# SDR DALA2025070705015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2025
- Submitted: July 7, 2025
- Operation: Air carrier
- Aircraft: [N593NW](https://openairdocs.org/aircraft/N593NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32993
- Aircraft time: 75,088 hours, 24,762 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/DALA2025070705015

## Discrepancy

SHIP 5813 DURING SVC CK. FOUND AISLE SEAT MOUNTED EMERGENCY LIGHT FROM ROWS 41-45 INOP & EXTERIOR EMERG SLIDE LIGHT OUTSIDE DOOR 4L INOP. CORRECTIVE ACTION: R/R BATTERY PACK PER B757 AMM 33-51. R/R POWER SUPPLY PER B757 AMM 33-51 . FOUND FUSE ON POWER SUPPLY M736 BLOWN. T/S PER B757 WDM 33-51-22 & WDM 33-51-15. FOUND WIRES DAMAGED UNDER SEAT 42E SEAT TRACK & CAUSED EMERG LIGHT POWER SUPPLY FUSE TO BLOWN. REPAIRED WIRES & ASSEMBLY OF A SPLICE PER BOEING SWPM 20-10-13. RELAMPED EXTERIOR EMERG SLIDE DOOR LIGHT AT 4L. REPLACED EMERG BATTERY POWER SUPPLY M736 PER B757 AMM 33- 51-07. RECONNECTED AISLE EMERG LIGHTS FROM ROW 41-45 PER B757 AMM 33-51-05. PERFORMED A/C EMERGENCY LIGHTS TEST IAW B757 AMM 33-51-00. ALL EMERG LIGHTS TEST & OPS OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.