As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT # 1169 JFK-JFK. " AFTER ENG 1 START ODOR DETECTED IN AFT GALLEY AND ROW 16. DIRTY SOCK SMELL. SMELL PERSISTED ON APU AND ENG BLEED.; REF L/P 4498623 ITEM #2 APU PLACED ON MEL DUE TO ODOR EVENT FOLLOWED BY A LEVEL B DECONTAMINATION OF THE BLEED AIR SYS. REF L/P 4498624 ITEM #2."