As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, PILOT FELT ENGINE RUNNING ROUGH. ACFT RETURNED TO FIELD. MX DISCOVERED NR 2 CYLINDER UPPER DECK NOZZLE TUBE CRACKED. POSSIBLE WEAK WELD OF OUTSIDE TUBE. RECOMMENDED CLOSER ATTENTION TO LEANING ON LINES WHEN WASHING ON ENGINE AND INSPECTING AREA`S AFTER MX. (K)