If you want to talk to the Los Angeles FSDO about your engine stories instead of making a written report, see below:
Dear Sir,
Thank you for providing this information to us.
I have forwarded your message to the Principal Maintenance Inspector Mr. Jeffrey Plants.
If you wish you can contact the office for follow up at 1(310) 215-2150 and speak to him directly.
Thanks & Regards,
Chris R. Short
Aviation Safety Technician
Federal Aviation Administration
Flight Standards Division
Los Angeles Flight Standards District Office
2250 E. Imperial Highway, Suite 240
El Segundo, California 90245