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B757 first officer reported loss of cabin pressure that led to a decision to divert. After landing a failed heat exchanger was found.
| Attributes | |
| ACN | 1273305 |
| Time | |
| Date | 201506 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Conditioning and Pressurization Pack |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
FL300. Cabin pressure climbed to 10;000 feet. Diverted after [requesting a] clearance to a lower altitude. Ran proper checklists. After landing found out heat exchanger failed at weld point. No injuries. Overweight landing uneventful.
Original NASA ASRS Text
Title: B757 FO reported loss of cabin pressure that led to a decision to divert. After landing a failed heat exchanger was found.
Narrative: FL300. Cabin pressure climbed to 10;000 feet. Diverted after [requesting a] clearance to a lower altitude. Ran proper checklists. After landing found out heat exchanger failed at weld point. No injuries. Overweight landing uneventful.
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.