<< >> NASA ASRS Report 848058, August 2009

A B737-300 suffered loss of pressurization control; they descended and continued to planned destination.

Attributes
ACN	848058
Time
Date	200908
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Pressurization System
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 90
Person 2
Function	Pilot Not Flying First Officer
Experience	Flight Crew Last 90 Days 124
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

We were cleared to FL230 at FL225 got cabin altitude warning horn. We donned masks via memory items; started a smooth level off and descent request clearance to 10;000 ft. On descent we ran checklist and stabilized cabin. We leveled off at 10;000 ft; briefed the passengers and talked to dispatch. Dispatch and I agreed that flight could be safely continued to destination. No emergency was declared; no emergency descent was requested; and cabin climb was stopped at FL125 and stabilized manually when level at 10;000 ft. Aircraft landed uneventfully at our destination. The aircraft was taken out of service.

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Original NASA ASRS Text

Title: A B737-300 suffered loss of pressurization control; they descended and continued to planned destination.

Narrative: We were cleared to FL230 at FL225 got Cabin Altitude Warning Horn. We donned masks via memory items; started a smooth level off and descent request clearance to 10;000 FT. On descent we ran checklist and stabilized cabin. We leveled off at 10;000 FT; briefed the passengers and talked to Dispatch. Dispatch and I agreed that flight could be safely continued to destination. No emergency was declared; no emergency descent was requested; and cabin climb was stopped at FL125 and stabilized manually when level at 10;000 FT. Aircraft landed uneventfully at our destination. The aircraft was taken out of service.

Data retrieved from NASA's ASRS site as of April 2012 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.