# SDR DALA2025112408535

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2025
- Submitted: November 24, 2025
- Operation: Air carrier
- Aircraft: [N900PC](https://openairdocs.org/aircraft/N900PC), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 28446
- Aircraft time: 84,354 hours, 36,334 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Shuttle Valve
- Part number: 280511
- Part serial: 0908
- Condition: Leaking
- Location: Zone 100
- Part time: 68,142 hours, 27,458 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025112408535

## Discrepancy

FLT DIVERTED TO DEN DUE TO LT HYD SYS QTY DECREASED WITH TRANSFER TO RT HYD SYS DURING FLIGHT.  R & R RT A/S SHUTTLE VALVE AND MAIN LANDING GEAR SELECTOR VALVE.

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