What was found
DURING 'C' CHECK, MAINTENANCE FOUND CENTER WING BOX UPPER SKIN RBL 24.5 - RBL 45 HAS 5 AREAS OF CORROSION. INSTALLED REPAIR IAW DHC SK 915-577, ENG FILE NR 72 7-57-1071, EO B727-5710-6584A AND DHC SK 915-586.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 'C' CHECK, MAINTENANCE FOUND CENTER WING BOX UPPER SKIN RBL 24.5 - RBL 45 HAS 5 AREAS OF CORROSION. INSTALLED REPAIR IAW DHC SK 915-577, ENG FILE NR 72 7-57-1071, EO B727-5710-6584A AND DHC SK 915-586.