Service difficulty report · Trunnion · Casa C212200

Difficulty date
January 14, 2011
Submitted
February 23, 2011
Operation
Air carrier
Aircraft
N112BH
Make and model
Casa C212200
Aircraft serial
292
Aircraft time
13,035 hours
Engine
Garrtt TPE33110R
Part
Trunnion
Part number
212421051
Part serial
NONE
Condition
Misinstalled
Location
Mlg
Part time
13,035 hours
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

DURING INSPECTION IT WAS FOUND THAT THE UPPER SUPPORT TRUNNION HOLDING THE TOP OF THE NOSE GEAR STRUT WAS HITTING THE MOUNT ON THE FUSELAGE. IT LOOKED AS THOUGH THE TRUNNION WAS INSTALLED UPSIDE DOWN DUE TO THE COLLAR HITTING THE EDGE OF THE FUSEALGE MOUNT, AND THE INSTALLATION OF THE BUSHING INSERTS IN THE UPPER SUPPORT TRUNNION AND THE BUSHINGS IN THE MOUNT ON THE FUSELAGE. AFTER REVIEWING THE MAINTENANCE MANUAL AND IPC IT WAS INSTALLED PER THE MANUFACTURES INSTRUCTIONS. IT WAS DISCOVERED THAT THE MM AND IPC WERE IN ERROR IN THE ENGLISH TRANSLATION. THE TRUNNION WAS FLIPPED OVER SO THE BUSHING FLANGES WERE FACE TO FACE GIVING CLEARANCE AND THE AREA TREATED AND TOUCHED UP TO PREVENT CORROSION.