As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELEC BURNING ODOR IN CABIN ON DESCENT. HE ODOR DISAPPEARED WHEN THE UTILITY BUSSES WERE DISCONNECTED. THE AFT GALLEY RT CHILLER WAS MORE HOT THAN AFT LT CHILLER & THE AFT RT CHILLER CB KEPT POPPING OUT. R & R AFT GALLEY RT CHILLER IAW MM 25-33-02. OPS CHECKED NORMAL. THE ACFT WAS GROUNDED.