Install ribbon heaters on potable water lines located in the aft cargo pit. The installation consists of interconnecting wiring, circuit breakers and placards. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00019 dated November 5, 1997, or later FAA approved revisions.

Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)

Installation of Unit Load Device center of gravity offset limit kit.