What was found
WHILE ACFT IN HEAVY CHECK MAINT FOUND -MAJOR -AFT SERVICE DOOR LOWER BEAM HAS SURFACE CORROSION AROUND GIRT BAR FITTINGS, REMOVED AND REPLACED R2 DOOR LOWER THRESHOLD BEAM REF EMB SRM 51-40-08,RESTORED SURFACE PROTECTION REF. E175 SRM 51-10-04, 51-10-05, AND 51-10-06. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION