As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE IT WAS NOTED THAT STR 27R HAS CORROSION AT BS 950A. CORROSION WAS DETERMINED TO BE OUT OF LIMITS. DAMAGE WAS REMOVED AND 2 NEW REPAIR ANGLES WERE FABRICATED FROM 7075-0 .063 INCH DIA 18 INCHES AND 1 3 3/8 INCH BY 3 7/8 INCH HEAT TREATED TO T6. INSTALLED REPAIR PARTS. NO OTHER DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.