As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH INTO ORL COULD NOT GET NOSE GEAR DOWN AND LOCK LIGHT. DID A GO-AROUND, RECYCLED GEAR THEN GOT ALL THREE DOWN AND LOCK LIGHTS. ON LANDING ALL BRAKES WERE WEAK. MAINTENANCE FOUND NR 4 POWER BRAKE VALVE BY-PASSING. REMOVED AND REPLACED VALVE OPS, CHECKS GOOD.