What was found
(AUS) ENGINE CRANKCASE CRACKED IN THE LH FORWARD SECTION - CRACK LENGTH APPROXIMATELY 32MM (1.25IN) - CRANKCASE HAD BEEN WELD REPAIRED IN THIS AREA AT LAST OVERHAUL - SUSPECT INCORRECT HEAT TREATMENT FOLLOWING WELD REPAIR
- Difficulty date
- June 18, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Cessna 172P
- Engine
- Lyc O320D2J
- Propeller
- Mcauly 1C160DTM
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankcase
- Part number
- LW18402
- Condition
- Cracked
- Location
- R Engine Power S
- 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.