As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
100320914: RIGHT SIDE UPPER DECK DOOR EMERGENCY OPENING SYS BATTERY PACK DEAD A/T: ITEM TRANSFERRED TO DMI #100320914 CAT C DUE 5/1/26 M PROCEDURE COMPLIED WITH IAW B747 MEL 52-23-1-3A PLACARDS INSTALLED. REF DMI #100320914 RH UPPER DECK DOOR BATT PACK INOP. CORRECTIVE ACTION: R & R RH UPPER DECK BATTERY CARTRIDGE IAW B747-400 AMM REF 52-23-14, OPS CHECK GOOD, THIS CLEARS DMI #100320914. ALL PLACARD REMOVED.