What was found
DURING ANNUAL INSP, OIL WAS FOUND AT FRONT OF ENGINE. FURTHER INVESTIGATION REVEALED A CRACK OF THE CRANKSHAFT AT THE PROP MOUNTING FLANGE. CAUSE HAS NOT BEEN DETERMINED. (K)
- Difficulty date
- May 1, 2009
- Submitted
- June 3, 2009
- Operation
- General aviation
- Aircraft
- N786MS
- Make and model
- Piper PA34220T
- Aircraft serial
- 3449114
- Engine
- Cont TSIO360RB
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankshaft
- Part number
- 653136
- Part serial
- N06FA404
- Condition
- Cracked
- Location
- Prop Flange
- 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.