What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, BS 870 MAIN CABIN INT, AT STRINGER 3L, WAS FOUND CRACKED IN THE CHANNEL AT TIE IN (X-RAY VERIFIED). REMOVED CRACKED STRINGER. FABRICATED NEW SECTION AND INSTALLED IAW B727 SRM 53-10-3. (M)