As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEAK SMELL OF "WARM/OVERHEATED" ELECTRONICS MOSTLY AT CRUISE FL220 AND AQT CA SIDE. REMOVED AND REPLACED BOTH COCKPIT EMER FLASHLIGHT BATTERIES IAW CMM 25-60-11. (OLD BATTERIES HAD A VERY WEAK ELECTRICAL SMELL TO THEM NO FUTHER DEFECT NOTED)