Narrative:

An A319 arrived with ECAM warning navigation predictive windshear detection fault; after engine shutdown. I found part number (P/north) #X weather transceiver (WX TR) installed. Aircraft had an engineering order to change windshear detection system; if hit again. I replaced the WX TR with P/north #Y. But the radar failed to displaya test pattern and failed to test. Called the line maintenance supervisor and got permission to reinstall P/north #X into the aircraft. Weather radar transceiver tested 'normal' per MM 34-41-00.

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Original NASA ASRS Text

Title: A Line Mechanic reports an A319 arrived with an ECAM warning of Navigation Predictive Windshear Detection Fault; after engine shutdown. The weather transceiver was replaced with a part number (P/N) different than the one removed.

Narrative: An A319 arrived with ECAM Warning Navigation Predictive Windshear Detection Fault; after engine shutdown. I found Part Number (P/N) #X weather transceiver (WX TR) installed. Aircraft had an Engineering Order to change WINDSHEAR DETECTION system; if hit again. I replaced the WX TR WITH P/N #Y. But the radar failed to displaya test pattern and failed to test. Called the Line Maintenance Supervisor and got permission to reinstall P/N #X into the aircraft. Weather radar transceiver tested 'Normal' per MM 34-41-00.

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.