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A319 flight crew and dispatcher reported loss of cabin pressurization due to failure of only operating pack during single pack operations.
| Attributes | |
| ACN | 1673187 |
| Time | |
| Date | 201908 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Conditioning and Pressurization Pack |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Relief Pilot First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural MEL Deviation - Procedural Published Material / Policy |
Narrative:
I was the PF (pilot flying). Flight was dispatched from ZZZZ to ZZZ2 with pack 2 on MEL. Normal take off; on climb I noticed cabin altitude at 13;000 ft.; I yelled out cabin altitude is high; emergency descent. We descended to 10;000 ft. No masks dropped. At 10;000 ft.; we assessed problem. Pack 1 now failed. I told captain [to advise ATC] and divert to ZZZ1. Captain agreed and [sent] ACARS [message to] dispatch. Dispatch said no; go to ZZZZ. Now we are overweight. We held for a while to burn off approximately 22;000 ft. Landed uneventfully. Crash fire rescue equipment (crash fire rescue) called out as well as paramedics. Cabin was getting hot. Captain kept calling flight attendant (flight attendants) to check up on them and passengers due to heat in back. We landed underweight. Also no ECAM warning was ever received as pack 1 failed. No warning; no bells; no horns; etc. My ears were normal on climb out. No popping until I caught the cabin climbing.
Original NASA ASRS Text
Title: A319 flight crew and Dispatcher reported loss of cabin pressurization due to failure of only operating pack during single pack operations.
Narrative: I was the PF (Pilot Flying). Flight was dispatched from ZZZZ to ZZZ2 with Pack 2 on MEL. Normal take off; on climb I noticed cabin altitude at 13;000 ft.; I yelled out cabin altitude is high; emergency descent. We descended to 10;000 ft. no masks dropped. At 10;000 ft.; we assessed problem. Pack 1 now failed. I told Captain [to advise ATC] and divert to ZZZ1. Captain agreed and [sent] ACARS [message to] Dispatch. Dispatch said no; go to ZZZZ. Now we are overweight. We held for a while to burn off approximately 22;000 ft. Landed uneventfully. CFR (Crash Fire Rescue) called out as well as paramedics. Cabin was getting hot. Captain kept calling FA (Flight Attendants) to check up on them and passengers due to heat in back. We landed underweight. Also no ECAM warning was ever received as pack 1 failed. No warning; no bells; no horns; etc. My ears were normal on climb out. No popping until I caught the cabin climbing.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.