What was found
ACRID STRONG OIL ODOR IN FLT DECK, 1ST & BUSINESS CLASS. ACP VISUAL CHECK OF NR1 ENG SPINNER FOR POSSIBLE OIL CONTAMINATION. REMOVED SPINNER AREA NO LARGE AMOUNT OF OIL FOUND. INSTALLED SPINNER. BOROSCOPED ENGINE THRU AP2 AND AP3, NO EVIDENCE OF OIL ON BLADES OR AT HUB. ACCOMPLISHED ENGINE RUN'S AT POWER TO THE LT ENGINE FROM CRUISE TO FLT IDLE FOUND AN EVER SO SLIGHT ODOR. CHECKED FAN INLET-EXIT-2.5 BLEED- VANE ARMS-IP DUCTS AND BLEED PORTS ALL WITH NO OIL WETTING, PUDDLING, OR VARNISH. ACCOMPLISHED BOROSCOPE OF LOW PRESSURE COMPRESSOR SECTION WITH NO WETTING. CONFIRMED RT ENG HAD NO ODOR.