As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK FA SMELLED ROTTEN EGGS. TAXI TO GATE TO TROUBLESHOOT. FOUND COFFEE MAKER NR 3 AS THE ISSUE. CB DID NOT POP AFTER PUSH W/ TWO ENGINE START. AFTER SHUTDOWN AND START R ENGINE AT GATE, CB POPPED AND COFFEE MAKER SMOKING, ROTTEN EGG SMELL CAME BACK. REPLACED COFFEEMAKER IAW AMM 25-31. (8599622) (AIRCRAFT GROUNDED)