Installation of Honeywell N1 digital electronic engine control (DEEC).

Installation of a corrosion shield for an aft refuel panel.

Installation of engine cover storage.

Installation of a ground power unit battery charging system.

Installation of a TAX probe temperature monitor system.

Installation of acoustical panel in ECU exhaust duct.

Installation of Fuel Crossfeed/ Transfer Annunciator.

Installation of Dual Refuel/Defuel Panel.

Installation of toilet ground servicing.

Installation of low fuel indicating system.