What was found
THE LT MLG DOOR (P/N D5288016500400 SN AR5146) WAS FOUND WITH THE OUTER CONTOUR DISTORTED/WARPED. THE DOOR WAS SENT FOR REPAIR AND COULD NOT SUPPORT. SUBSEQUENTLY THE MLG DOOR WAS SENT FOR REPAIR UNDER RO2060412 (WO: 13080). ASSESSED THE DAMAGE AND DEVELOPED A REPAIR TO RESTORE THE OUTER CONTOUR TO WITHIN ORIGINAL OEM LIMITS. THE REPAIR CONSISTS CUTTING SKIN IN WARPED LOCATION AND PERFORMING A COMPOSITE REPAIR USING AVENIR MLG DOOR MOLD NO TOOL-046. ALL REPAIR SCHEMES ARE BASED ON REVERSE ENGINEERING RESULTS FOR THIS P/N & S/N TO DETERMINE THE REQUIRED NUMBER OF PLIES, THE TYPE & ORIENTATION. SINCE THE REPAIR RESTORES THE CONTOUR TO THE ORIGINAL CONDITION THERE IS NO SIGNIFICANT EFFECT ON FIT, FORM, FUNCTION OR STRUCTURAL INTEGRITY. THIS EC IS ISSUED TO ACCOMPLISH THE PERMANENT REPAIR PER THE REF /1/ EO AND COMPLIES WITH THE REF /2/ FAA FORM 8110-3; THIS REPAIR IS APPROVED PER REF /2/ FAA FORM 8110-3. THIS IS A PERMANENT REPAIR AND IS CLASSIFIED AS MAJOR. THE LT MLG DOOR IS SECONDARY STRUCTURE, AND THE AFFECTED AREA IS MADE FROM COMPOSITE MATERIAL, THEREFORE NO FATIGUE ANALYSIS CAN BE PERFORMED.