# SDR DALA2026042902699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N351NB](https://openairdocs.org/aircraft/N351NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1820
- Aircraft time: 54,211 hours, 28,467 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Zone 200
- 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/DALA2026042902699

## Discrepancy

DURING R1 DOOR SLIDE CHANGE, FAIL OPS TEST OF EPSU.   R & R EPSU (11WL) IAW AMM 33-51, OPS CHKD FAILED. OP CHECKS GOOD IAW AMM 33-51. (LP: 8892316). AIRCRAFT WAS GROUNDED

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