What was found
DURING APPROACH AFTER CALLING FOR FLAPS 5, REALIZED THE FLAPS WERE STUCK IN THE 1 POSITION WITH AN ASYMMETRICAL INDICATION. RAN THE QRH PROCEDURES, FLAPS WOULD NOT COME UP OR DOWN. SWAPPED NR 4 AND NR 5 SKEW SENSORS AND PROBLEM FOLLOWED. REPLACED NR 4 SKEW SENSOR IAW 27-59. ALL RTS AND OPS CHECKS PASSED.