# SDR AWKA2014042453424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2014
- Submitted: April 24, 2014
- Operation: Air carrier
- Aircraft: [N753XJ](https://openairdocs.org/aircraft/N753XJ), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500053
- Aircraft time: 6,242 hours, 3,573 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS16124A
- Condition: Leaking
- Location: Zone 300
- Component: Swivel Fitting, Eaton
- Component part number: AE86056E
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWKA2014042453424

## Discrepancy

WHILE EN ROUTE, THE FLIGHT CREW REPORTED THE B HYD SYS DROPPED TO 17 PERCENT.  THE CREW FOLLOWED THE CHECK LIST & SHUTDOWN & UNLOADED THE B HYD SYS.  THE A SYS CONTINUED TO FUNCTION NORMALLY.  IT WAS DISCOVERED THAT THE LT ELEVATOR PCU PRESS SWIVEL FITTING WAS LEAKING FROM THE O RING SEAL.  SEAL WAS R & R, LEAK CHECKED NORMAL.

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