What was found
ON APPROACH, SELECTED FLAPS TO 20 DEGREES AND RECEIVED FLAPS FAIL. REMOVED AND REPLACED LEFT HAND BPSU, RIGGED LEFT HAND AND RIGHT HAND BPSU. OPERATIONAL CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON APPROACH, SELECTED FLAPS TO 20 DEGREES AND RECEIVED FLAPS FAIL. REMOVED AND REPLACED LEFT HAND BPSU, RIGGED LEFT HAND AND RIGHT HAND BPSU. OPERATIONAL CHECKED GOOD.