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Dc-9 flight crew reported a loss of cabin pressure during climb out due to a pallet jack becoming unsecured and puncturing the bulkhead.
| Attributes | |
| ACN | 1506245 |
| Time | |
| Date | 201712 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Cargo Restraint/Tie Down |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On climb out lost pressurization. Master warning for cabin altitude illuminated. Performed emergency procedure and notified ATC and began a descent. Descended to 10;000 ft MSL. Received clearance back to [the departure airport]. Upon inspection it was found that cargo floor retaining ring had failed allowing pallet jack to roll back and hit rear bulkhead. The bulkhead appeared to be damaged and be the cause of pressurization loss.
Original NASA ASRS Text
Title: DC-9 flight crew reported a loss of cabin pressure during climb out due to a pallet jack becoming unsecured and puncturing the bulkhead.
Narrative: On climb out lost pressurization. Master Warning for cabin altitude illuminated. Performed emergency procedure and notified ATC and began a descent. Descended to 10;000 ft MSL. Received clearance back to [the departure airport]. Upon inspection it was found that cargo floor retaining ring had failed allowing pallet jack to roll back and hit rear bulkhead. The bulkhead appeared to be damaged and be the cause of pressurization loss.
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.