As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A NOTIFIED FLIGHT DECK OF BURNT RUBBER SMELL IN AFT GALLEY ON TAXI OUT. RETURNED TO GATE. MX CONFIRMED DIRTY SOCK SMELL. DEPLANED & SWITCHED A/C.C/W ODI PREVENTION STEPS. AMDS 0550-2002 WORK CARD STEPS COMPLETED. ALSO FOLLOWED ECS DECONTAMINATION W/SERVICEABLE APU STEPS PER AMDS WORK CARD 2100-2003. NO FINDINGS FOUND ON ANY CHECKS. REF A/C LOG 2972027 FOR CALL CAR STEPS COMPLETED. (LP# 9125886)