What was found
(CAN) FLAPS FAIL C/M DISPLAYED IN CRUISE AT FL370. AIRCRAFT RETURNED TO BASE. REPEAT DEFECT 1)SKEW DETECTOR MT3 REPLACED AS PER AMM 27-52-45-400-802. SKEW DETECTOR MT2 REMOVED. 2)SKEW DETECTOR MT2 INSTALLED TASK 27-52-45-400-802 3)SKEW DETECTOR MT83 REPLACED IAW AMM CH TASK 27-52-45-400-801 4)RIGGING CARRIED OUT IAW TASK 27-52-45-820-801 NO FAULTS FOUND 5)OPERATIONAL TEST OF FLAP SYSTEM COMPLETED IAW TASK 27-50-00-710-801 NO FAULTS FOUND AR807096 6) SFECU #1 AND #2 SWAPPED IAW AMM TASK 27-51-05-400-801 IN REFERENCE WITH FIM TASK 27-52-45-810-815. MT82 CHECKED SERVICEABLE IAW AMM TASK 27-52-45-730-804. OPERATIONAL TEST OF THE FLAPS AND SLATS SYSTEM CARRIED OUT SERVICEABLE IAW AMM TASK 27-50-00-710-801. SFECU (TC# 20190813019)