As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN SIDE MCP COURSE SELECTOR KNOB TURNS, BUT WILL NOT ALLOW NEW COURSE SELECTION. UNABLE TO DUPLICATE, RAN COURSE SELECTOR 360 DEGREES BOTH CW AND CCW SEVERAL TIMES. NO HISTORY LAST 30 DAYS. PERFORMED INSTALLATION TEST REF MM 22-11-34-740-801, DFGS BITE TEST GROUPS NR 32 AND 49, NO DEFECTS NOTED. ALSO PERFORMED HGS BITE SENSOR TEST REF SMM 34-36-00, NO DEFECTS NOTED. ACFT REMAINS AUTOLAND AND HGS CAT III QUALIFIED.