As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - FLT 4555 - DURING CLIMB-OUT, CREW NOTED NR 2 BRAKE OVERHEAT INDICATION WAS FLUCTUATING AND AT ONE POINT POINTER ON INDICATOR DISAPPEARED. CREW RETURNED TO LGA. AN EMERGENCY LANDING WAS DECLARED. AIRCRAFT LANDED SAFELY. NO FURTHER INCIDENTS WERE REPORTED. AFTER INSPECTING NOTED TO BE AN INDICATOR PROBLEM. MEL''D SYSTEM. REMOVED AND REPLACED NR 2 BRAKE TEMP SENSOR IAW AMM. OPS CHECK GOOD. (M)