# SDR AALA202609165916

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2026
- Submitted: September 17, 2026
- Operation: Air carrier
- Aircraft: [N310RF](https://openairdocs.org/aircraft/N310RF), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 44451
- Aircraft time: 20,428 hours, 7,711 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/AALA202609165916

## Discrepancy

AIRCRAFT WAS NOT GROUNDED:  RIGHT FWD EXTERIOR OVERWING EMERGENCY LIGHT INOP. FOUND DURING "A" CHECK, EMERGENCY LIGHT TEST CARD # 09C20033003.  FOUND BATTERY PACK M1676 NOT SUPPLYING POWER TO LIGHT.  REMOVED AND REPLACED POWER SUPPLY ASSEMBLY M1676 PER AMM 33-51-06 AND WDM 33-51-12.

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