As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
''B'' ZONE R/H AFT CEILING AREA EMERGENCY LT BATT LOW CAPACITY, RE FER NON-ROUTINE NO.9498135, ORIGINATED BY EMP, SPEC NO.B 777-33-3-7019. PERFORMED BY EMP, ''B'' ZONE R/H AFT CEILING AREA EMERGENC Y BATTERY (M334047) REPLACED & SYSTEM TEST CARRIED OUT FOUND ''NO RMAL'' REF AMM 33-51-00-710-801 REV.87.