SDR DXTA2011102004754

Service difficulty report · Master Cylinder · Cessna 560XL

Difficulty date: October 19, 2011
Submitted: October 20, 2011
Operation: Air carrier
Aircraft: N566QS
Make and model: Cessna 560XL
Aircraft serial: 5605825
Aircraft time: 2,438 hours, 1,860 cycles
System (JASC): 3243 · Master Cylinder/Brake Valve
Part: Master Cylinder
Condition: Reads Low
Location: Brakes
Stage of operation: LD
How discovered: O
Nature of condition: S
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BRAKES ARE VERY SOFT UPON LANDING. ANTI-SKID NEVER ENGAGED ON WET RUNWAY. UPON INSPECTION OF THE BRAKE PRESSURE CYLINDER, NOTICED IT READ LOW. AT 55 DEGREES, SHOULD HAVE BEEN 625-650 AND READ 425. TROUBLESHOT SYS, FOUND BRAKE ACCUMULATOR LOW. SERVICED BRAKE ACCUMULATOR, CHECKED OPERATION OF BRAKES AND ANTI-SKID SYS. OPS NORMAL IAW AMM 12-13-02.

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