Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
June 4, 2021
Submitted
June 7, 2021
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
28,177 hours, 9,081 cycles
Part
Transceiver
Part number
8221710312
Part serial
41D839
Condition
Failed
Location
Wx Radar Sys
Part time
22,945 hours, 6,749 cycles
Stage of operation
NR
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

WXR FAIL SHOWS ON ND. GROUNDED - YES. REMOVED & REPLACED WXR RADAR RT AND INSTALL TEST NORMAL, OPENED & CLOSED 2 C/B B737-900 AMM 34-43-41/401, CONFIRMED PART EFFECTIVELY WITH AOG ENGINEERING, CLEARS MEL 34-15D, PLACARD REMOVED, SEAMC JAKE NOTIFIED..