# SDR CALA2025112611480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2025
- Submitted: November 26, 2025
- Operation: Air carrier
- Aircraft: [N38479](https://openairdocs.org/aircraft/N38479), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 62817
- Aircraft time: 27,114 hours, 10,251 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/CALA2025112611480

## Discrepancy

FOUND EMERGENCY LIGHTS LOCATED AT RH OVERWING EXIT EXTERNAL FUSELAGE AND STOWBIN EMERGENCY LIGHT AT ROW 21DEF INOP.   REMOVED AND REPLACED POWER SUPPLY AT M1671, IAW AMM 33-51-06-960-806. TEST CHECKS GOOD.

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