What was found
DURING C-1 CHECK, AGING AIRCRAFT INSPECTION IDENTIFIED EXTERNAL FUSELAGE SKIN REPAIR INSTALLED WITHOUT FAA APPROVED DATA. REPAIR IS LOCATED AT STA 294 AT STR 21R. REMOVED AND REPLACED REPAIR REF: SRM 53-30-3 WO NR 33554, SNRM NR N00420. REMOVED EXT REPAIR AT STA 294.5, STR 21R REF SRM 51-30-02. FOUND OLD REPAIR OUT OF LIMITS REF SRM 53-30-3 FIG 3. FABRICATED AND INSTALLED NEW REPAIR REF SRM 53-30-3, FIG 3 STA 294.5 STR 21R. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR.