What was found
NR 4 STACK HAD 89.9 HOURS SINCE NEWLY INSTALLED, CRACKED AT FLANGE NEXT TO WELD AT OUTBOARD STUD APPROXIMATELY 1 INCH LONG.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 STACK HAD 89.9 HOURS SINCE NEWLY INSTALLED, CRACKED AT FLANGE NEXT TO WELD AT OUTBOARD STUD APPROXIMATELY 1 INCH LONG.