What was found
AIRCRAFT IN BASE MAINTENANCE: EPAS BACK-UP BATTERY ABOVE 3R DOOR DEAD, MPN# BPAS10-5. MAINTENANCE REPLACED EPAS BACK-UP BATTERY IAW 777 AMM 52-12-24.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EPAS BACK-UP BATTERY ABOVE 3R DOOR DEAD, MPN# BPAS10-5. MAINTENANCE REPLACED EPAS BACK-UP BATTERY IAW 777 AMM 52-12-24.