What was found
FLIGHT ATTENDANTS REPORTED CENTER AISLE ABEAM ROW 17 MAKES BANG WHEN THEY STAND IN CENTER AISLE. SOUND NOT HEARD WHEN STANDING SEATING IN SEAT ROW. C/W EA NO. 1-A53-31403 REV 1 REPETITIVE INSPECTION ACTION: ACTION REQUIRED: PERFORM GENERAL VISUAL EXAMINATION OF PANEL TO ENSURE PANEL IS FREE OF DEFECTS (CRACKS; DENTS; PUNCTURES; ETC.). IF DEFECTS ARE NOTED; CONTACT SERVICE ENGINEERING. INSPECTION THRESHOLD: 100 FLIGHT CYCLES. REPEAT INSPECTION INTERVAL: 100 FLIGHT CYCLES. PERMANANT REPAIR LIMIT ACTION REQUIRED: PERFORM PERMANENT REPAIR BY REPLACING PANEL OR RECTIFY PER AMM 53-21-00/401. PERMANENT REPAIR TIME LIMIT 250 FLIGHT CYCLES PERMANENT ACTION REQUIRED. /