What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, THE S-DUCT AT RIB NR 1 STAINLESS STEEL REPAIR HAS WORKING FASTENERS, 45 EACH. DURING REMOVAL OF FASTENERS AND REPAIR FOUND CRACK HAD EXCEEDED LENGTH OF REPAIR. REMOVED SECTION WITH CRACK. FORMED AND FABRICATED THREE STRAPS AND WELDED INTO 'Z' CONFIGURATION IAW BAC-5975. FABRICATED SS REPAIR AND INSTALLED ALL PARTS IAW B727 SRM 54-10-3 FIG 4. (M)