What was found
PILOT REPORT: A STRONG SMELL AT SMOKE DURING CRUISE ON ALL THE ACFT, STRONGER ON BUSSINESS CLASS, IT WAS ABOUT 2 MINUTES DURING DESCENT. IAW AMM 05-51-56/PAGE 201 THE SMOKE OR FUMES CABIN INSP CHECK WAS PERFORMED, IAW FIM 21-00-21/101. IT WAS FOUND IN NORMAL CONDITIONS. IAW FIM 21-00-01/PAGE 101. THE AIR CONDITIONING SYS CHECK WAS PERFORMED. TEST ON GROUND WAS SATISFACTORY.