As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PUSH BACK AFTER ENGINE START STATUS MSG OF LDG GEAR MONITOR CAME ON, AC RETURNED TO THE GATE (BTB), MTX GROUNDED AC AND TROUBLESHOT, USING B767 FIM 32-09. FT 803. REMOVED AND REPLACED PSEU, IAW B767 AMM 32-09-04. AND CLEANED SENSOR S234 AND S235. PERFORMED BITE CHECK OF PSEU OPS CHECK GOOD . MTX RETURNED AC TO SERVICE.