As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M/D R4 DOOR 1EA EMER LT POWER PACK(M33409) FOUND LOW CAPACITY RE F HAECO NON-ROUTINE NO:9487736 - ORIGINATED BY EMP V903218,SPEC NO.B777-25-3-7250. PERFORMED BY EMP V903218,REPLACED M/D R4 DOOR EMER LT POWER PACK (M33409) AND C/O NEW POWER PACK INSTALLATION TEST,THE RESULT FOU ND NORMAL AS PER AMM 33-51-06-960-802 REV 101.IDT BY TA551.