# SDR CALA2023120403538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2023
- Submitted: December 4, 2023
- Operation: Air carrier
- Aircraft: [N38467](https://openairdocs.org/aircraft/N38467), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 33537
- Aircraft time: 34,619 hours, 12,397 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Part number: BR963512024
- Condition: Short
- Location: Insullation Dama
- Stage of operation: UK
- 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/CALA2023120403538

## Discrepancy

ROW 27 THRY 39 SEAT FLOOR EMERGENCY LIGHTS INOP FIVE SEATS , NO CHANGE. SLAVED IN KNOWN GOOD PWR SPLY. NO HELP. AMM 33-52-06-960-806 PARTS USED:  99-3351-3-0015,QTY :1 99-3351-3-0009,QTY :1 CYCLED BREAKER. ROWS 32 AND AFT OPS NORMAL. ROWS 27 THRU 31 STILL INOP. PWR SUPLY M2626 IN CEILING FOUND #2 FUSE OPEN. RPLACD FUSE NO HELP. INSTALLED NEW BATTERY. NO HELP. SLAVED IN KNOWN GOOD BATTERY.  NO HELP. UNPLUGED EACH LED LIGHT IN THE INSPECTED CONNECTOR D14034 PIN 12 SHORT  TO GROUND, DISCONNECT RECONNECTED CONNECTORS REPLACED POWER SUPPLY&BATTERY CONNECTOR D13090 FOUND PIN 2 SHORT TO GROUND, LOCATED PRECAUTIONARY REF. FIM 33-50TASK801. WDM 33-51-22-6. W3148-0272-20 INSULATION DAMAGE SHORT TO GROUND O/B SEAT TRACK AT SEAT ROW 32 ABC REPAIRED INSULATION REF. SWPM 20-10-26.

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