As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APP WHEN SELECTING FLAPS TO 30, FLAP UNLOCK LIGHT CAME ON . VERIFIED FLAPS AND DID NOT LOCK AT 30 DEGREES. FLAPS REMAINED BETWEEN 15 AND 30 DEGREES. FOLLOWED PROCEDURES IAW AOM 1 AND PERFORMED A FLAP 0 LANDING. PERFORMED OPS CHECK ON FLAP CONTROL SYS. SYS CHECKS GOOD IAW AMM 27-50-01.