As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5860 - DUJ-PIT - CREW AGAIN NOTED A NOXIOUS SMELL IN FLIGHT. MAINTENANCE COULD NOT FIND ANY EVIDENCE OF SMELL DURING GROUND RUN, HOWEVER DURING TEST FLIGHT. THE SMELL RETURNED. MAINTENANCE FURTHER TROUBLESHOT AND FOUND THE STALL WARNING TEST SWITCH SHORTED. REMOVED AND REPLACED THE SWITCH, OPS CHECK GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)