As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 883 FLIGHT 5018 FROM CLT TO PGV: DURING TAXI OUT PILOT REPORTED LOSING NUMBER TWO HYD SYSTEM. AIRCRAFT WAS TOWED BACK TO GATE. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND THE LEFT OUTBOARD BRAKE PRESSURE LINE BROKEN. BRAKE LINE WAS REMOVED AND REPLACED. SYSTEM WAS BLEED AND OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE.