As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI IN OAK, TILLER WOULD NOT TURN TO THE LEFT, OK TO THE RIGHT. ALL HYD. PRESS GOOD. REMOVED AND REPLACED STEERING METERING VALVE IAW 727/200 MM 32-51-021-4. SYSTEM CKS NORMAL ALSO NO LEAKS. R/I FROM FACT PREMATURE REMOVAL/INSTALLATION OFF MFG 1692RA12.