# SDR CALA2026063017444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N27213](https://openairdocs.org/aircraft/N27213), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28773
- Aircraft time: 84,553 hours, 31,309 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- 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/CALA2026063017444

## Discrepancy

DURING SERVICE CHECK FOUND LEFT FWD OVERWING EMERGENCY LIGHT INOPERATIVE.   FOUND FWD OVERWING LT EMERGENCY LIGHT POWER SUPPLY INOPERATIVE, REMOVED AND REPLACED POWER SUPPLY IAW AMM 33-51-06-960-806, OPS CHKD GOOD.

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