As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - CAPTAIN ADVISED VIA ACARS THE THE NR 1 HYD QTY WAS LOW AND LOST NOSE WHEEL STEERING. AN EMERGENCY WAS DECLARED AND THE A/C LANDED WITHOUT FURTHER INCIDENT. THE A/C WAS CHECKED, NO LEAKS WERE NOTED. SERVICED HYD NR 1 AND NR 2 SYSTEM. FOUND NR 1 HYDRO QTY TRANSMITTER CAUSING ERRATIC INDICATION. MAINTENANCE CLEANED THE ELECTRICAL CONNECTOR ON THE NR 1 HYDRAULIC SYSTEM QTY TRANSMITTER. (M)