As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED FUEL FLOW TRANSDUCER INSTALLED UNDER STC NR 809GL. UNIT PROVIDING ERRONEOUS FUEL FLOW READINGS AND CAUSING THE AIR DATA COMPUTER (ADC) ALSO INSTALLED IN THE AIRCRAFT TO FUNCTION IMPROPERLY. AIR DATA COMPUTER INSTALLED UNDER EFS-SV SYSTEM IAW STC NR SA02203AK.