What was found
AIRCRAFT PORPOISES WHILE IN ALTITUDE HOLD MODE. DISABLE ALTITUDE HOLD MODE. MAINTENANCE CONFIRMS DEFECTIVE UNIT BY MANUFACTURER. MANUFACTURER UNABLE TO SUPPLY REPLACEMENT PART.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT PORPOISES WHILE IN ALTITUDE HOLD MODE. DISABLE ALTITUDE HOLD MODE. MAINTENANCE CONFIRMS DEFECTIVE UNIT BY MANUFACTURER. MANUFACTURER UNABLE TO SUPPLY REPLACEMENT PART.