What was found
NR 2 BATTERY OVERHEATED DURING CRUISE. NR 2 BATT SHOWED 21V AND SWITCHED OFF FOR DURATION OF FLIGHT. VERIFIED BATTERY WAS HOT, AND PERFORMED BATT CHARGE CONT BITE TEST. ALL NORMAL. FOUND RED AND BLUE WIRES 195 AND 196 AT BAT2 SHUNT 19PE DAMAGED AND CHAFING TOGETHER. REPAIRED BOTH WIRES AND REPLACED BATTERY PER PRECAUTIONARY DUE TO OVERHEATING, TESTED BATT CONT BITE TEST AGAIN ALL NORMAL. LET BATTERIES CHARGE FOR 2 HOURS AND OPERATED NORMALLY.