What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) During departure and climb out of cvg, delta flt. 9221 had a left air conditioning pack temperature high indication and the crew shut the left pack off. Then the right air conditioning pack shut down due to a blown duct. Passenger oxygen masks were deployed when cabin exceeded 14,000 ft. aircraft diverted to sdf and passeners were deplaned on the runway using the aft airstairs. Aircraft was ferried back to cvg as flight 9935 for maintenance. Troubleshooting disclosed that the left and right aug. Valve "down stream" sense lines were capped off. Also discovered, right duct at acm discharge disconnected. Talks with delta personnel verified that maintenance was performed in affected areas the night before scheduled flt 9221.
As the FAA filed it
(-23) DURING DEPARTURE AND CLIMB OUT OF CVG, DELTA FLT. 9221 HAD A LEFT AIR CONDITIONING PACK TEMPERATURE HIGH INDICATION AND THE CREW SHUT THE LEFT PACK OFF. THEN THE RIGHT AIR CONDITIONING PACK SHUT DOWN DUE TO A BLOWN DUCT. PASSENGER OXYGEN MASKS WERE DEPLOYED WHEN CABIN EXCEEDED 14,000 FT. AIRCRAFT DIVERTED TO SDF AND PASSENERS WERE DEPLANED ON THE RUNWAY USING THE AFT AIRSTAIRS. AIRCRAFT WAS FERRIED BACK TO CVG AS FLIGHT 9935 FOR MAINTENANCE. TROUBLESHOOTING DISCLOSED THAT THE LEFT AND RIGHT AUG. VALVE "DOWN STREAM" SENSE LINES WERE CAPPED OFF. ALSO DISCOVERED, RIGHT DUCT AT ACM DISCHARGE DISCONNECTED. TALKS WITH DELTA PERSONNEL VERIFIED THAT MAINTENANCE WAS PERFORMED IN AFFECTED AREAS THE NIGHT BEFORE SCHEDULED FLT 9221.
Other reports on N981DL · 2
Matched to the same aircraft by N-number and date.