What was found
WHILE OPENING R1 DOOR , RAFT/ SLIDE COVER CAME OFF AND GOT WEDGED BETWEEN THE AFT DOOR JAMB AND DOOR SLIDE. SLIDE STRAP WAS NOT COMPLETELY TIGHT ALLOWING SLIDE TO SAG. DAMAGED DOOR SLIDE COVER IN PROCESS OF GETTING R1 DOOR OPEN. ACCOMPLISHED REPAIR OF R1 DOOR SLIDE COVER DAMAGE, REF B757 SRM 51-70-20-2R, STEP 5.B. (4)(A) THRU STEP 5.B. (4)(D). REQUIRES SURFACE PREPARATION AND PAINT. SURFACE PREPARED FOR PAINT. APPLIED THE FINISH TO THE REPAIR AREA, PER AMM 25-00-00-7. COVER READY TO PICK UP AT MEM COMP SHOP LEAD BOOTHINSTALLED REPAIRED SLIDE COVER, REF AMM: 25-66-01-4. OK FOR SERVICE.