- Difficulty date
- August 25, 2023
- Submitted
- August 25, 2023
- Operation
- General aviation
- Make and model
- Cessna 172M
- Aircraft serial
- 17266345
- Aircraft time
- 16,980 hours
- Engine
- Lyc O320D2J
- Engine time
- 2,089 hours
- Propeller
- Mcauly 1C160DTM
- Part
- Rocker
- Part number
- 15F288351017F193
- Part serial
- NA
- Condition
- Damaged
- Location
- Valve Train
- Part time
- 2,089 hours
- Component
- Engine · Lyc · O320D2J
- Component part number
- HENPLRT10603
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- P, O, O
- Precautionary procedure
- K, O, O, O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LYCOMING FACTORY REBUILT O-320-D2J, TSN / TT: 2089.1. DURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 6EA VALVE PUSH RODS P/N 15F28835-10, 6EA ROCKERS P/N 17F19357 & 1EA TAPPET SOCKET P/N 15B21319 TO HAVE MECHANICAL DAMAGE (HEAVY SCUFF-SCORING)