What was found
COCKPIT ODOR - ON DESCENT INTO PBI WITH POWRAN APU AND HAD NO ODOR. RAN RIGHT ENGINE ONLY AND NO ODOR. RAN LEFT ENGINE ONLY AND NO ODOR. REPOSISTION AIRCRAFT AND PERFORMED POWER RUNS ONE AT A TIME AT POWER AND EITHER ENGINE DID NOT PRODUCE A MUSTY ODOR. // SIGNOFF//GAINED ACCESS AND REMOVED OLD CONDENSER BAG P/N: 83237-121 NSN AND INSTALLED A NEW CONDENSER BAG P/N:83237-12, NSN. PERFORMED APU AND ENGINE RUNS AGAIN WITH NO ODOR. NO FURTHER DEFECTS NOTED. ALL WORK IAW CE-560XLS MM 21-51-00ER AT CLOSE TO IDLE WE HAD A STRONG DIRTY SOCK ODOR IN THE COCKPIT