USED DURING 4000 CYCLE CORE UPGRADE TO MACHINE A BORESCOPE HOLE IN THE NEW INSTALLED FAIRING ASSY;USED WITH P/N PWA55120 FIXTURE;CONTRACT NO. F33657-84-C-2263;TURBOFAN ENGINE F100-PW-100/200;SERD NO. 5761;RQRD FOR SUPPORT OF 2840-01-095-9493 AND 2840-01-098-3956