# SDR DXTA2012060704993

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2012
- Submitted: June 8, 2012
- Operation: Air carrier
- Aircraft: [N930QS](https://openairdocs.org/aircraft/N930QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500130
- Aircraft time: 10,299 hours, 6,306 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Metering Valve
- Part number: 99144682
- Part serial: 147A
- Condition: Inoperative
- Part time: 10,299 hours, 6,306 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: S, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2012060704993

## Discrepancy

BRAKES REQUIRE FULL TRAVEL OF PEDALS TO STOP THE ACFT.  THE BRAKES FELT SOFT & SPONGY.  DID NOT GET A LOW BRAKE PRESSURE CAS WITH THE PARKING BRAKE SET.  FOUND BRAKE METERING VALVE LEAKING SKYDROL FROM INPUT ACTUATOR CYLINDERS. R & R THE BRAKE METERING VALVE WITH AN O/H UNIT IAW MM 32-42-03. SERVICED "A" SYS HYDRAULICS TO FULL. OPS AND LEAK CHECKS GOOD. TAXI CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.