As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMANDED WX RADAR TEST ON TAKEOFF TWICE FOUND WEATHER RADAR CONTROL PANEL TEST SWITCH STICKING IN THE TEST POSITION. REQUIRES NEW PANEL M&E 29-3443-9-0008. NIS IN EWR. R/R WEATHER RADAR CONTROL PANEL I.A.W AMM REF# 34-43-91. PERFORMED INSTALLATION TEST GOOD. A/C OKAY TO CONTINUE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1804319 SN OFF 1654 PANEL, CONTROL, OFF 29-3443-9-0008 1654 ON 29-3443-9-0008 4016