SDR CA000720017

Service difficulty report · Cylinder · Cessna T207A

Difficulty date: July 7, 2000
Submitted: July 24, 2000
Operation: General aviation
Make and model: Cessna T207A
Aircraft time: 10,786 hours
Engine: Cont TSIO520M
Propeller: Mcauly D3A34C401
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Cylinder
Part number: 646657A2
Condition: Cracked
Location: Ex. Valve Nr 5
Stage of operation: IN
How discovered: V
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

(CAN) WHEN PERFORMING A CYLINDER DIFFERENTIAL COMPRESSION CHECK, FOUND CYLINDER NR 5 HAD A 60/80 COMPRESSION, AND AIR WAS LEAKING OUTSIDE CYLINDER. AFTER FURTHER INSPECTION, FOUND CRACK COULD BE SEEN JUST INBOARD OF THE EXHAUST PIPE FLANGE. CYLINDER WAS REMOVED FROM SERVICE. NEW OVERHAULED CYLINDER WAS INSTALLED.

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