As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTED HEARING A HIGH PITCHED NOISE AT LEFT OVERWING EXIT. CONTINUED FOR ENTIRE FLIGHT. DURING INSPECTION FOUND SEAL & DOOR FRAME WITH EXCESSIVE DIRT & DEBRIS, CLEAN SEAL IAW AMM 52-21-11 AND REMOVED & REINSTALLED EMERGENCY EXIT HATCH IAW AMM 52-21-11.