Service difficulty report · Bolt · Beech C90A

Difficulty date
August 24, 2006
Submitted
September 7, 2006
Operation
General aviation
Aircraft
N405DD
Make and model
Beech C90A
Aircraft serial
LF1748
Engine
Pwa PT6A21
Part
Bolt
Part number
139909B47
Condition
Overtorqued
Location
Rudder Sys
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING 1ST SCHEDULED PHASE 1 AND PHASE 2 INSPECTION INVESTIGATED PILOT COMPLAINT OF STIFF NOSEWHEEL STEERING. VERIFIED COMPLAINT, FOUND NOSEWHEEL STEERING STIFF AND LOUD POPPING NOISES COMING FROM COCKPIT UNDER FLOOR AREA WHEN TAXIED FROM COPILOTS POSITION. ACCESSED COCKPIT AREA RUDDER CONTROL SYSTEM AND FOUND PILOTS SIDE OB RUDDER CONTROL PUSHROD TO HAVE EXCESSIVE PLAY. UPON REMOVING OB PUSHROD ASSY. BEARINGS FELL OUT OF ROD END BEARING ASSY. FURTHER INVESTIGATION SHOWED PN 50-5244553 LT SIDE RUDDER BELLCRANK ASSY OPERATION TIGHT, FOUND PN 139909B47 PIVOT BOLT OVERTIGHTENED. ALSO FOUND LT TO RT RUDDER CONTROLS INTERCONNECT TUBE ATTACHING HARDWARE OVERTIGHTENED. (K)

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