What was found
WHILE CONFIGURING FOR LANDING, AS WE SELECTED FLAPS 25, WE RECEIVED A TE FLAPS DISAGREE ON EICAS. INDICATOR REMAINED AT FLAPS 20. COMPLIED WITH QRH. RETRACTED FLAPS USING ALTERNATE METHOD. UNEVENTFUL LANDING IN HNL. EMERGENCY DECLARED. RAN FLAPS THROUGH FULL TRAVEL NUMEROUS TIMES IAW AMM 27-51-00-2. NO SIGNS OF BINDING, ASSYM, TRIPPED INDICATORS, OR ANY OTHER ABNORMALITIES. DID NOT RECEIVE TE FLAP DISAGREE MESSAGE. BOTH LEFT AND RIGHT FLAP POS NEEDLES MOVE IN SYNC. UPON FURTHER T/S, WHEN FLAP HANDLE SET TO 25 AND FLAPS TRANSITIONING FROM 15 TO 20 DEGREES, FLAP ISLN VALVE STATUS MESSAGE APPEARED. TROUBLESHOT IAW FIM 27-51 FT 818. R & R FSEU 1 IAW AMM 27-51-01-2. PERFORMED PERFORMED TEST ON FSEU 1. TESTS GOOD WITH NO EXISTING FAULTS NOTED. RAN FLAPS THROUGH FULL TRAVEL SEVERAL TIMES WITH NO STATUS OR EICAS MESSAGES PRESENT. NO EXISITING FAULTS ON FSEU 1, 2, OR 3 AT THIS TIME. A/C OK FOR SERVICE.