# SDR CALA2026063017489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2026
- Submitted: July 1, 2026
- Operation: Air carrier
- Aircraft: [N37538](https://openairdocs.org/aircraft/N37538), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64467
- Aircraft time: 13,193 hours, 4,350 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: ADD71701100
- Condition: Faulted
- 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/CALA2026063017489

## Discrepancy

FLIGHT READINESS CHECK (REVISED BY EC0500-01360E) PROCEDURE - FIRST CLASS SEAT ROWS 1 THRU 5 SEAT PROXIMITY EMERGENCY LIGHTS ARE INOP. FOUND FWD CABIN CENTER (M02816] EMERGENCY LIGHT BATTERY PACK AND POWER SUPPLY INOP. REPLACED BATTERY AND POWER SUPPLY IAW AMM 33-51-06-960-803 AND AMM 33-51-06-960-802. ALL EMERGENCY LIGHTS OPS CHECKS GOOD.

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