What was found
POSITION # 1 &2 CYLINDER EXHAUST PORT CRACK FROM THE INBOARD EXHAUST STUD EXTENDING TO THE BACK OF THE PORT. CRACK VISIBLE THROUGH THE FINS. SUPERIOR CYLINDERS PN: SL32006W-A1 SERIAL NUMBER 326W000003625 & 326W000003623.
- Difficulty date
- March 5, 2026
- Submitted
- March 6, 2026
- Operation
- General aviation
- Aircraft
- N70052
- Make and model
- Cessna 172M
- Engine
- Lyc O320*
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- SL32006WA1
- Part serial
- 326W000003625
- Condition
- Cracked
- 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.