Service difficulty report · Valve · Cessna 525B

Difficulty date
April 4, 2021
Submitted
April 7, 2021
Operation
Air carrier
Aircraft
N730JS
Make and model
Cessna 525B
Aircraft serial
525B0270
Aircraft time
5,776 hours, 4,619 cycles
Part
Valve
Part number
53071
Part serial
1426C
Condition
Leaking
Location
Rudder Bias
Part time
5,776 hours, 4,619 cycles
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

ON TAKE-OFF RUDDER FULL DEFLECTION AFTER TRIMMING, CONTINUED ACTUATING RUDDER INPUTS-NOT BY HUMAN INTERACTION. AFFECTED AILERON EFFICIENCY. REMOVED AND REPLACED RUDDER BIAS VALVE. OPS CK GOOD REF MM 27-20-01

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