# SDR CALA2026070717582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N69826](https://openairdocs.org/aircraft/N69826), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42180
- Aircraft time: 36,627 hours, 13,522 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire Harness
- Part number: BR963260
- Condition: Shorted
- 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/CALA2026070717582

## Discrepancy

DURING CABIN CHECK,  FOUND EMERGENCY LIGHTS INOPERATIVE IN FIRST CLASS CABIN.  R & R BATTERY PACKS IN FWD CABIN REF FIM  33-50 TASK 801, NO FIX, EMERGENCY LIGHTS IN FIRST CLASS CABIN DO NOT ILLUMINATE. THE FWD LEFT BATTERY CHARGER (M1675}  WAS R & R, NO FIX,  PUSH TEST BUTTON ON BATTERY CHARGERS M1676 AND M2503 THEY ILLUMINATE IN THEIR ZONES AS COMMANDED,  REMOVED BATTERY CONTROLLER M2816 FUSE SET 2, FOUND OPEN.  R & R  M2618 BATTERY PACKS & CHARGER IN FWD CABIN IAW FIM  33-50 TASK 801, NO FIX.  R & R C/B C250 FWD EMERGENCY LIGHTS T/S, NO HELP.   T/S FOUND SEAT 4B IN ARMREST FOOD TRAY LINERS DISINTEGRATED AND BROKEN OFF CAUSING TRAY TABLE TO SEVER & SHORT OUT THE WIRES IN WIRE HARNESS FOR EMERGENCY LIGHTS AT THE BOTTOM OF THE FOOD TRAY CAVITY.  ALL EMERGENCY LIGHTS WORK WITH SEAT 4B HARNESS DISCONNECTED. ALL EMERGENCY LIGHTS OPS CHECK GOOD.

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