As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MAINTENANCE MESSAGE FOR EQUIP COOLING BITE DISPLAYED. ACCOMPLISHED EQUIP COOLING BITE TEST IAW FIM 21-58 F/T 873 FOUND INTERCONNECT VALVE TO BE STICKING AND SLOW, REMOVED AND REPLACED INTERCONNECT VALVE IAW AMM 21-58-01, VALVE OPS CHECKED GOOD, NO MESSAGE, GOOD BITE CHECK OF CONTROLLER.