MECHANIC REPORTS ON THE MISUNDERSTANDING AND RELEASING OF A B737-300 WITH FORWARD GALLEY CARTS MISSING.

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I WAS SENT TO ACFT TO ADDRESS A BROKEN EMER LIGHT BROKEN AT SEAT 10C. WHEN I ARRIVED I FOUND THAT THE LENS WAS MISSING SO I INSTALLED A NEW LENS AND ENTERED IT INTO THE LOGBOOK. AS I WAS LEAVING THE ACFT; THERE WAS SOME DISCUSSION OF SOME MISSING FORWARD GALLEY CARTS. I PASSED THIS INFO ONTO MY LEAD; THE TWR; ZZZ; ENGINEERING; AND CATERING. AFTER A LOT OF RESEARCH AND DISCUSSION WITH ALL PARTIES INCLUDING THE FLT CREW AND THE FAA GENTLEMEN; I THOUGHT THAT THE GENERAL CONSENSUS WAS THAT THE MISSING CARTS WERE NOT A SAFETY OF FLT ITEM AND THAT THE ACFT WAS OK FOR CONTINUED SVC. ALL OPEN DISCREPANCIES IN THE LOG WERE CLEAR AT TIME OF DEP. MISSING DIVIDER WAS WRITTEN UP IN ZZZ1. I BELIEVE THAT THE MAINT OF ALL WORK SHOULD BE DONE IN-HOUSE WHERE ALL PRACTICES AND PROCS ARE BETTER ENFORCED. THE PRACTICE OF OUTSOURCING HAS MADE A MESS OF QUALITY ASSURANCE IN REGARDS TO THE PAPERWORK QUAGMIRE THAT HAS STRETCHED THE RESOURCES OF THE FAA AND CERTIFICATE HOLDER'S ABILITY TO ENFORCE GOOD; SOUND MAINT PRACTICES. THE BOTTOM LINE IS THAT NO ONE KNEW WHAT WAS REMOVED FROM THE GALLEY OR WHO REMOVED IT. THE ABILITY OF A LINE MECH TO DECIPHER WORK PERFORMED IN A TIMELY MANNER HAS ALSO STRETCHED OUR RESOURCES. GET BACK TO WHERE AIRLINES DO THEIR OWN MAINT IN-HOUSE WHERE QUALITY ASSURANCE OF GOOD; SOUND MAINT PRACTICES AND PROCS ARE EASIER TO ENFORCE; TRACK; AND TRACE.