Remanufacture AiResearch P/N 176840-1 Bleed Air Precooler Assembly by replacing the core assembly

Remanufacture of AiResearch Precooler Assembly, P/N 184380-1, by replacing core assembly

Modification of Auxiliary Power Unit Shroud to permit accessories end of shroud to be removed for increased accessibility.

Installation of a remotely controlled engine oil replenishing system.

Installation of an engine power trim system in accordance with FAA Approved United Airlines Report F-1953, Revision B, dated July 15, 1983, or later FAA approved revisions. United Air Lines FAA Approved Airplane Flight Manual Supplement B727-200 dated September 13, 1983, or later FAA approved revisions is required for this installation.

Installation of an electric engine oiler system (oil resupply system).

Installation of aft engine mount on engines 1 and 3.

Installation of ASTECH Engineered Products, Inc. inlet assembly.

GKN Aerospace is responsible for the complete design, development, manufacture, assembly and certification of Inlets for turbofan and turboprop applications.

Installation of a Honeywell Mark VII Enhanced Ground Proximity WarningSystem (EGPWS).Revision 1 transferred from EMTEQ Engineering to B/E Aerospace. EASA.IM.A.S.01135 FAA STC ST02995-AT

Installation of an engine power trim system