# SDR DXTA200701969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2007
- Submitted: March 1, 2007
- Operation: Air carrier
- Aircraft: [N639QS](https://openairdocs.org/aircraft/N639QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605139
- Aircraft time: 5,988 hours, 4,736 cycles
- Engine: Pwa PW535A
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 982813
- Part serial: 0699456
- Condition: Bypassing
- Location: Brake Sys
- Part time: 5,988 hours, 4,736 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200701969

## Discrepancy

CAPTAINS LT BRAKE IS VERY SPONGY BUT WILL CATCH AFTER ALMOST FULL DEPRESSION.  REMOVED AND REPLACED PILOT'S LT AND RT BRAKE MASTER CYLINDERS AND BLED SYSTEM IAW MM 32-42, OPS AND LEAK CHECK GOOD.  PERFORMED TAXI CHECK, NO DEFECTS FOUND.

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