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LJ60 fails to depressurize fully after landing. When released; cabin door opens explosively but without apparent damage to aircraft.
| Attributes | |
| ACN | 778406 |
| Time | |
| Date | 200803 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : psp.tower |
| Operator | common carrier : charter |
| Make Model Name | Learjet 60 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | ground : parked |
| Person 1 | |
| Affiliation | company : charter |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| ASRS Report | 778406 |
| Person 2 | |
| Affiliation | company : charter |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
After landing and shutting down; the captain got out of his seat to open the door for the passenger. I was still in my seat when I heard a loud sound and felt my ears pop. The captain said the door opened forcefully to the full open and locked position when he rotated the door handle. We recognized this as the cabin not being fully depressurized when the door was opened. I verified that the cabin air switch was in the off position and that the cabin altitude selector was set to the field elevation. The passenger verbally expressed that they were startled and asked what had happened. They then deplaned without further incident.
Original NASA ASRS Text
Title: LJ60 FAILS TO DEPRESSURIZE FULLY AFTER LNDG. WHEN RELEASED; CABIN DOOR OPENS EXPLOSIVELY BUT WITHOUT APPARENT DAMAGE TO ACFT.
Narrative: AFTER LNDG AND SHUTTING DOWN; THE CAPT GOT OUT OF HIS SEAT TO OPEN THE DOOR FOR THE PAX. I WAS STILL IN MY SEAT WHEN I HEARD A LOUD SOUND AND FELT MY EARS POP. THE CAPT SAID THE DOOR OPENED FORCEFULLY TO THE FULL OPEN AND LOCKED POS WHEN HE ROTATED THE DOOR HANDLE. WE RECOGNIZED THIS AS THE CABIN NOT BEING FULLY DEPRESSURIZED WHEN THE DOOR WAS OPENED. I VERIFIED THAT THE CABIN AIR SWITCH WAS IN THE OFF POS AND THAT THE CABIN ALT SELECTOR WAS SET TO THE FIELD ELEVATION. THE PAX VERBALLY EXPRESSED THAT THEY WERE STARTLED AND ASKED WHAT HAD HAPPENED. THEY THEN DEPLANED WITHOUT FURTHER INCIDENT.
Data retrieved from NASA's ASRS site as of May 2009 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.