As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY OTEMP R RED CAS: RIGHT BATTERY OVERHEAT CAS MSG. HAD AT ABOUT 13K. FLUCTUATED BETWEEN COOL AND 105C. SEATTLED AT 73C. RAN CK LIST. LANDED. CKED BATTERY ONCE ON GROUND. WAS COOL. // SIGNOFF// REMOVED RH SIDE BATTERY AND INSTALLED NJA SUPPLIED OVERHAULED BATTERY PER CE-680A AMM 24-30-05 AND TC (68-24-0001_1 REV 3. OPS CHECKED PER CE·680A AMM 24-30-01. NO FURTHER DEFECTS NOTED.