# SDR YENA2019061840329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2019
- Submitted: June 18, 2019
- Operation: Air carrier
- Aircraft: [N591JB](https://openairdocs.org/aircraft/N591JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2246
- Aircraft time: 59,687 hours, 21,163 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/YENA2019061840329

## Discrepancy

DURING HEAVY MAINTENANCE, EPSU-EMERGENCY POWER SUPPLY UNIT DONT PASS OPERATIONAL TEST.   REPLACED EPSU IAW AMM 33-51-38-400-001-A. PERFORMED OPERATIONAL TEST OF THE EPSU IAW AMM 33-51-00-710-001. TEST IS GOOD AT THIS TIME. SUPPLEMENTAL INFORMATION TO FOLLOW.

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