What was found
LEFT MAIN GEAR DOOR P/N 121150-207 DELAMINATED AND SKIN RIPPED OFF IN CRUISE FLIGHT HITTING THE LEFT SIDE OF HORIZONTAL STABILZER DENTING LEADING EDGE AND PUTTING A HOLE IN TOP OF HORIZONTAL STABILIZER. ALL GEAR DOORS WERE REPLACED WITH SERVICEABLE DOOR AT TACH TIME OF 1,066.0, TTIS 1,577.0 ON 7-29-96. THE RT DOOR HAD SPOT WELDS AROUND SKIN, LT WAS NOT SPOT WELDED, LAMINATED TOGETHER ONLY.