Air carrier aircraft, unable to pressurize, returns to land at ewr.

Attributes
ACN	409169
Time
Date	199807
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : sbj airport : ewr
State Reference	NJ
Altitude	msl bound lower : 7000 msl bound upper : 7000
Environment
Flight Conditions	Mixed
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : ewr
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 16000 flight time type : 4000
ASRS Report	409169
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	controller : issued new clearance none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Aircraft would not pressurize. All cockpit indications normal. Returned to ewr. Postflt inspection showed electronics door open. Wire to indicator switch for door warning was broken.

Original NASA ASRS Text

Title: ACR ACFT, UNABLE TO PRESSURIZE, RETURNS TO LAND AT EWR.

Narrative: ACFT WOULD NOT PRESSURIZE. ALL COCKPIT INDICATIONS NORMAL. RETURNED TO EWR. POSTFLT INSPECTION SHOWED ELECTRONICS DOOR OPEN. WIRE TO INDICATOR SWITCH FOR DOOR WARNING WAS BROKEN.

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.