# SDR DALA2022080805418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2022
- Submitted: August 8, 2022
- Operation: Air carrier
- Aircraft: [N805NW](https://openairdocs.org/aircraft/N805NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0552
- Aircraft time: 82,570 hours, 10,803 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- 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/DALA2022080805418

## Discrepancy

SHIP 3305 WHILE PERFORMING CID1 EPSU SYST TEST, FOUND FAULTS ESCAPE SLIDE LT SW DOOR 3, AND ESCAPE SLIDE DOOR 4L. CORRECTIVE ACTION: FOUND WIRING SWITCH NOT CORRECTLY ENGAGED, ENGAGED SWITCH ON DOOR 3RT AND TEST OK. REMOVED AND REPLACED EPSU. NO HELP, INSTALLED ORIGINAL EPSU. R&R 4L DOOR SLIDE, NO HELP. R&R LH DOOR PSU(17WL) AND BAT , NO HELP, FAIL "EXTERIOR LIGHT". FOUND WIRE 5021 AND 5023 AFTER PLUG 5171VC DAMAGED, REPAIRED BOTH WIRES. (9227581)

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