As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE TAILPIPE CRACKED JUST AFT OF FORWARD FLANGE AT 9 O''CLOCK POSITION. *S/D* THE CAUSE OF THE CRACKING IS STILL UNDER INVESTIGATION WITH THE MANUFACTURE OF THE TAILPIPE. THE CORRECTIVE ACTION WAS THE REPLACEMENT OF THE TAILPIPE.