As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAPS WOULD NOT EXTEND TO 45 DEGREES INBOUND TO CARLSBAD. COMPLIED WITH QRH PROCEDURE FOR FLAP DISAGREEMENT. RETURNED TO LAX. EXAMINED FLAP TRACKS AND ROLLERS FOR OUTBOARD FLAPS AND CLEANED AS NEEDED. OPERATED FLAP SYSTEMS 12 TIMES IAW 27-50-00 AND OPS CHECK GOOD AT THIS TIME.