What was found
(CAN) OUR MAINTENANCE SCHEDULE APPROVAL FOR 172R CALLS FOR MAG OVERHAUL AT 700 HOURS +/- 10 HOURS. AT 657.9 HR MAGS WERE CHANGED FOR ROUGH ENGINE (2-3 SEC) SNAG. AT OVERHAUL MAG IMPULSE COUPLINGS FOUND CRACKED AT HUB.
- Difficulty date
- September 26, 2002
- Submitted
- October 28, 2002
- Operation
- General aviation
- Make and model
- Cessna 172R
- Aircraft time
- 736 hours
- Engine
- Lyc IO360L2A
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Impulse Coupling
- Part number
- M3163
- Condition
- Cracked
- Location
- Magneto
- Component
- Magneto · Slick · 4371
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.