What was found
SHIP 6816 - THE FLIGHT CREW DECLARED AN EMERGENCY WHILE ON APPROACH DUE TO A "TE FLAP DISAGREE" MESSAGE WHEN CHANGING FROM FLAPS 20 TO 25. THE FLAPS STAYED AT 20. COMPLIED WITH THE QRH AND USED ALTERNATE FLAPS. INITIAL CORRECTIVE ACTION: CONTRACT MAINTENANCE RAN THE FLAPS BOTH ELECTRICALLY AND HYDRAULICALLY. ALL CHECKS NORMAL AT EVENT STATION. FOLLOW UP CORRECTIVE ACTION: MAINTENANCE COMPLIED WITH NO GO PROGRAM. REPLACED FLAP POSITION TRANSMITTER. CHECKED TRANSMISSION FLUID & TORQUE INDICATORS. LUBRICATED FLAP TRANSMISSION AND CHECKED THE FLAP POSITION TRANSMITTERS ADJUSTMENT. VERIFIED NO BINDING IN DRIVE SYSTEM. OK FOR SERVICE. (LP #7621074)