What was found
COMPLY WITH SCHEDULED MAINTENANCE CODE: RA44687-670-52-11-511 604SK-DTI - MULTIPLE GROOVES AND GOUGES ON PAX DOOR PIANO HINGE LUGS. REMOVED ALL GOUGES, REF REO 670-52-11-511 REV A , DATED 2013-03-06. INSPECT ALL LUGS PER NDTM PART 1, CHAP. 51-20-009 FOR CRACK IN LUG OR LUG FAILURE, PART NUMBER: CC670-38601-1 - DOOR ASSY-PASSENGER, SERIAL NUMBER: 10249, POSITION: ONLY (C-CHECK) RO 3/10/2021 REPAIRED DAMAGE TO PASSENGER DOOR PIANO HINGE (DOOR SIDE) IAW STEPS 1-4 TYPE 1 DISPOSITION OF BOMBARDIER REO 670-52-11-511 REV E DATED 2017-08-02. COMPLIED WITH ATTACHED SKY CARD 51-900-1002-SKY AND M-337. NO CHANGE TO WEIGHT AND BALANCE. ADDITIONAL DETAILED VISUAL INSPECTION REQUIRED AFTER 5,700 FLIGHT CYCLES IAW NDTM PART 1 CHAPTER 51-20-009.