As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECORDER INDEPENDENT POWER SUPPLY BATTERY (RIPS) INSPECTION. RIPS BATTERY MFG DATE WAS 052019. BATTERY IS BEYOND 5 YEAR SERVICE LIMIT AND MUST BE REPLACED. REMOVED AND REPLACED THE RIPS BATTERY UNIT IAW AMM TASK 23-71-22. OPS TEST WAS GOOD.