As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR AFTER TAKE-OFF FROM ENVIRONMENTAL SYSTEM. FOUND B-NUT ON FUEL SUPPLY LINE TO FLOW DIVIDER LOOSE ON NR 2 ENGINE. TIGHTENED B-NUT TO FLOW DIVIDER AND SAFTIED IAW MM 73-10-04 PERFORMED HIGH POWER RUNS, LEAK AND OPS CHECK GOOD OK FOR SERVICE.