What was found
DIVERSION 20 MINS INTO FLIGHT, THE NR 3 ENG OIL QTY DROPPED TO 17 QTS AND CONTINUED TO DROP UNTIL TOUCHDOWN AT NRT, WHERE IT WAS INDICATING 1 QTS. INITIAL LOSSES AVERAGED 1 QT EVERY 15 MINUTES. FOUND COVER PAD PLATE OF EDP DEACTIVATION KIT WAS INSTALLED BACKWARD WHEN DEACTIVATED NR 3 EDP PREVIOUSLY. INSTALLED COVER PAD PLATE CORRECTLY PER DMP 29-11-1-1 AND RAN ENG FOR LEAK CHECK. OK FOR SVC PER AMM 71-00-00.