Service difficulty report · Control Valve · Cessna 680A

Difficulty date
August 22, 2023
Submitted
August 23, 2023
Operation
Air carrier
Aircraft
N524QS
Make and model
Cessna 680A
Aircraft serial
680A0062
Aircraft time
6,606 hours, 4,375 cycles
Part
Control Valve
Part number
9914652239865
Part serial
1177
Condition
Defective
Location
Mlg Brake
Stage of operation
LD
How discovered
C
Nature of condition
O
Precautionary procedure
O

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

What was found

UPON LANDING, THERE IS A SIGNIFICANT LT PULL WITH EQUAL APPLICATION OF BRAKE PEDALS. IT IS BOTH FELT & A SQUEAL HEARD THROUGHOUT THE APPLICATION. BRAKES APPEAR EVENLY WORN. GAINED ACCESS TO JUNCTION OF AFT BRAKE CONTROL CABLES & LOWER BRAKE CONTROL CABLES. VERIFIED RIGGING MEASUREMENTS OF CONTROL CABLE LINK BLOCKS & FORWARD CABIN BRAKE CONTROL BRACKET TO BLOCKS. RIGGING SATIS. PERFORMED GVI OF BRAKE CABLES FWD CABIN BRAKE CONTROL BRACKET. NO DEFECTS NOTED. WORKED IAW 32-42-00 THROUGH SECTION 2, STEP C-2. R & R LT ANTI SKID VALVE IAW MM 32-46-10. REMOVED DUE TO INTERNAL FAILURE. INSTALLED OVERHAULED CONTROL VALVE. ALL POST MAINT CHECKS SATIS. OPS TEST SATIS. TAXI CHECK SATIS IAW AMM 32-46-10.

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