As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOT A WILL NOT ENGAGE AUTOPILOT B ENGAGES BUT KICKS OFF AF TER STICKERS APPLIED NO GROUND TIME. DEFER REVIEWED FAULT HISTORY AND FOUND "AIL PRESS SW-1" FAULT, PERFORM ED LRU REPLACEMENT TEST "ROLL SENS" TEST, TEST PASSED. REF. FIM TASK 22-13 TASK 804. INTERMITTENT FAULT, PERFORMED LAND VERIFY T EST REF. AMM 22-11-00-700-801. TEST PASSED. AIRCRAFT UPGRADED TO FULL CAT CAPABILITY. PLACARDS REMOVED. OK TO CONTINUE.