SDR CM2R747K

Service difficulty report · Bellcrank · Cessna 340A

Difficulty date
May 1, 2007
Submitted
May 2, 2007
Operation
General aviation
Aircraft
N397R
Make and model
Cessna 340A
Aircraft serial
0009
Aircraft time
6,383 hours
Engine
Allsn 250C28B
Part
Bellcrank
Part number
53608014
Condition
Broken
Location
Elevator
Part time
6,383 hours
Stage of operation
TX
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

BEARING AND BOLT FAILED IN THE ELEVATOR BELLCRANK P/N 5360801-4. CENTER BEARING THAT SUPPORTS THIS BELLCRANK FAILED. BEARING IS P/N MS27640-4. BOLT P/N AN4-14 WAS SEVERELY WORN AND BROKEN IN TWO. IF EITHER END OF THE BOLT SLIPPED OUT OF THIS BELLCRANK, THE A/C WOULD HAVE LOST PRIMARY ELEVATOR CONTROL. THE ELEVATOR TRIM SYSTEM WOULD STILL FUNCTION.

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