Service difficulty report · Pushrod · Cessna 172S

Difficulty date
October 20, 2016
Submitted
October 21, 2016
Operation
General aviation
Aircraft
N710LU
Make and model
Cessna 172S
Aircraft serial
172S11420
Aircraft time
1,031 hours
Engine
Lyc IO360L2A
Engine time
1,031 hours
Propeller
Mcauly 1A170E
Part
Pushrod
Part number
15F1995729
Condition
Worn
Location
Nr 2 Cylinder
Part time
1,031 hours
Component
Engine · Lyc · IO360L2A
Component part number
IO360L2A
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 SECOND INSPECTION IAW NR SA-167, THE FOLLOWING ABNORMALITIES WERE DISCOVERED. CYLINDER NR 2 INTAKE PUSHROD (ROCKER ARM END) AND ROCKER ARM WERE ABNORMALLY WORN (THE PUSHROD AND ROCKER ARM WERE REPLACED AND ONLY MADE IT TO 64.7 HOURS BEFORE REQUIRING REPLACEMENT), CYLINDER NR 3 EXHAUST PUSHROD (ROCKER ARM END) AND ROCKER ARM WERE ABNORMALLY WORN. ENGINE TOTAL TIME SINCE NEW: 1030.8 HOURS, TIME SINCE INITIAL INSPECTION IAW SERVICE ADVISORY NR SA-167: 64.7 HOURS.

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