As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION ON JUNE 26, 2008 IT WAS NOTED THAT THERE WAS A CRACK THAT WENT AROUND THE CIRCUMFERENCE OF THE NR 7 EXHAUST FLANGE. A NEW MANIFOLD ASSY WAS ORDERED AND INSTALLED. WHILE REMOVING THE CRACKED ONE, IT WAS DISCOVERED THAT THERE HAD BEEN COMPLETE SEPARATION. THIS EXHAUST MANIFOLD IS A PMA PART FOR THE ENGINES, AND WAS INSTALLED NEW AT OVERHAUL 1505 HOURS PRIOR. IT WAS NOTED THAT A NEW WELDING TECHNIQUE HS BEEN USED RECENTLY IN THE FLANGE AREA. (K)