As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL SPEED TRIM FAIL AND MACH FAIL LIGHTS ILLUMINATED. ACFT GROUNDED. FOUND CIRCUIT BREAKER SYS A FCC DC 1 ON P18-1 OPEN. RESET PER AMM 20-60-01. PERFORMED MACH TRIM AND SPEED TRIM TEST PER AMM 22-11-00. ALL TESTS PASSED A/C OK FOR SERVICE.