As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED- FLAP FAIL ON APPROACH INTO GUC. DIVERTED TO BJC AND CONDUCTED A FLAP 0 LANDING WITHOUT INCIDENT. CORR ACTION MX TROUBLESHOT TO BAD LH VELOCITY SENSOR. R&R'D SENSOR PN 363350-1003 SN 85757 ON & PN 363350-1003 SN 09365 OFF. ALL OPS TESTS GOOD.