As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED, ACFT PITCH WILL NOT STABLE WHILE HAND FLYING, UNCOMMANDED INCREASE IN PITCH UP. MX PERFORMED BITE TEST OF THE EFCS IAW AMM 27-96-00-740-001 WITH NO DEFECTS NOTED. PERFORMED OPS TEST OF THE AFS IAW AMM 22-96-00-710-001 WITH NO DEFECTS NOTED. PERFORMED OPS TEST OF THE TRIMMABLE HORIZ STAB IAW AMM 27-44-00-710-003 WITH NO DEFECTS NOTED. OK TO CONTINUE SERVICE. NOTE: NO PARTS/SYS FOUND DEFICTIVE. REPORT DEFECTIVE. REPORT SUBMITTED AS PRECAUTION PER ACI.