Service difficulty report · Manifold · Doug DC872F

Difficulty date
September 20, 2013
Submitted
September 23, 2013
Operation
Air carrier
Aircraft
N721CX
Make and model
Doug DC872F
Aircraft serial
46013
Aircraft time
96,079 hours, 23,903 cycles
Part
Manifold
Part number
56417345002
Part serial
12
Condition
Malfunctioned
Location
Aileron System
Part time
10,299 hours, 3,043 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

FLIGHT CONTROLS FELT ABNORMALLY STIFF AILERONS, DURING APPROACH. TROUBLESHOT AILERON SYS IAW MM 27-10-0. FOUND RT AILERON INBD HINGE BEARING FAILED. R & R BEARING IAW MM 27-10-0. FOUND RT AILERON POWER CYLINDER HOT TO THE TOUCH AFTER OPERATING AILERONS. R & R RT AILERON POWER CONTROL CYLINDER AND VALVE IAW MM 27-11-6. SYS OPS CHECKS GOOD. PERFORMED INSP AND OPS CHECK OF RT AILERON TORQUE TUBE AND OVERRIDE MECHANISM IAW MM 27-11-5. NO DEFECTS NOTED. PERFORMED INSP AND CHECK OF AILERON CONTROL CABLES AND PULLEYS IAW MM 27-10-0. NO DEFECTS NOTED.

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