As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CAPTURING THE LOCALIZER HTE A AUTOPILOT DISENGAGED AND WOULD NOT RE ENGAGE. GROUNDED YES. "A" AUTOPILOT LOGGED INVALID MMR/ILS DATA LAST FLT. PERFORMED LRU TEST FOR MMR/ILS REF MM 34 31 42 TEST PASSED & DFCS CURRENT STATUS TEST PASSED REF MM 22 11 00 & HGS OPS & SENSOR TEST PASSED REF MM 34 36 00 A/C REMAINS CATIIIA AUTOLAND & HGS QUAL.