As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH INTO LAX, SELECTED FLAPS 20 DEGREES AND FLAPS STOPPED AT 18 DEGREES. REMOVED AND REPLACED LEFT OUTBOARD NR 3 AND NR 4 FLAP ACTUATORS IAW CRJ MM 27-53-05. CYCLED FLAPS NUMEROUS TIMES. OPS CHECK GOOD ON GROUND. COMPLIED WITH AD 98-20-01.