STC SA2755NM-D

United States of America Department of Transportation Federal Aviation Administration Certificate Supplemental Type CertificateSURRENDERED on 6.24.2009 Number SA 2755NM-D This certificate issued to: United AIT LIDes Part 25 of the Federal Aviation Regulations. Ref. IC Data Sheet A22WE for Special Conditions Original Product - Type Certificate Number: A22WE Make: McDonnel1-Douglas Model: DC10-30 Series Description of Type Design Change: Replace First Class seats and increase Coach seating from 40 F/C + 245 Y/C to 38 F/C + 260 Y/C. Install new G-3 galley and F/C closet in Zone A. Install centerline stowbins in Zone B and C. Aircraft N1852U-54U and N1856U-590 have a new mid-cabin lavatory installation. All zones have new aisle light covers and interior decor upgrade. This modification was accomplished in accordance with United Air Lines DAS IWE approved Master Drawing List 2775 dated January 14, 1991 or later approved revisions.

Limitations and Conditions: This approval does not extend to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

Date supplicatin: October 30, 1989 Date of Issuance: January 14, 1991 Jaleumended:

FEDERAL ATTATION By Direction of the Administrator TOMINISTRANOF United Airlines (Title) 47 FAA FORM 8110-2 (10-68)