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Airlift Northwest - Non-injury incident



Date: 9/22/2010 1530 PDT

Program: Airlift Northwest
	6987 Perimeter Rd S
	#110
	Seattle, WA 98108

Type: EC135
Tail #: N952AL
Operator/Vendor: Air Methods Corp

Weather: Clear. Not a factor

Team: Pilot, 2 flight nurses. No injuries reported. No patient. 

Description: 
	While at cruise altitude, a popping noise was heard and a pressure
	change felt, followed shortly thereafter by the left clamshell door
	opening. The pilot notified the Communication Center of his intent to
	make a precautionary landing at Paine Field (KPAE)and the
	precautionary landing PAIP was started. 
	
	Upon hover to land the right clamshell door opened. Otherwise the
	landing was uneventful. 
	
	A mechanic and the on-coming pilot drove to the airport. The door
	latching mechanism was inspected and found to be undamaged. The
	aircraft was test flown and returned to service.

Additional Info: 
	In the maintenance hangar the next day, the door latch mechanism was
	compared to that in the backup aircraft and was found to be more
	easily opened, using slight finger pressure. The latch mechanism was
	replaced and all other aircraft were insepected.

Source: Chris Martin, Executive Director

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The CONCERN network shares verified information to alert medical transport
programs when an accident / incident has occurred. Please share the above
information with your program staff. If you have further questions, please
contact the CONCERN Coordinator, David Kearns at 800 525 3712 or email:
coordinator@concern-network.org.

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