As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M/D OVERDOOR L4 EMER LT POWER PACK(M33407) FOUND LOW CAPACITY REFER HAECO NON-ROUTINE NO.9484460,ORIGINATED BY SPEC NO.B777-33-3-7019. PERFORMED BY OVERDOOR L4 EMER LT POWER PACK(M334 07) FOUND LOW CAPACITY REPLACED M/D OVERDOOR L4 EMER LT POWER PA CK(M33407) AND PERFORMED THE LIGHT TEST THE RESULT FOUND NORMAL REF TO AMM 33-51-06-960-802 REV.100