# SDR DALA2023013100786

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2023
- Submitted: January 31, 2023
- Operation: Air carrier
- Aircraft: [N408DX](https://openairdocs.org/aircraft/N408DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 1962
- Aircraft time: 9,473 hours, 1,132 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- 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/DALA2023013100786

## Discrepancy

SHIP 3408 WORKING ASPSU W/C, TEST FAULTS ASPSU (101MJ) DOOR 1 ON MCDU AND "OUTPUT" UN-LIT ON BOX. CORRECTIVE ACTION: REPLACED BATTERIES PER W/C, TESTED WITH NEW AND OLD BATTERIES, FAULT CONT. REMOVED AND REPLACED ASPSU (101MJ). (9918308)

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