SDR 2016F00121

Service difficulty report · Bearing · Casa C212CD

Difficulty date
May 10, 2016
Submitted
May 10, 2016
Operation
General aviation
Aircraft
N217B
Make and model
Casa C212CD
Aircraft serial
318
Aircraft time
17,434 hours, 28,800 cycles
Engine
Garrtt TPE33110R
Propeller
Rotol R333482F12
Part
Bearing
Part number
LN2960388
Condition
Migrated
Location
Aileron
Part time
17,434 hours, 28,800 cycles
Stage of operation
NR
How discovered
O
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

COPILOT AILERON CONTROL ROD FOUND DISCONNECTED FROM INTERCONNECT BELLCRANK, DUE TO BEARING MIGRATION FROM ROD END. INSTALLATION DID NOT HAVE LARGE DIAMETER WASHER INSTALLED, WHICH ACTS AS A FAIL-SAFE TO THIS OCCURRENCE. OPPOSITE SIDE WAS INSPECTED & SOME PLAY FOUND IN ROD END BEARING, & ALSO HAD NO LARGE DIAMETER WASHER INSTALLED. BOTH ROD ENDS WERE REPLACED WITH PROPER HARDWARE TO PREVENT RE-OCCURRENCE. SB 212-27-48M, DATED 1 30 1996, ADDRESSES THIS ISSUE. IT IS SUSPECTED THAT EITHER THE SB WAS NEVER ACCOMPLISHED OR THE ACCOMPLISHMENT WAS REVERSED DURING SUBSEQUENT MX. NO RECURRENT INSPECTION FOR CORRECT INSTALLATION IS INCLUDED IN THE MX & INSPECTION PROGRAM.