# SDR DALA2021022601115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2021
- Submitted: February 26, 2021
- Operation: Air carrier
- Aircraft: [N856NW](https://openairdocs.org/aircraft/N856NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0631
- Aircraft time: 67,168 hours, 8,447 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Wire Harness
- Condition: Intermittent
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021022601115

## Discrepancy

SHIP 3356 EPSU FAILED. EXTERIOR LIGHT FAULT. CORRECTIVE ACTION: FOUND INTERMITTENT OPEN ON WIRE. FOUND WIRES DAMAGED INSIDE DOOR WIRE HARNESS ASSY. REPLACED WIRES. TESTED L4 EPSU. REINSTALLED SLIDE ASSY. (7025234)

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