As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR WOULD NOT EXTEND NORMALLY ON APPROACH OKC. DID QRH PROCEDURE AND A MANUAL EMER GEAR EXT, ALL NORMAL. LOST NWS ON TAXI INTO GATE. COULD NOT RESET. AS ON FIRST EXT AT 180 KIAS, TRIED TWO MORE NORMAL EXTENSIONS (NOTE NW STEERING HAD BEEN FAIRLY SENSITIVE PRIOR LEGS). REMOVED AND REPLACED MLG SOLENOID SELECTOR VALVE PER MM 32-33-10. CYCLED LANDING GEAR, OPS CHECKS GOOD. NO LEAKS NOTED. NOSE WHEEL STEERING OPS CHECKS GOOD.