Modifies the aircraft lower lobe galley lift systems by installation of dual electronic control systems. This modification installs new wiring for the alternate control system, new logic control and motor control units for both main and alternate control systems. The installation is in accordance with United Air Lines DAS 1 WE Approved Drawing List No. 2971 dated June 24, 1991 or later FAA approved revisions.

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 30/11/11
Responsible Office: Ft. Worth Special Certification Office (ASW-190), Tel: (817) 222-5190

Boeing Company, The

• 747-100 Series