Service difficulty report · Cylinder · Cessna 172S

Difficulty date
October 3, 2015
Submitted
September 19, 2016
Operation
General aviation
Aircraft
N703LU
Make and model
Cessna 172S
Aircraft serial
172S11387
Aircraft time
949 hours
Engine
Lyc IO360L2A
Engine time
949 hours
Part
Cylinder
Part number
05K21104
Condition
Leaking
Location
Nr 2
Part time
949 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 100 HOUR, ANNUAL INSPECTION, CYLINDER NR 2 FAILED DIFFERENTIAL CYLINDER LEAK CHECK. CYLINDER WAS LEAKING BY BOTH VALVES AND RINGS.

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