Service difficulty report · Hub · Cessna 172M

Difficulty date
September 21, 2004
Submitted
March 3, 2005
Operation
General aviation
Make and model
Cessna 172M
Aircraft time
6,428 hours
Engine
Lyc O320E2D
Propeller
Mcauly 1C160DTM
Part
Hub
Part number
D30256
Condition
Cracked
Location
Propeller
Stage of operation
IN
How discovered
9
Nature of condition
P
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DISSASSEMBLY FOR CLEANING / CORROSION / REPAINT FOUND 3 CRACKS IN HUB WEB BY FLANGE BOLT THREADS IN CASTING. INSPECTION OF OTHER HUB FOUND SIMILAR DAMAGE.INSPECTION WITHOUT PART BEING VERY CLEAN WOULD MAKE IT VERY DIFFICULT TO SEE THESE CRACKS.

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