Service difficulty report · Torque Knee · Beech C90A

Difficulty date
October 15, 2004
Submitted
March 3, 2005
Operation
General aviation
Make and model
Beech C90A
Aircraft time
6,171 hours
Engine
Pwa PT6A21
Part
Torque Knee
Part number
508100352
Condition
Cracked
Location
Rt Mlg
Part time
21,804 cycles
Stage of operation
IN
How discovered
9
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

(CAN) DURING A 8000 CYCLE TORQUE KNEE NDT INSPECTION IT WAS DETECTED THAT THE RT LOWER TORQUE KNEE ATTACH PIN, PN 50-810035-2 WAS CRACKED IN NUMBER OF PLACES. THE TORQUE KNEE IS POST S/B 32-3116 - IMPROVED STEEL. PRESENTLY THE PIN IS PLACED IN QUARANTINE. THERE IS A FLEET WIDE INSPECTION IN PROGRESS.

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