<< >> NASA ASRS Report 370410, June 1997

A DC9-30 shortly after takeoff was unable to pressurize due to an improperly installed emergency exit door.

Attributes
ACN	370410
Time
Date	199706
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Light	Night
Aircraft 1
Operator	general aviation : instructional
Make Model Name	DC-9 30
Operating Under FAR Part	Part 121
Flight Phase	other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
Experience	controller military : 8
ASRS Report	370410
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical non adherence : published procedure non adherence : far other anomaly other
Independent Detector	other flight crewa other other : unspecified cockpit
Resolutory Action	other
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

On takeoff from ZZZ, aircraft would not pressurize. Upon returning to ZZZ, further inspection discovered the aircraft aft/right overwing emergency exit door was incorrectly installed. Another mechanic correctly installed the door and aircraft departed ZZZ without further incident. I had been working on the right wing and was using the overwing exit. I would like to note that many personnel have access to aircraft and had been on aircraft after I reinstalled the door.

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Original NASA ASRS Text

Title: A DC9-30 SHORTLY AFTER TKOF WAS UNABLE TO PRESSURIZE DUE TO AN IMPROPERLY INSTALLED EMER EXIT DOOR.

Narrative: ON TKOF FROM ZZZ, ACFT WOULD NOT PRESSURIZE. UPON RETURNING TO ZZZ, FURTHER INSPECTION DISCOVERED THE ACFT AFT/R OVERWING EMER EXIT DOOR WAS INCORRECTLY INSTALLED. ANOTHER MECH CORRECTLY INSTALLED THE DOOR AND ACFT DEPARTED ZZZ WITHOUT FURTHER INCIDENT. I HAD BEEN WORKING ON THE R WING AND WAS USING THE OVERWING EXIT. I WOULD LIKE TO NOTE THAT MANY PERSONNEL HAVE ACCESS TO ACFT AND HAD BEEN ON ACFT AFTER I REINSTALLED THE DOOR.

Data retrieved from NASA's ASRS site as of July 2007 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.