# SDR CALA2025080807493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2025
- Submitted: August 8, 2025
- Operation: Air carrier
- Aircraft: [N77530](https://openairdocs.org/aircraft/N77530), registered now
- Make and model: Boeing 737824
- Aircraft serial: 39998
- Aircraft time: 44,432 hours, 16,111 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire Harness
- Part number: BR9635120
- 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/CALA2025080807493

## Discrepancy

REMOVE ALL EEPL WIRING FROM CABIN AND EVALUATE CONDITION, CONFORMITY AND SECURITY. SUPPORT TASK NSA EMX N/R 00022.   DURING EEPL WIRING EVALUATION, FOUND EEPL SECTION FOR SEAT ROWS 23ABC TO 26ABC DAMAGED REQUIRING REPLACEMENT.  REMOVED AND REPLACED DAMAGED EEPL SECTION IAW  SWPM 20-90-14 AND DWG40N01655 SH-01 REV. -EVALUATED A LL EEPL HARNESSES AND SWD'S FOR SEATS 1AB TO 38ABC AND NO DEFECT S NOTED, EEPL HARNESSES' CONFIGURATIONS CONFORM WITH NAT DWG 40N 01655 SH_01 REV. -. OK TO RE-INSTALL ALL EEPL HARNESSES IN THE RACEWAYS AND AT THE SIDEWALL DISCONNECTS THROUGHOUT THE CABIN. INSTALLED EEPL HARNESSES AND SWD'S FOR SEATS 1AB TO 38ABC IAW NAT DWG 40N01655 SH_01 REV.-. EMERGENCY LIGHTS OPERATIONAL TEST CHECKS GOOD IAW B737-800 AMM 33-51-00,

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