As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY RECEIVED FOR SERVICE AT THIS STATION WITH P/N BS 19747 FAA-PMA OVERHEAT SWITCH INSTALLED. RESEARCH SHOWED THIS BATTERY IS NOT LISTED ON PMA HOLDERS ELIGIBILITY LIST, ALTHOUGH IT IS LISTED IN THE HOLDERS PRODUCT SUPPORT CATALOG AS THE PROPER SENSOR FOR THIS SP910D BATTERY. PMA HOLDER WAS NOTIFIED. (AD NOTE REQUIRES SENSOR).