What was found
DURING WALK AROUND CHECK, MX FOUND CRACK APPROX 1 INCH IN LENGTH, ON THE OUTER SLEEVE OF THE LONG FIXED CORE EXHAUST NOZZLE ON THE NR 4 ENGINE AT THE 8 O`CLOCK POSITION (REF FIG 1). (DISPOSITION WAS MADE TO REMOVE ANY BURRS AND WELD REPAIR THE CRACK USING EM 78-11-01, REPAIR 011 AND SPM 70-41-00, WELDING AND BRAZING PRACTICES, EXCLUDING THE POST WELD HEAT TREATMENT, ACCOMPLISH DVI OF REPAIR AREA EVERY "2A" AND PERFORM THE PERMANENT REPAIR AT THE NEXT "C" CHECK.)