As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SVC CHECK FOUND AED DEFIBRILATOR WITH RED "X" INSIDE WINDOW. FACT 27MAY23 00:48 CDG U AMM: 25-60-99-2 DURING TS, FOUND AED BATTERY MISSPLACE. REINSTALLED BATTERY IAW AMM 25-60-99-2 AND PERFORMED INSPECTION IAW AMM 25-60-99-2 AND SYSTEM WORKS FINE ACFT OK FOR SERVICE