What was found
FLIGHT 5049 - DURING CLIMB, CRUISE AND DESCENT LOUD BANGING ACCOMPANIED WITH CONTROL WHEEL VIB. FOUND HYD HEAT EXCHANGER FAN BINDING, REMOVED AND REPLACED HEAT EXCHANGER ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5049 - DURING CLIMB, CRUISE AND DESCENT LOUD BANGING ACCOMPANIED WITH CONTROL WHEEL VIB. FOUND HYD HEAT EXCHANGER FAN BINDING, REMOVED AND REPLACED HEAT EXCHANGER ASSY.