What was found
RESTART FAULT AND DEGRADE LIGHTS ILLUMINATED. ENGINE RPM HAD TO BE REDUCED FROM 100 PERCENT TO CUT OFF IN MANUAL MODE (WOULD NOT RESPOND IN AUTO) DAILY OVERSPEED CHECK WOULD NOT WORK. (REMOVED FROM AIRCRAFT) INSTALLED SERVICEABLE HMU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RESTART FAULT AND DEGRADE LIGHTS ILLUMINATED. ENGINE RPM HAD TO BE REDUCED FROM 100 PERCENT TO CUT OFF IN MANUAL MODE (WOULD NOT RESPOND IN AUTO) DAILY OVERSPEED CHECK WOULD NOT WORK. (REMOVED FROM AIRCRAFT) INSTALLED SERVICEABLE HMU.