Service difficulty report · Link · Cessna 550

Difficulty date
March 7, 2000
Submitted
May 2, 2000
Operation
Air carrier
Aircraft
N7ZU
Make and model
Cessna 550
Aircraft serial
5500433
Part
Link
Part number
C419175
Condition
Bent
Location
Control Column
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

PILOT REPORTED ELECTRICAL ELEVATOR TRIM WAS UNRESPONSIVE, ATTEMPTED TO HAND TRIM THE A/C AND FOUND MANUAL TRIM WHEEL FREE TO TURN WITH NO RESISTANCE. CREW FOUND ELEVATOR CONTROL HEAVY AND HARD TO MOVE. DIVET INTO MSP. INITIAL INVESTIGATION REVEALED TRIM CABLE LYING LOOSE IN THE BOTTOM OF THE AIRCRAFT. FURTHER INVESTIGATION REVEALED THE TRIM CABLE FORWARD ATTACH CHAIN MASTER LINK HAD BECOME DISCONNECTED AND WAS FOUND IN THE BELLY OF THE AIRCRAFT ALONG WITH ATTACHING HARDWARE AND THE TRIM CABLES. NO OTHER DISCREPANCIES WERE FOUND WITH THE SYSTEM. ON 2/1/99, A PHASE 5 INSPECTION HAD BEEN COMPLETED, BOTH FORWARD ELEVATOR TRIM CABLES WERE REPLACED AT THAT TIME, 225.4 HOURS PRIOR TO INCIDENT. UNKNOWN IF MASTER

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