Installation of APU inlet modifications per Gulfstream Drawing11595B40312.

Installation of APU inlet modifications.

Installation of modifications to inhibit the automatic shutdown features of the auxiliary power unit for low oil pressure and high oil temperature.

Installation of Electronics Int'l digital automatic engine analyzer.

Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.

Replacement Engine Mount Installation in accordance with ModificationData Summary MDS323411, revision 02, dated 5 October 2011.