As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CHILLER C-51-AFT GALLEY POPPED AFTER 3+32. SUPPLEMENTAL DATA UPDATE RESET CB ON GROUND, CIRCUIT BREAKER POPPED AGAIN AFTER 1.5 HOURS. C51 CIRCUIT BREAKER PULLED AND LOCKED OUT. "TEST IS A TEST CHILLER" WE DID RPL THE RELAY & FOUND IT'S CONTACTS BURNT. BEFORE REPLACING CHILLER, REF SERV TIP 25-31-20-901,PLEASE RPL CB PCN 560-3858 & PERFORM ANOTHER OPS CK, REPLACED C-51 CB. OPS CHECKED NORMAL.