SDR 96ZZZX2028

Service difficulty report · Cylinder · Cessna TU206G

Difficulty date
March 26, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N9438M
Make and model
Cessna TU206G
Aircraft serial
U20604546
Engine
Cont TSIO520M
Part
Cylinder
Condition
Misinstalled
Location
Engine
Stage of operation
IN
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

WHEN TRYING TO REMOVE CYLINDERS FOR A TOP OVERHAUL, FOUND TORQUES VERY HIGH TO ALMOST FINGER TIGHT ON CYLINDER STUDS AND THROUGH-BOLTS. THIS ENGINE HAS TORQUE PASTE STILL IN PLACE - ONE-HALF INCH DRIVE AIR WRENCH DID NOTHING - HAD TO CHISEL TWO NUTS OFF SO FAR - TWO CYLINDERS TO GO. SUBMITTER SUGGESTS QUALITY CONTROL SEVERELY LACKING ON THIS FACTORY REMANUFACTURED ENGINE. ENGINE WAS INSTALLED JUNE '89. NO PRIOR PROBLEMS. BROKE CYLINDER WRENCH ON NR 2 CYLINDER.

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