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A C172 at 3500 ft in cruise experienced the cabin door top hinge failure causing the forward seam of the door to open.
| Attributes | |
| ACN | 374419 |
| Time | |
| Date | 199705 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : 9g8 |
| State Reference | PA |
| Altitude | msl bound lower : 3500 msl bound upper : 3500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob tower : bdr |
| Operator | general aviation : personal |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 10 flight time total : 115 flight time type : 20 |
| ASRS Report | 374419 |
| Person 2 | |
| Affiliation | Other |
| Function | observation : passenger |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa other other : unspecified cockpit |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Loud pop was heard and we noticed front seam of the door separated. The passenger held the door until landing at mt pleasant (P45). Upon inspection, we found the top hinge on the passenger door to be broken. The hinge on the door cracked through the rivets. Crack surface had rust on it and this was an old crack.
Original NASA ASRS Text
Title: A C172 AT 3500 FT IN CRUISE EXPERIENCED THE CABIN DOOR TOP HINGE FAILURE CAUSING THE FORWARD SEAM OF THE DOOR TO OPEN.
Narrative: LOUD POP WAS HEARD AND WE NOTICED FRONT SEAM OF THE DOOR SEPARATED. THE PAX HELD THE DOOR UNTIL LNDG AT MT PLEASANT (P45). UPON INSPECTION, WE FOUND THE TOP HINGE ON THE PAX DOOR TO BE BROKEN. THE HINGE ON THE DOOR CRACKED THROUGH THE RIVETS. CRACK SURFACE HAD RUST ON IT AND THIS WAS AN OLD CRACK.
Data retrieved from NASA's ASRS site as of July 2007 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.