As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTS DITCHING DAM IS NOT STAYING UP. FALLS DOWN WITH LIGHT TURBULANCE. REMOVED FROM SERVICE. STOWED AIRSTAIR DITCHING DAM AND PERFORMED OPERATIONAL CHECK, IAW Q400 AMM 25-62-01-710-801, OPERATIONS CHECKS GOOD. OK FOR SERVICE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.