What was found
ODOR OF OIL IN FLIGHT DECK DURING CLIMBOUT. NO INDICATION OF ODOR IN CABIN . TAKEOFF BLEEDS ON, ODOR RETURNED AT 340 IN CLOUDS WITH NORMAL CRUISE POWER SETTINGS, IN DECENT OUT OF 5500 AT IDLE POWER, ACCOMPLISHED A NR 1 ENGINE BORESCOPE INSPECTION OF THE LPC AND HPC SECTIONS. NO EVIDENCE OF OIL PUDDLING WAS NOTED IN EITHER SECTION. HOWEVER HEAVY WET OIL COKING WAS NOTED IN 2.5 BLEED AREA. THIS CONDITION IS OK IAW ENGINEERING INFO NOTICE 2017-T015. LPC BORESCOPE IAW AMM 72-00-00-200-017-B, HPC BORESCOPE IAW AMM 72-00-00-200-016-BO1. OZONE FILTERS WERE CHANGED.