- Difficulty date
- November 9, 2023
- Submitted
- November 9, 2023
- Operation
- General aviation
- Make and model
- Cessna 172M
- Aircraft serial
- 17265899
- Aircraft time
- 10,729 hours
- Engine
- Lyc O320D2J
- Engine time
- 2,700 hours
- Propeller
- Mcauly 1C160DTM
- Part
- Pushrod
- Part number
- 15F199571017F193
- Part serial
- NA
- Condition
- Damaged
- Location
- Exhaust Valve
- Part time
- 148 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- R, E
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION FOR ROUGH RUNNING ENGINE, PERFORMED SB388C (EXHAUST VALVE GUIDE INSPECTION) & FOUND 3EA ROCKER ARMS P/N 17F19357 & 3EA PUSH RODS P/N 15F19957-10 WITH MECHANICAL DAMAGE (HEAVY SCUFF - SCORING). ROCKER ARMS & PUSH RODS TSN: 147.9. PREVIOUSLY REPLACED @ ACTT: 10580.9, ETT: 2551.8. SEE SDR #2023FA0000539, DATED: 9/14/2023.