Service difficulty report · Shaft · Bac 146200A

Difficulty date
April 27, 2004
Submitted
July 22, 2004
Operation
General aviation
Make and model
Bac 146200A
Engine
Lyc ALF502R5
Part
Shaft
Condition
Wrong Part
Location
Antiskid Sys
Stage of operation
LD
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

(AUS) NR 1 MAIN WHEEL TIRE DAMAGED AND DEFLATED. INVESTIGATION FOUND THAT THE TIRE DEFLATED DUE TO WHEEL LOCKUP ON LANDING ROLL. THE WHEEL LOCKUP WAS CAUSED BY A BENT ANTI-SKID TRANSDUCER DRIVESHAFT WHICH CAUSED THE ANTI-SKID SYSTEM ON THIS WHEEL POSITION TO BE NON-OPERATIVE. THE BENT TRANSDUCER SHAFT ALSO CAUSED DAMAGE TO SEVERAL OTHER COMPONENTS NAMELY THE BRAKE COOLING FAN MOTOR, FAN DUCT, AND DEBRIS SCREEN COVER. THE BENT ANTI-SKID DRIVE SHAFT APPEARS TO BE CAUSED BY INCORRECT FIT OF SHAFT INTO DEBRIS SCREEN SPLINED DRIVE BEARING AT LAST WHEEL INSTALLATION. PERSONNEL/MAINTENANCE ERROR.