Loss of pressurization Serious incident Boeing 737-230 Advanced CC-CTF,
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ASN Wikibase Occurrence # 68803
 
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Date:Friday 9 October 2009
Time:07:09
Type:Silhouette image of generic B732 model; specific model in this crash may look slightly different    
Boeing 737-230 Advanced
Owner/operator:Sky Airline
Registration: CC-CTF
MSN: 22122/721
Year of manufacture:1981
Fatalities:Fatalities: 0 / Occupants: 70
Aircraft damage: Minor
Category:Serious incident
Location:en route, near Concepción -   Chile
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Tepual Airport (PMC), Puerto Montt, Chile
Destination airport:Comodoro Arturo Merino Benítez International Airport (SCL), Santiago,
Investigating agency: DGAC Chile
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A Aerolínea Sky Boeing 737-200, flight H2-20 from Puerto Montt to Santiago (Chile), was enroute about halfway into the 500nm journey, when the airplane experienced a rapid decompression prompting the crew to initiate an emergency descent. The crew subsequently diverted to Concepcion's (Chile) Carriel Sur Airport, where the airplane landed safely.
Several passengers suffered from nose bleeding as result of the decompression.
The airline reported, that a hole opened in the airplane's pressure hull causing the decompression however no danger existed for the airplane or the occupants.

INCIDENT CAUSE
The most likely cause was the loss of cabin pressure in flight due to the failure of the "Cabin Pressure Control" in its Auto mode. This caused the cabin altitude to reach 14,000 feet, triggering the drop of the emergency oxygen masks.

Accident investigation:
cover
  
Investigating agency: DGAC Chile
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

[LINK NOT WORKING ANYMORE:http://www.latercera.com/contenido/654_190731_9.shtml]
https://www.dgac.gob.cl/wp-content/uploads/portalweb/rest-portalweb/jcr/repository/collaboration/sites%20content/live/dgac/categories/accidentes/investigacion/informestecnicos2009/documents/1535-20150504.pdf

Revision history:

Date/timeContributorUpdates
10-Oct-2009 23:21 jorgetadeu7 Added
10-May-2020 07:14 KagurazakaHanayo Updated [Time, Registration, Cn, Total fatalities, Total occupants, Other fatalities, Source, Narrative]
10-May-2020 07:15 harro Updated [Narrative, Accident report, ]

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