What was found
CAM GEAR WAS IMPROPERLY INSTALLED/SEATED DURING INITIAL MANUFACTURING WHICH CAUSED EXCESSIVE WEAR AND DAMAGE TO THE CAM GEAR DURING ROTATION AGAINST THE DISTRIBUTOR GEAR. THIS WAS THE FIRST 500HR INSPECTION SINCE MANUFACTURE.
- Difficulty date
- August 7, 2024
- Submitted
- September 9, 2024
- Operation
- General aviation
- Filed by
- 8HBR698C
Hillsboro Aero Academy LLC - Aircraft
- N90558
- Make and model
- Cessna 172P
- Aircraft serial
- 17274773
- Aircraft time
- 17,185 hours
- Engine
- Lyc O320D2J
- Engine time
- 490 hours
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Gear
- Part number
- M3827
- Condition
- Damaged
- Location
- Magneto
- Part time
- 490 hours
- Component
- Magneto · Slick
- Component part number
- 4371
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- P
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.