What was found
PILOT EXPERIENCED A TOTAL ENGINE FAILURE. UPON INSPECTION IT WAS FOUND THAT THE RH MAGNETO WAS ASSEMBLED INCORRECTLY, CAUSING THE DISTRIBUTOR GEAR BRUSH TO ARC TO THE COIL TAB, RESULTING IN A FAILED MAGNETO.
- Difficulty date
- September 26, 2025
- Submitted
- February 15, 2026
- Operation
- General aviation
- Aircraft
- N89312
- Make and model
- Cessna 152
- Aircraft serial
- 15282710
- Aircraft time
- 23,897 hours
- Engine
- Lyc O235L2C
- Engine time
- 6,859 hours
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Magneto
- Part number
- 4381
- Part serial
- 25030612
- Condition
- Mismanufactured
- Location
- Engine
- Part time
- 103 hours
- Component
- Distributor Gea · Slick
- Component part number
- K3822
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- R, W
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.