircraft: [N864DN](https://openairdocs.org/aircraft/N864DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31974
- Aircraft time: 31,310 hours, 12,213 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Failed
- 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/DALA2026072304312

## Discrepancy

LAST SEAT ROW SECT EMER LIGHTS NOT ILLUMINATING, BATT LOCATION AFT GALLEY CEILING RT SIDE.   R & R FAILED PWR SUPPLY IAW AMM 33-51 CKS GOOD. (8178956) AIRCRAFT WAS GROUNDED.

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