Retrofit of Smiths Industries Type 2123 fuel quantity indicators with Type 4211 capacitance trim units and a Type 4270 VTO relay module in the fuel quantity system in accordance with United Air Lines, DAS-1-WE, Approved Drawing List 1944 dated September 28, 1984, 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

• 737-100 Series