A B767 WITH GE-80C2 ENG HAS SVC BULLETIN TO REPLACE SAFETIED FLOWMETER DRAIN CAPS WITH NON SAFETIED CAPS. INSPECTOR POINTS OUT THIS IS NOT A SAFE SIT.

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DURING ROUTINE INSPECTION I FOUND THAT THE NORMAL SAFETY WIRED DRAIN CAP ON THE FLOWMETER MANIFOLD HAD BEEN REPLACED WITH A NON-DRILLED; NON-SAFETIED CAP. I WROTE A WRITE-UP; BUT AFTER RESEARCH FOUND THAT THIS WAS SUPPOSEDLY CORRECT PER SVC BULLETIN 72-678. THE MANDATE OF THE SVC BULLETIN WAS TO REMOVE ALL UNUSED SAFETY WIRED HARDWARE FROM THE ENG. I KNEW THIS CAP HAD TO BE A MISTAKE BECAUSE IT WAS SAFETIED IN THE PAST AND WAS IN A SYS (FUEL) WHERE EVERYTHING IS SAFETIED. FURTHERMORE; IN A WORST CASE SCENARIO THE LEAKAGE OR LOSS OF THE CAP COULD CAUSE AN ENG FIRE AND POSSIBLE LOSS OF ACFT. AS MORE AND MORE ACFT CAME IN WITH THIS CONDITION I STEPPED UP MY CAMPAIGN TO RECTIFY THIS ACCIDENT WAITING TO HAPPEN. I CONTACTED SUPVRS; LEAD TECHNICIANS AND ACR ENGINEERS. THE RESPONSE WAS 'WE'RE WAITING FOR A RESPONSE FROM BOEING' OR 'THE DRILL-CAP IS NO LONGER AVAILABLE.' I COULDN'T BELIEVE THE LACK OF IMMEDIACY PLACED ON THIS SIT ESPECIALLY CONSIDERING THE SERIOUS CONSEQUENCES AND EASY FIX PERTAINING TO THIS CAP. IT WAS ONLY AFTER I USED ACR ASAP PROGRAM AND SELF-DISCLOSED THAT I PURPOSELY UNDID THE SVC BULLETIN 72-678 AND INSTALLED AND SAFETIED A DRILLED CAP THE ISSUE WAS DEALT WITH IN A TIMELY MANNER. THE MATTER WAS SOON RECTIFIED WITH AN ALERT BULLETIN.