What was found
DURING A ROUTINE ANNUAL INSPECTION, AN ONGOING OIL LEAK WAS TRACED TO A CRACK IN THE RIGHT HALF OF THE CRANKCASE BETWEEN THE NR 5 CYLINDER AND THE ALTERNATOR MOUNTING BOSS. THE ENGINE WAS REPLACED.
- Difficulty date
- May 8, 2016
- Submitted
- July 8, 2016
- Operation
- Air carrier
- Aircraft
- N749KP
- Make and model
- Cessna U206G
- Aircraft serial
- 20605554
- Aircraft time
- 12,011 hours
- Engine
- Cont IO550N
- Engine time
- 1,045 hours
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankcase
- Part number
- 6566197
- Part serial
- UNKNOWN
- Condition
- Cracked
- Location
- Engine
- Part time
- 1,045 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.