Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
May 29, 2021
Submitted
June 1, 2021
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
28,121 hours, 9,065 cycles
Part
Transceiver
Condition
Not Seated
Location
Wx Radar Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

IN CRUISE AT FL350 WITH WEATHER RADAR ON IN AUTO WX + T MODE, AMBER WXR FAIL ILLUMINATED ON ND. IN TEST MODE, PWS FAIL AND WXR FAIL ANT ARE DISPLAYED ON N.D. GROUNDED - YES. RESEATED WEATHER RADAR TRANSCEIVER AND ACCOMPLISHED BIT CHECK IAW B737-900 FIM 34-45 TASK 801. OPS CHECK NORMAL.