Service difficulty report · Crankcase

Difficulty date
October 21, 2004
Submitted
December 3, 2004
Operation
General aviation
Engine
Lyc O540E4C5
Part
Crankcase
Condition
Cracked
Location
Engine
Stage of operation
IN
How discovered
9
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

POSSIBLE CRACK FOUND DURING 100 HR INSPECTION. ENGINE REMOVED AND SENT TO AEROTER ENGINES IN HALIFAX. ENGINE SHOP CONFIRMED CRACK BETWEEN NR 2 AND NR 4 CYLINDER ON BOTTOM SIDE. IT ALSO HAD EXCESSIVE FRETTING ON THE CENTER MAINS.