What was found
IAH - EMERGENCY LANDING - 3/18/01 - EN ROUTE FROM PHX TO IAH PRIOR TO DESCENT THE L/E FLAP TRANSIT AMBER LIGHT CAME ON AND REMAINED ILLUMINATED; THE CREW LANDED IN IAH W/ FLAPS 15 PER THE QRH. MAINTENANCE FOUND THE SLAT CONTROL VALVE CABLE TENSIONS HIGH AND ADJUSTED IAW AMM 27-51-22 PG 406; AFTER THE AIRCRAFT RETURNED TO PHX ON A MAINTENANCE FERRY A COMPLETE TEST WAS PERFORMED ON THE L/E SLAT SYSTEMS. THE NR 1 KRUEGER FLAP ACT WAS REPLACED DUE TO EXCEEDING LEAK DOWN AND DROOP LIMITS AND CABLES WFFA & WFFB ADJUSTED IAW AMM 27-51-00 PG 509; THE FOLLOWING COMPONENTS WERE ALSO REPLACED AS A PRECAUTION: HYD FUSE - PNEUDRAULICS INC. - P/N 6273-5 - LOC: MLG W/W; HYD.FUSE - DOWTY AEROSPACE - P/N 10-62204-5.