# SDR CALA2026072117928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N69824](https://openairdocs.org/aircraft/N69824), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42179
- Aircraft time: 38,979 hours, 14,352 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Damaged
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026072117928

## Discrepancy

EMERGENCY AISLE LIGHTING ROWS 28-34 INOP. FOUND POWER SUPPLY M2626 (AT STATION NUMBER 727+16) FUSE F2 BLOWN.  REPLACED FUSE.  FUSE BLEW AGAIN. REF WDM 33-51-22, PIN 12 (POWER OUTPUT) ON CONNECTOR SHORTED TO GROUND. FUSE F2 IS FED FROM PINS 11 & 12.  PIN 11 TESTS GOOD. DISCREPANCY FROM LOGPAGES 9680155, 9680145, 9680142, 9680130, 9680139, AND 9680125 HAVE BEEN TRANSFERRED TO THIS LOGPAGE 9682712. REPAIRED DAMAGED WIRE SEAT TRACK 32A, OPS CK NORMAL REF AMM 33-51-00, WDM 33-51-22 SDR

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