# SDR AALA201702059004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2017
- Submitted: February 7, 2017
- Operation: Air carrier
- Aircraft: [N272AY](https://openairdocs.org/aircraft/N272AY), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 333
- Aircraft time: 75,761 hours, 11,141 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 004753
- Condition: Faulted
- Location: Cabin
- Part time: 26,284 hours, 3,682 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/AALA201702059004

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE. EMERGENCY POWER SUPPLY UNIT IN THE L2 POSITION FAULTING. REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38.

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