What was found
PERFORM EMERGENCY LIGHT OPERATION CHECK FOUND EMERGENCY LIGHT BATTERY (DOOR R1 M33094/R3 M33404/R4 M33408) TOTAL 3 EA INOPERABLE. REFER NON-ROUTINE NR 9422420 SPEC NR B777-33-3-7030. REPLACED M33094 M33404 M33408 EMERGENCY 1-06-960-802 REV 90 R1 P/N ON AD-D717-01-100 S/N ON 253353, P/N OFF D717-01-100 OFF S/N 203457 R3 ON P/N ADD717-01-100 ON S/N 25 3367, OFF P/N ADD717-01-100 OFF S/N 141465. LIGHT BATTERY PACK, INSTALLATION TEST RESULT ''PASS'', REF AMM 33-5 /N 200913. R4 ON P/N ADD717-01-100 ON S/N 231846, OFF P/N D717-01-100 OFF S.