# SDR AALA202205275779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2022
- Submitted: May 27, 2022
- Operation: Air carrier
- Aircraft: [N197UW](https://openairdocs.org/aircraft/N197UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 3928
- Aircraft time: 40,406 hours, 15,778 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 144555
- Condition: Failed
- Part time: 40,405 hours, 15,778 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202205275779

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT AT 15WL FAILED BITE TEST PER TASK CARD 26L00005005. REPLACED EMERGENCY POWER SUPPLY UNIT AT 15WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.

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