What was found
ON APPROACH INTO OAK GOT TE FLAP DISAGREE WHILE EXPENDING FLAPS THROUGH 15 . WENT AROUND. DISCOVERED HANDLE WAS STUCK BETWEEN FLAPS 15 AND 20. RAN QRH. DECLARED EMERGENCY. LANDED UNEVENTFUL IN OAK. FLAPS RETRACTED NORMALLY AFTER LANDING. REFERENCE WRI 27-50 / 7922 FOR ALL THE WORK PERFORMED. C/W STEP 1 OF MTSI, FOUND LEVER XMT AND LEVER DISAGREE ON FSEU #1 FAULT HISTORY. NO FAULTS FOUND ON FSEU #2 AND #3. C/W STEP 2 OF MTSI, CYCLED FLAPS FROM UP TO FLAP 30 COMPLETING 3 CYCLES. NO BINDING AND DISCREPANCIES NOTED. PERFORMED BITE CHECK OF FSEU'S AFTER CYCLING FLAPS, NO FAULTS NOTED. A/C OK TO CONT SERVICE.