# SDR AALA201904179006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2019
- Submitted: April 17, 2019
- Operation: Air carrier
- Aircraft: N270AY
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 315
- Aircraft time: 84,744 hours, 12,534 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 2159
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 84,744 hours, 12,534 cycles
- 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/AALA201904179006

## Discrepancy

AIRCRAFT IN BASE VISIT: MAINTENANCE FOUND EPSU 1L (11WL) BAD DURING OPS CHECK OF EMERGENCY LIGHTING MCDU. REMOVED AND REPLACED EMERGENCY POWER UNIT IAW AMM 33-51-38. OPS CHECKS NORMAL.

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