What was found
COCKPIT ODOR BURNING SMELL - ENROUTE WE SMELLED A FUEL/OIL BURNING SMELL IN THE COCKPIT. THAT WOULD COME AND GO EVERY FEW MINUTES. AFTER LANDING THE SMELL WAS NOTICEABLE IN THE AFT EQUIPMENT BAY. NOTE, WE DID NOT GET DEICED AND THE APU WAS RUNNING ON THE GROUND BUT NOT IN THE AIR. // SIGNOFF// PER NJA REP GARRY J, PERFORMED HIGH POWER UNS WITH APU, LEFT & RIGHT ENGINES ISOLATED. PERFORMED RUN UPS AS REQUESTED. TECHS IN COCKPIT AND CABIN REPORTED NO ODORS. CONTINUED RUNUPS, AND DROVE DUCT TEMPS HOT, TO CLEAR POSSIBLE RESIDUAL ODOR. WE DID NOT DETECT ANY ODORS DURING RUNS. REMOVED WATER SEPARATOR ASSY, AND INSPECTED ASSOCIEATED DUCTS INSIDE. NO RESIDUE NOTED INSIDE DUCTING. INSTALLED NEW WATER SEPARATOR SOCK P/N 21'BC113. RESECURED DUCTING IAW CE-560XL MM CHAP 21-51-00. OPS/LEAK CHECK GOOD. POWERED UP AC ELECTRICAL AND AVIONICS SYSTEMS. OPENED NOSE AVIONICS BAYS, AND INSPECTED FOR ANY FAILED COMPONENTS AND ODORS.NO DEFECTS NOTED. INSPECTED COCKPIT PEDISTAL, CB PANELS, AND INSTRUMENT PANELS FOR FAILED COMPONENTS OR ODORS. NO DEFECTS NOTED. POWERED UP CABIN LIGHTITNG AND ENTERTAINEMENT SYSTEMS. NO FAILURES OR ODORS NOTED. COMPLIED WITH NJA TC-5XL-21-120902M, ENVIROMENTAL CONTROLE SYSTEM (ECS) DUCT BURNOUT AS REQUIRED. TORQUE WRENCH PIN FIRS02006, S/N 0502500426, CAL DUE: 08/21/19