What was found
CAT III AUTOLAND NOT SUCCESSFUL. AIRCRAFT DID NOT MAINTAIN CENTER LINE AND WAS APPROXIMATELY 50' LEFT OF THE CENTER LINE MARKINGS. NO WARNINGS OR LOCALIZER BEAM DISCREPENCIES WERE OBSERVED. GROUNDED - YES. (RESOLVED ON W/O: 1973326 TASKCARD: N/R-00001 ) PERFORMED ALL BITE LIBRARY TESTS REF AMM 22-11-00-740-806 ALL TESTS PASSED. NO HISTORY LAST 120 DAYS THIS TASK CLEARS MEL 22-20B AND 22-99B SEAMC DARWIN NOTIFIED PLACARDS REMOVED.