I too have talked to Justin at the FAA, this was in July 12.
He has not seen the AMOC yet but he did state it has to be submitted first to the
Regional operations office.
We talked in detail about the failures of the 3 crankshafts. And yes as of today there are only 3 all in Cessna 172S all in 2 different training schools. Not one since 2017 well before we knew anything about this(coating problem)
He reiterated that although ADís like this are not required for experimental aircraft it would be advisable to do. Which I do agree when there is an answer and we are not shouldering the cost. If there is no answer I too will be biting the bullet and buy a new crankshaft.
I said it is ironic that there has been no failures in a Superior Engine.
I asked him why if ECI did the finish work on these
Crankshafts what is not Continental involved in this also since they bought the assets of ECI.
He stated that Continental was very careful and did not take any of the Liability that ECI has acquired. They only bought the assets of the company. The rest was dissolved. (Basically, short answer)
I will seek out Bill Ross at Oshkosh. He is doing a couple seminars there.
Smilin' Jack & Anita Hunt
N507H RV7, KJZP Jasper, GA
Retired Corporate Pilot CFI-AI, MEL
CE500, LRJT, HS25, C650, SBJT, CL60
Hunt Aviation, LLC.
Pilot Service, IPC's Biennials.