As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED LEFT OVERWING EXIT MAKING LOUD HUM. PERFORMED DETAILED VISUAL INSPECTION OF LT OVERWING EMERGENCY EXIT DOOR IAW AMM 52-21-00-200-001-A. NO DAMAGE NOTED. PERFORMED PRESSURIZATION LEAK CHECK IAW AMM 05-53-00-780-001-A. NO LEAKS NOTED AT LT OVERWING EMERGENCY EXIT DOOR.