As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FIRST DIGIT ON THE GLARE SHIELD HEADING SELECTOR "FLUTTERS" (CONTINUALLY BLINKS VERY FAST) NO OTHER DIGITS ON GLARE SHIELD SELECTORS "FLUTTER". REPLACED MCP REF MM 22 11 34 OPS CHECK NORMAL. ACCOMPLISHED ALL MCP LWMP CHECKS REF LWMP CHECKLIST MM 22 00 01, NO FAULTS. A/C REMAINS CATIIIA AUTOLAND & HGS.