What was found
AT DEPARTURE TIME F/O WENT TO CLOSE LEFT MAIN CABIN DOOR AND GIRT BAR FELL OUT OF THE BOTTOM OF THE DOOR TROUBLESHOOTING INFO: L1 DOOR WILL NOT CLOSE PROPERLY AND WHEN DOOR DOES CLOSE THERE IS A ONE INCH GAP ON FORWARD SIDE OF DOOR. FOUND L1 DOOR OUT OF ADJUSTMENT AND GIRT BAR CAUGHT ON DOOR FRAME CAUSING IT TO FALL, REF 757 AMM 52-11-04-2 FIG 201 FOUND 4 EA ITEM 17 BOLTS LOOSE AND ITEM 4 SUPPORT BRACKET MOVED OUT OF ADJUSTMENT. ADJUSTED SUPPORT BRACKET TO CORRECT POSITION AND TIGHTENED BOLTS. REINSTALLED GIRT BAR AND ADJUSTED, REF 757AMM 52-11-25-5. DOOR AND SLIDE OPERATE NORMALLY. A/C OK FOR SERVICE.