As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN INSTALLING A REPLACEMENT BATTERY, NOTICED THE TEMP SENSOR WIRING HARNESS DID NOT HAVE A JUMPER WIRE. FURTHER INSPECTION REVEALED THAT THERE WAS NO SHUNT INSTALLED IN THE CONNECTOR. A REVIEW OF THE CHR SHOWED THAT THE ENTRIES WERE MADE REGARDING THE SHUNT AD AND WIRING HARNESS MOD BUT WERE CROSSED OUT (ENTERED IN ERROR). A WIRE JUMPER WAS INSTALLED ON THE HARNESS PRIOR TO BATTERY INSTALLATION.