# SDR DALA2026012600555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2026
- Submitted: January 26, 2026
- Operation: Air carrier
- Aircraft: [N539DN](https://openairdocs.org/aircraft/N539DN), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11479
- Aircraft time: 10,786 hours, 2,665 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire Harness
- Condition: Pinched
- 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/DALA2026012600555

## Discrepancy

WORKING ON SLIDE CHANGE ON OVERWING W/C 2562-4003 PERFORMING EPCU BITE ON MCDU FAULTED EPSU (13WL)/AFT LEFT.   FOUND EMER FLOOR PATH MARKING LIGHT AT ROW 31, 32. & 38 NOT LIT. FOUND WIRES UNDER SEAT TRACK PINCHED CAUSING SHORT TO GND AT ROW 31 & 32 AFTER PLUG 7260VC12 (JB 680484). REMOVED AND REPLACED MANUFACTURED WIRE HARNESS 7260VC12 PER A321 AWM 33-51-08. FOUND SEAT 38ABC EMERGENCY PATH LIGHT HARNESS DISCONNECTED AT IFE BOX. RECONNECTED AND PERFORMED OPS CHKS PER A321 AMM 33-51. (LP 7665531)

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