Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
September 21, 2013
Submitted
September 23, 2013
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
1,523 hours, 501 cycles
Engine
Cfmint CFM567B27
Part
Warning Message
Condition
False Activation
Location
Wx Radar Sys
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON APPROACH PWS AND WEATHER RADAR FAIL LIGHTS ILLUMINATED. ACFT GROUNDED. NO HISTORY OF FAULT LAST 30 DAYS. PERFORMED WEATHER RADAR SYS BITE PROCEDURE REF FIM 34-43 TASK 801 NO FAULTS. GROUND FUNCTIONAL TEST OF WX RADAR/PWS PASSED NO FAULTS.