# SDR DALA2024052105385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2024
- Submitted: May 21, 2024
- Operation: Air carrier
- Aircraft: [N406DX](https://openairdocs.org/aircraft/N406DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 1953
- Aircraft time: 15,533 hours, 1,836 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: UNKNOWN
- Condition: No Test
- Location: Emergency Lights
- 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/DALA2024052105385

## Discrepancy

SHIP 3406 EPSU 18WL FAILS BITE TEST. CORRECTIVE ACTION: R/R EPSU PER A330 AMM 33-55. OK FOR SERVICE. (5987600)

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