<< >> NASA ASRS Report 1404488, November 2016

B767 captain reported returning to departure airport after receiving a cabin altitude fault light; where the overpressure relief doors were found open.

Attributes
ACN	1404488
Time
Date	201611
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	B767-200
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Weight And Balance

Narrative:

Got a main cargo door light on climb out with no siren. Consulted the QRH; pressurization was normal; continued climb. At 31000 ft we got a cabin alt light. Called center; got a clearance to 10000 ft and a turned back to [departure airport]. Landed 11000 lbs over mlgw (maximum landing gear weight). After shutdown we found the overpressure relief doors open.

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Original NASA ASRS Text

Title: B767 Captain reported returning to departure airport after receiving a Cabin Altitude fault light; where the overpressure relief doors were found open.

Narrative: Got a main cargo door light on climb out with no siren. Consulted the QRH; pressurization was normal; continued climb. At 31000 ft we got a Cabin Alt light. Called Center; got a clearance to 10000 ft and a turned back to [departure airport]. Landed 11000 lbs over MLGW (Maximum Landing Gear Weight). After shutdown we found the overpressure relief doors open.

Data retrieved from NASA's ASRS site 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.