As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"APU CONTROL" DISPLAYED ON LOWER EICAS. APU OPERATIONAL WITH MESSAGE 49-12990 AS A LATCHED MESSAGE. IAW FIM 49-20 & PERFORM TASK 813. PLEASE PERFORM AS SOON AS POSSIBLE. MAKE SURE TO CHECK MAG PLUGS PER NOTE: C.(5). OIL FILTERS PCN: 265-0415 TWO EACH WITH PACKING 750-2671. ALSO NEED TWO EACH REPAIR OR REPLACE AS NEEDED & INCLD.