What was found
ON APPROACH, TE LIGHT WITH TE FLAP DISAGREE MESSAGE, WHEN FLAPS SET TO 25. CONFIRMED FLAP HANDLE IN DETENT. COMPLIED WITH QRH FOR SUBSEQUENT APPROACH & LANDING. TROUBLESHOT IAW AMM 27-51 TREE 805, FSEU NR 1 SHOWED FLAP FAIL 217. DURING TEST OF FSEU 1, HAD FAULT FLAP LD RELF, LOWERED FLAPS TO 30 IAW TECH TIP 18-0042, CHKD INBD FLAP INBD LT & RT XMSN FLUID LEVELS GOOD & LOAD LIMITERS NOT TRIPPED, INBD FLAP OTBD XMSN FLUID LEVELS GOOD. TECH TIP 18-0042 & NO DEFECTS. PERFORMED AMM 27-51 FAULT 810, NO FAULTS. R & R RELAY K10245, FLAP LOAD RELIEF RELAY IAW WDM 27-51-51 PAGE 2 SHEET 1. TESTS PASSED IAW AMM 27-51-28-2 & AMM 27-51-00-5. PERFORMED FESU BITE, NO FAULTS IAW AMM 27-51 FAULT 805 . OK FOR SERVICE.