# SDR CALA2026060816917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2026
- Submitted: June 8, 2026
- Operation: Air carrier
- Aircraft: [N17438](https://openairdocs.org/aircraft/N17438), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67668
- Aircraft time: 897 hours, 338 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Ground Wire
- Condition: Disconnected
- 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/CALA2026060816917

## Discrepancy

EMERGENCY EXIT ROW ISLE SEAT LIGHTS NOT ILLUMNATING CHECKED FUSES ON POWER SUPPLY M1694, FUSES SHOWS GOOD CONTINUITY. REF WDM 33-51-21-4. ADDITIONALLY CHECKED FUSES ON FOLLOWING POWER SUPPLIES; M1695, M2503 & M1670. ALL FUSES OK. TRIED SLAVING IN WORKING POWER SUPPLY INTO M1694 NO HELP CHECKED FUSES ON POWER SUPPLY M1694, FUSES SHOWS GOOD CONTINUITY. REF WDM 33-51-21-4. ADDITIONALLY CHECKED FUSES ON FOLLOWING POWER SUPPLIES; M1695, M2503 & M1670. ALL FUSES OK. TRIED SLAVING IN WORKING POWER SUPPLY INTO M1694 NO HELP RESISTANCE CHECK PIN 5 AND 2 ON CONNECTOR D12828, SHOWS WIRE OPEN, FURTHER INSPECTION FOUND GROUND RETURN WIRE PIN IS DISCONNECTED UNDER CARPETS. RECONNECTED WIRE FOR EMERGENCY LIGHTS, OPS CHECK GOOD. REF: WDM 33-51-21-4. AMM TASK 33-51-00-710-801.

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