As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE WARNING AFTER GEAR RETRACTION ON T/O-C/A-T/S AND FOUND B CODE B1-0060112 IN THE MDC FOUND A LARGE AMOUNT OF AIR IN THE #3 HYD SYSTEM PERFORMED BLEEDING OF THE #3 HYD SYSTEM IAW CRJ 700 AMM 29-10-00 OPT'S CHECKED LANDING GEAR IAW CRJ 700 AMM 32-30-00 OPTS CHECK GOOD