Service difficulty report · Control Cable · Cessna 414A

Difficulty date
July 18, 2009
Submitted
September 16, 2009
Operation
Air carrier
Aircraft
N11BN
Make and model
Cessna 414A
Aircraft serial
0311
Aircraft time
10,960 hours, 21,066 cycles
Part
Control Cable
Part number
52000087CR
Condition
Worn
Location
Elevators
Part time
10,960 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING A 100HR INSPECTION FOUND ELEVATOR CONTROL CABLE APPROXIMATELY 50 PERCENT WORN THROUGH. THE SUBJECT WAS NEAR THE FLAP SYSTEM REDUCTION UNIT. THERE IS A PHENOLIC CHAFE AREA FOR THE ELEVATOR CABLE TO RIDE ON. THIS IS WHERE THE CABLE WAS WORN. THERE WAS NO DAMAGE TO PHENOLIC INDICATING EXTREME PRESSURES. CABLE TENSION WAS CORRECT AT TIME OF DISCOVERY. NO APPARENT REASON FOR IMMEDIATE FAILURE. SUSPECT THIS CABLE HAD NOT BEEN INSPECTED APPROPRIATELY, ZONE 151 TECH PUBS REV 34 PAGE 1-8 FIGURE 1-2.

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