What was found
DURING INSTALLATION OF RT ENGINE, BUSHING F2MB721550001 WAS NOT INSTALLED. INSTALLATION OF BUSHING IS NOT SPECIFIED IN THE AMM, TASK: 71-00-01-900-801 ENGINE INSTALLATION, BUT IS LISTED IN THE ILLUSTRATED PARTS CATALOG. FURTHER RESEARCH SHOWED THAT THIS PART IS USED AT THE HP BLEED VALVE BUT THE NOMENCLATURE USED IN TASK36-10-02-900-801 REFERS TO THESE ITEMS AS SEALING RINGS. CONTACT WITH MFG ENGINEERING REVEALED THAT THE BUSHING (SEALING RING) IS REQUIRED AT THIS LOCATION AS WELL AS AT THE HP BLEED VALVE. ENGINEERING REPLIED "I HAVE CREATED A DOCUMENT DISCREPANCY FOR ALIGN THE NOMENCLATURE OF THIS PART TO MATCH THE MM TASK AND TO INPUT THE INSTALLATION OF THIS SEAL ALSO INTO THE ENGINE INSTALLATION PROCEDURES TASK: 71-00-01-900-801 WHICH IT SHOULD BE AS WELL". THE QUESTION RAISED BY ENGINEERING WAS HOW MANY ENGINE INSTALLATIONS HAVE BEEN ACCOMPLISHED IAW THE MM WHERE THESE BUSHINGS, SEALING RINGS, HAVE NOT BEEN INSTALLED?