Service difficulty report · Crankshaft · Cessna 172N

Difficulty date
July 31, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Cessna 172N
Engine
Lyc O320H2AD
Propeller
Mcauly 1C160DTM
Part
Crankshaft
Part number
LW15944
Condition
Corroded
Location
Engine
Part time
3,248 hours
Stage of operation
IN
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

(CAN) AN ON-WING F.P.I. COMPLETED ON THE CRANKSHAFT BY A SUITABLY RATED AMO FOUND NO CRACKING. THE INNER DIAMETER WAS CLEANED OF CORROSION PER LYCOMING MSB 505B. THE INNER DIAMETER WAS MEASURED WITHIN LIMITS. THE INNER DIAMETER WAS STAMPED PER THE LYCOMING MSB 530.

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