Service difficulty report · Check Valve · Cessna 560CESSNA

Difficulty date
December 7, 2006
Submitted
December 13, 2006
Operation
Air carrier
Aircraft
N399QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600510
Aircraft time
6,809 hours, 5,600 cycles
Engine
Pwa JT15D5
System (JASC)
3242 · Brake
Part
Check Valve
Part number
CV02259
Condition
Bypassing
Location
Brake System
Part time
6,809 hours, 5,600 cycles
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

POWER BRAKES INOP BOTH SIDES ON LANDING ROLLOUT. NO POWER BRAKE LOW PRESS LIGHT TILL EMERG BRAKES USED. NO FLUID PUDDLE OR LEAKS, RESERVOIR IS FULL, POWER BRAKE PUMP RUNS ON POST FLIGHT, SUSPECT CK VLV STUCK OR FAILED. REPLACED BRAKE RESERVIOR AIR CHECK VLV IAW MM 32-42-04. BLEED BRAKES SYSTEM IAW MM 32-42-00. BRAKE RESERVIOR SERVICED TO FULL. EMERGENCY BRAKE AIR BOTTLE SERVICING CKS GOOD. A/C TAXIED AND BRAKE SYSTEM TESTED. BRAKES CHECK GOD. NO LEAKS PRESENT.