What was found
Inoperative cargo loading power drive units Since 1-12-02 thru 4-6-02 FWTA has experienced 23 failures of these units. These units are new as the aircraft has a TAT 1502 and TAC 478Failed units have part numbers of 19100-1 and 19100-3. Units removed for inop, broken brackets, will not run, frozen, and no power.