What was found
ON ILS APPROACH ATTEMPTED TO EXTEND FLAPS TO THE 28 POSITION HOWEVER FLAPS STOPPED AT ABOUT 15 DEGREES WITH A LVL 2 FLAP DISAG ALERT. COMPLIED WITH QRH WITH FULL DEPLOYMENT TO 50 AND BACK TO 28, FOLLOWING APPROACH AND LANDING ONEVENTFULL. FOLLOW FIM 27-50-00-2, ACCOMPLISHED FULL EXTEND & FULL RETRACT OF FLAPS PER AMM 27-50-00-2, OPERATION FOUND OK, CHKED FCC-1/-2 CURRENT FAULTS AND FAULT REVIEW - NO FAULTS NOTED. ACCOMPLISHED FCC-1/-2 FLAP SYSTEM TEST PER AMM 22-00-00-5, ALL TESTS PASSED. ACFT OK TO CONTINUE.