What was found
LOW RPM AUDIO COMES ON INTERMITTENTLY AT IDLE AFTER MUTE BUTTON HAS BEEN DEPRESSED. AUDIO AND LIGHT FLICKER AT 100 PERCENT N2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOW RPM AUDIO COMES ON INTERMITTENTLY AT IDLE AFTER MUTE BUTTON HAS BEEN DEPRESSED. AUDIO AND LIGHT FLICKER AT 100 PERCENT N2.