What was found
VERY LOUD SQUEAL COMING FROM THE LEFT EMERGENCY EXIT ROW, NOISE STARTED DURING DECENT AND CLEARED IN THE MID 20'S. INSPECTED, CLEANED, AND OPS CHECKED THE 13A EMERGENCY EXIT IAW TSM 52-21 -00 -810-810-A. OPS CHECKED GOOD, NO DEFECTS NOTED AT THIIS TIME. GOOD FOR SERVICE. PRESUSURIZED ACFT IAW AMM 05-53-00-780-003-A01. OPS CHECKED GOOD.