Captain of an air carrier mdt reset the 'push button' for pressurization control valve which had accidentally been pushed and found on the next flight that the aircraft would not pressurize. Mechanics are requested to reset that button.

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Attributes
ACN	420989
Time
Date	199811
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : isp airport : isp
State Reference	NY
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Transport
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 225 flight time total : 2700 flight time type : 1000
ASRS Report	420989
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 84 flight time total : 13000 flight time type : 7500
ASRS Report	420850
Events
Anomaly	aircraft equipment problem : less severe non adherence other other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

A pusher light illuminated during trip due to an inadvertent push. The pusher was reset on the ground by the captain as opposed to a mechanic. On the subsequent flight the aircraft would not pressurize. The captain's actions were questioned and at that point the captain confessed and notified me of the occurrence.

Original NASA ASRS Text

Title: CAPT OF AN ACR MDT RESET THE 'PUSH BUTTON' FOR PRESSURIZATION CTL VALVE WHICH HAD ACCIDENTALLY BEEN PUSHED AND FOUND ON THE NEXT FLT THAT THE ACFT WOULD NOT PRESSURIZE. MECHS ARE REQUESTED TO RESET THAT BUTTON.

Narrative: A PUSHER LIGHT ILLUMINATED DURING TRIP DUE TO AN INADVERTENT PUSH. THE PUSHER WAS RESET ON THE GND BY THE CAPT AS OPPOSED TO A MECH. ON THE SUBSEQUENT FLT THE ACFT WOULD NOT PRESSURIZE. THE CAPT'S ACTIONS WERE QUESTIONED AND AT THAT POINT THE CAPT CONFESSED AND NOTIFIED ME OF THE OCCURRENCE.

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.