As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 641 24-36 2204471 18OCT19 CLT CLOSE BATT 1 OVRTEMP MESSAGE DISPLAYED AND BATT CONTINUES TO CLIMB ON GROUND. FACT 18OCT19 15:34 CLT CLEANED AND RESEATED ALL 4 PINS IN BATTERY 1 TEMP SE NSOR CONNECTOR (P1007) BATTERY TEMP IS NORMAL WITH NO EICAS MESSAGES. OK FOR SERVICE. NOTE: ALSO DURING TROUBLE SHOOTING R&R'D BATTERY, TEMP INSTALLED BOTH DAU'S (NO FIX), AND R&R'D CANNON PLUG ON WIRE P1007 TO BATT #1 TEMP SENSOR.