# SDR DALA2026072804386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2026
- Submitted: July 29, 2026
- Operation: Air carrier
- Aircraft: [N353NW](https://openairdocs.org/aircraft/N353NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 786
- Aircraft time: 82,383 hours, 39,256 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Cracked
- Location: Hyd Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026072804386

## Discrepancy

ON CLIMB OUT THROUGH HIGH 20'S GOT A HYD Y RSVR LO LVL ECAM. SYSTEM PAGE SHOWED Y HYD QUANTITY DECREASING.  FOUND O-RING / PACKING ON SOLENOID / PRIORITY VALVE CRACKED. CAUSING THE LEAK. R/R PACKING PER A320 AMM 20-29. PERFORMED YELLOW HYD SYS LEAK CHECK PER W/C 2900-2022. NO LEAKS NOTED. RAN BOTH ENG'S & MOVED FLT CONTROLS FOR SM. ALL LEAK CHECKS GOOD. A /C OK FOR SVC. (LP: 8799110, AICRAFT WAS GROUNDED)

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