2-1170 TBL 1.3 DO DOORS - LANDING GEAR CENTER DOOR ASSEMBLY ATTACHMENTS - INSPECTION. REPAIR AND MODIFICATION. RECOMMENDED SERVICE BULLETIN PART 3 MLG CENTER DOOR ASSEMBLY ATTACHMENTS - REMOVAL AND BUSHING DETAILED INSPECTION MEASUREMENT FOR EXCESSIVE WEAR. GALLING AND CRACKS (IF CONDITION 2: ANY LOOSE. MISSING. DAMAGED OR BOTTOMED OUT BOL