What was found
PIB - FLT 5519 - ON TAXI OUT, PILOT HAD RIGHT DUCT OVERTEMP LIGHT AND ACRID SMELL/SMOKE IN CABIN. RETURNED TO RAMP. COOLING SYSTEM INSPECTED AND RENDERED INOPERATIVE PER MEL 21-01. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIB - FLT 5519 - ON TAXI OUT, PILOT HAD RIGHT DUCT OVERTEMP LIGHT AND ACRID SMELL/SMOKE IN CABIN. RETURNED TO RAMP. COOLING SYSTEM INSPECTED AND RENDERED INOPERATIVE PER MEL 21-01. (X)