# SDR DXTA200702397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2007
- Submitted: August 29, 2007
- Operation: Air carrier
- Aircraft: [N912QS](https://openairdocs.org/aircraft/N912QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500012
- Aircraft time: 7,516 hours, 4,567 cycles
- Engine: Allsn AE3007C
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Part number: AS11604K0171
- Condition: Faulty
- Location: Nlg Steering Act
- Part time: 7,516 hours, 4,567 cycles
- Stage of operation: CL
- 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/DXTA200702397

## Discrepancy

UPON DEPARTURE, UPON GEAR RETRACTION, OBSERVED A LOUD SINGLE (THUD), FOLLOWED BY A HIGH PRESSURE (HISSING) SOUND, THEN A STRONG ODOR OF HYDRAULIC FLUID.  WITHIN 2-5 SECONDS, MASTER CAUTION ILLUMINATED ALONG WITH THE FOLLOWING CAS MESSAGES: AMBER - HYD PTU.  REMOVED FAULTY NLG STEERING ACTUATOR HOSES.  BLED HYD SYSTEM.  NG STEERING OPS CHECK GOOD.  WORK DONE I/A/W C750 MM 12-10-03.  LEAK CHECK GOOD.

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