What was found
SMELL ON TAKEOFF/CLIMB FROM AIR SYSTEM. STRONG- EST IN FWD CABIN . CREW FELT TEMP MILD EFFECT FOUND HISTORY ON PRIOR OVERNIGHT MAINTENANCE OF #1 ENGINE COMPRESSOR WASH REF L/P 9275012. SLIGHT OIL SMELL REMAINED IN CABIN AND FLIGHT DECK. PERFORMED FIM TASK 05-51-26-800-801-C1 FOR ODOR IN FLIGHT DECK/CABIN. ACCOMPLISHED ENGINE RUN BURN OUT AND DUCT CLEAN OUT REF AMM 21-00-21/201. CHANGED LEFT AND RIGHT RECIRCULATION FILTERS REF AMM 21-25-01/401. NO SMELL REMAINING. NO PART DEFECT FOUND. ISSUE WAS DUE TO INSUFFICIENT ENGINE RUN TIME POST COMPRESSOR WASH.