What was found
PILOT REPORTED LOUD NOISE FROM ENGINE, SIGNIFICANT POWER LOSS, AND LOUD VIBRATIONS. PILOT LANDED AT A NEARBY AIRPORT WHERE MANTIENCE DISCOVERED A LARGE CRACK IN CYLINDER #2(HEAD SEPERATING FROM THE BARREL).
- Difficulty date
- June 15, 2026
- Submitted
- June 16, 2026
- Operation
- General aviation
- Aircraft
- N5251Z
- Make and model
- Cessna 172S
- Aircraft serial
- 172S10902
- Aircraft time
- 11,017 hours
- Engine
- Lyc IO360L2A
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- SL36006W
- Part serial
- 66W000015320
- Condition
- Cracked
- Location
- Engine
- Part time
- 2,598 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.