What was found
RECEIVED A FLAPS FAIL WHEN SELECTING FLAPS 20 DURING APPROACH. REMOVED AND REPLACED LEFT BPSU IAW CRJ MM 27-51-10. OPS CHECK GOOD. P/N: 855D100-9, S/N ON: 316B, S/N OFF: 0811B.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RECEIVED A FLAPS FAIL WHEN SELECTING FLAPS 20 DURING APPROACH. REMOVED AND REPLACED LEFT BPSU IAW CRJ MM 27-51-10. OPS CHECK GOOD. P/N: 855D100-9, S/N ON: 316B, S/N OFF: 0811B.