As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLYING WITH SB 70-048-57, A CRACK WAS FOUND IN THE LOWER WEB OF THE RIGHT FLAP INBOARD CARRIAGE, ONE INCH FROM THE AFT ROLLER STUD. CRACK WAS BEYOND ALLOWABLE STOP DRILL LIMITS IAW THIS SB. PART WAS CHANGED WITH NEW PART NUMBER WHICH HAS BEEN MODIFIED WITH THICKER WEBS. SUBMITTER SUGGESTS OPERATORS WHO HAVE NOT C/W THIS SB SHOULD DO SO BEFORE FURTHER FLIGHTS.