What was found
(AIRCRAFT NOT GROUNDED) DURING DESCENT AT 8000' F/A REPORTED STINK FOUL ODOR. WE SMELLED IT FAINTLY IN COCKPIT TOO. PER QRH WE TURNED OFF PACK 1. ODOR DISAPATED WITHIN 5 MIN / TC 21-000-002 IN PROGRESS. LEAKS FOUND ON FCU, IGV ACTUATOR, SURGE CONTROL VALVE LINE PACKINGS. R&R FCU IAW AMM 49-32-11-000-003-A & 49-32-11-400-003-A. NO LEAKS FOUND. PERFORMED LEAK CHECKS OF IGV ACTUATOR & SURGE CONTROL VALVE IAW AMM 49-00-00-200-811-A. NO LEAKS FOUND. TC 21-000-003 C/W NO SMELL NOTED.