As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HANGAR MAINTENANCE IN MCN, THE FLOORBOARD SUPPORT BEAM, JUST INBOARD OF THE AIRSTAIR DOOR SILL, WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE WILL REMOVE AND REPLACE THE FLOORBOARD SUPPORT BEAM, INBOARD OF THE AIRSTAIR DOOR SILL. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)