As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER #2 ENG START (AT THE GATE) + R PACK SWITCH ON ... FA REPORTED BURNING RUBBER SMELL IN FWD GALLEY. PILOT ASSITED WITH RUNNING #2 ENG AND RT PACK. ENGINE AMM 71-00-04 SMELL PERSISTS. 18922 9/16/24. REMOVED AND REPLACED LT + RT COELESCER BAGS. OPS CK GOOD. LEAK CK GOOD. IAW AMM 21-54-08.