As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A DIVERSION - LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. A/C DIVERTED TO DFW. MX DEFERRED LANDING GEAR IN DOWN POSITION PER MEL 32-30-01. PER TECH REQUEST R&R PROXIMITY DETECTOR PROCESSING UNIT, PER M/M CH 32-31-71-04. OPS CKS GOOD. PER TECH REPLACED RELAYS 94GB & 196B. OPS OK AT THIS TIME, STILL REQUIRES RELAY 246B & OPS CK. R/R RELAY 246B REQUIRES OPS CK. ACCOMPLISHED GEAR RETRACTION EXTENSION. OPS CK OK. THIS CLEARS M404932.