# SDR AALA202507115451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2025
- Submitted: July 11, 2025
- Operation: Air carrier
- Aircraft: [N400AN](https://openairdocs.org/aircraft/N400AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 8647
- Aircraft time: 21,314 hours, 5,901 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire Harness
- Condition: Disconnected
- 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/AALA202507115451

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY PATHWAY LIGHTING INOPERATIVE AT SEAT ROW 23. MAINTENANCE RE-ROUTED AND CONNECTED WIRING HARNESS OF THE EMERGENCY ESCAPE-PATH MARKING-SYSTEM FROM ROW'S 21 TO 23 PER AMM 33-51-04. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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