What was found
TEST FLIGHT UNSATISFACTORY, SLIGHT OIL OR HYD SMELL FROM GASPERS DESCENDING THROUGH 18,000', AGAIN AT 10,000' AFTER SPEED BRAKES DEPLOYED. NO ODOR NOTED IN CABIN. FOUND SLAT TEE GEARBOX LEAKING GREASE. R & R SLAT TEE GEARBOX. THE AIR CYCLE MACHINE, CONDENSER & THE REHEATER WERE ALSO R & R.