What was found
PDIS 394 27-50 4765 15MAR20 MEM FACT U DURING APPROACH REQUESTED "FLAPS 15", FO TRIED SELECTING FLAPS 15 UNSUCCESSFULLY. WE USED THE DIAL-A-FLAP TO SELECT FLAPS 22. SUSPECT JAMMED FLAPS. SHGN 15MAR20 21:36 MEM U WHILE TROUBELSHOOTING FLAPS 15 UNSUCCESSFULLY. PERFORMED GVI IN FORWARD EE CHECKED FLAP POSITION TRANSMITTER AND BELLCRANK NO DEFECTS NOTED- ALSO DROPPED MAIN WHEEL WELL DOORS AND PERFORMED GVI OF CABLE RUNS TOO INBOARD AND OUTBOARD FLAPS NO DEFECTS NOTED. PERFORMED TIMING CHECKS FLAP/SLAT IAW MD-10-10 AMM 27-50-00-5-1 OPS CHECKS PASSED. PERFORMED THIS TEST MULTIPLE TIMES- FLAP HANDLE WAS SMOOTH TO MOVE UP AND DOWN IN EACH DETENT. CHECKED FCC-1 AND FCC-2 NO FAULTS FOUND. ALSO OPERATED DIAL-A-INDICATOR FLAPS MOVED IN EACH COMMANDED DETENT. WHILE TROUBELSHOOTING FLAPS 15 UNSUCCESSFULLY. PERFORMED GVI IN FORWARD EE CHECKED FLAP POSITION TRANSMITTER AND BELLCRANK NO DEFECTS NOTED- ALSO DROPPED MAIN WHEEL WELL DOORS AND PERFORMED GVI OF CABLE RUNS TOO INBOARD AND OUTBOARD FLAPS NO DEFECTS NOTED. PERFORMED TIMING CHECKS FLAP/SLAT IAW MD-10-10 AMM 27-50-00-5-1 OPS CHECKS PASSED. PERFORMED THIS TEST MULTIPLE TIMES- FLAP HANDLE WAS SMOOTH TO MOVE UP AND DOWN IN EACH DETENT. CHECKED FCC-1 AND FCC-2 NO FAULTS FOUND. ALSO OPERATED DIAL-A-INDICATOR FLAPS MOVED IN EACH COMMANDED DETENT.