# SDR YENA2021040200203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2021
- Submitted: April 2, 2021
- Operation: Air carrier
- Aircraft: [N592JB](https://openairdocs.org/aircraft/N592JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02259
- Aircraft time: 63,792 hours, 22,753 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Part serial: 5578
- Condition: Failed Insp
- Location: 11wl
- Part time: 67,526 hours, 24,282 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021040200203

## Discrepancy

DURING HMV, FAULT EPSU EMERGENCY POWER SUPPLY UNIT (11WL) THE RED LED FAULT ON EPSU ; REF AEROMAN WO 2021-41/1, NR 2021-107769, REMOVED AND REPLACED EPSU 11WL IAW AMM 33-51-38-000-001-A, OPERATIONAL CHECK OK PER AMM 33-51-00-710-001-A

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