As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED THAT THEY HAD A VERY STRONG ACRID ODOR FOLLOWED BY A CIRCUIT BREAKER TRIPPING. SUSPECTED WAS A RELAY BOX CAPTAIN SIDE E8. FOUND BLISTERING AND DISCOLOURATION ON THE SURFACE OF RELAY 20WT1 (RELAY BOX CAPT PFD/ND XFER). FOUND X1 OF RELAY READING 8 OHMS TO RELAY CASE. REPLACED RELAY AND CARRIED OUT EIS SWITCHING TEST AS PER AMM 31-60-00-710-002A. (TC# 20150219002)