# SDR DALA2021070803794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2021
- Submitted: July 8, 2021
- Operation: Air carrier
- Aircraft: [N861NW](https://openairdocs.org/aircraft/N861NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0796
- Aircraft time: 59,871 hours, 7,507 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021070803794

## Discrepancy

SHIP 3361 DURING SVC DOOR 1R EPSU WOULD NOT TEST. CORRECTIVE ACTION: BITE SHOWS EPSU (12WL) DOOR 1 MSG. RESET CIDS 1 AND NEW BATTERY. NO HELP. R&R EPSU PER A330 AMM 33-51. BATT TEST OK.(7454045)

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