As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK ODOR ON POWER PUSH UP THRU CLIMBOUT. RAN QRC FOR SMOKE AND FUMES. AIR TURN BACK. NR 2 ENGINE APPROVED FOR REMOVAL, DUE TO HPC NR 3 BEARING TEFLON AIR SEAL FAILURE. NR 2 ENGINE REMOVED & INSTALLED IAW WORK CARD 7100000-02-03. AMM 21-00-21-2-0. AFTER ENG CHANGE, PERFORMED AIR CONDITIONING SYS OIL SMOKE/FUME CONTAMINATION. REMOVAL IAW ABOVE REFS, NO SMOKE OR FUMES FOUND DURING TESTS. OK FOR SERVICE.