# SDR YENA2022091300893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2022
- Submitted: September 13, 2022
- Operation: Air carrier
- Aircraft: [N625JB](https://openairdocs.org/aircraft/N625JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02535
- Aircraft time: 64,613 hours, 23,025 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- 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/YENA2022091300893

## Discrepancy

DURING HEAVY MAINTENANCE: DON'T PASS OPERATIONAL TEST EPSU-EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN; REF AEROMAN WO 2022-284/1 NR 2022-443593. REMOVED AND REPLACED EPSU-EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN IAW AMM 33-51-38-000-001-A AND AMM 33-51-38-400-001-A. PERFORMED OPERATIONAL TEST. TEST IS OK IAW AMM 33-51-00-710-001-A. TOOL USED BONDING METER P/N: T477W S/N: 2484 DUE DATE: MAY/02/2023. DONE BY  M. CRUZ 8623112. CHECKED BY  L. TOBAR  8614412.

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