MECHANIC REPORTS AN OUTBOUND CAPTAIN NOTICES THE MEL REQUIREMENT FOR ENTERING THE B757-200 ENGINE OIL CONSUMPTION AS A SPECIFIC ITEM; HAD NOT BEEN COMPLIED WITH. REVIEW OF ALL MEL'S WAS MISSED DURING ROUTINE OVERNIGHT (RON) CHECK.

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DEC/08. CHKING RON OILS AS ACFT ARRIVED FOR RON. ACFT ARRIVED AS RON; I SVCED OILS ON BOTH ENGS THEN ENTERED QUANTITIES IN LOGBOOK BLOCKS. CONTACTED MAINT CONTROL; NOTIFIED THEM OF OIL ADDED AS PER MY ON-DUTY LEAD; MR X'S INSTRUCTION; ADVISING ME IT HAD AN ENG OIL WATCH. THE MAIN ENG OIL SVC IS A REGULAR AFTERNOON SHIFT TASK AS WE TRY TO SVC OILS IN THE MAINT MANUAL RECOMMENDED TIME AFTER MAIN ENG SHUTDOWN; THEREFORE; THE ONCOMING SHIFT DOES NOT HAVE TO RESTART THE ENG SAVING; FUEL; MONEY; AND TIME. AFTER SVC IN THIS CASE; THE ACFT WAS RELOCATED TO A HARDSTAND PROVIDING GATE SPACE FOR INBOUNDS. CREW CALLED FOR A MAINT ITEM; AN INOP UPPER BEACON ABOUT 20 MINS PRIOR TO DEP. MECH MR Y RESPONDED TO THE GATE CALL. HE PLACED THE UPPER BEACON ON MEL; THEN RETURNED THE LOGBOOK TO THE CREW. FLT CREW MENTIONED THE OIL WATCH AND ASKED ABOUT THE OIL ENTRY. MR Y LOOKED AT THE BOOK; SHOWED THE CAPT WHERE THE OIL QUANTITIES WERE ENTERED IN BLOCKS. WHEN MR Y LEFT; HE WENT TO THE MAINT READY ROOM WITH THE LEAD MR W WHO LOOKED AT THE MEL; LOOKED AT THE PROCS OF 76-99-00 CONDITION C; MAINT PROC STEP 4. MECH WENT BACK TO PLACE THE ENTRY IN THE LOGBOOK ALTHOUGH THE ACFT HAD DEPARTED. NOTIFIED MAINT CONTROL. MEL REVIEW WAS NOT COMPLETED -- AT LEAST IT WAS NOT CAUGHT. THIS IS NORMALLY ACCOMPLISHED BY THE RON MECH DOING THE CHK. ON THIS NIGHT; MR Z COMPLIED WITH AN 'OVERNIGHT CHK.' THE FIRST STEPS OF THE CHK REQUIRE AN MEL REVIEW --. WHERE IT SHOULD HAVE BEEN CAUGHT -- AND THERE IS A STEP FOR CHKING THE OIL QUANTITY. IMPROVED FOLLOW-UP PROC FOR MEL'S REQUIRING ADDITIONAL REPETITIVE PROCS.