Service difficulty report · Muffler · Cessna 172S

Difficulty date
May 7, 2015
Submitted
May 7, 2015
Operation
General aviation
Aircraft
N563ND
Make and model
Cessna 172S
Aircraft serial
172S10788
Aircraft time
5,290 hours
Engine
Lyc IO360L2A
Engine time
2,788 hours
Propeller
Mcauly 1A170E
Part
Muffler
Part number
A175400125
Part serial
38571
Condition
Failed
Location
Engine
Part time
115 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 ROUTINE INSPECTION NOTED THAT 2 SPOTWELDS ON THE SHROUD SUPPORT FLANGE OF THE MUFFLER CAN HAD FAILED RESULTING IN OPEN HOLES IN THE MUFFLER CAN. REPLACED MUFFLER WITH NEW UNIT.

More about the Cessna 172S