Service difficulty report · Servo Valve · Amd 20F5

Difficulty date
July 21, 2009
Submitted
October 23, 2009
Operation
General aviation
Make and model
Amd 20F5
Aircraft time
10,575 hours
Engine
Garrtt TFE7315BR
Part
Servo Valve
Part number
A11124654
Condition
Leaking
Location
Nr 2 Brakes
Stage of operation
LD
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

(CAN) CAPTAIN`S NR 2 BRAKES FAILED ON LANDING, CO-PILOTS WORKED TO BRING ACFT TO A STOP. FOUND BRAKE RESERVOIR LEVEL LOW/EMPTY, LEAKING EXCITATION SERVO VALVE ON EMERGENCY PWR BRAKE VALVE. (1) HYDRAULIC LINE FOUND TUBE ASSY. PN MY20745-259 LEAKING/CRAKED. REPLACED BOTH THE POWER BRAKE VALVE AND TUBE, ACFT RETURNED TO SERVICE.