Service difficulty report · Antenna · Boeing 737924ER

Difficulty date
August 30, 2021
Submitted
August 30, 2021
Operation
Air carrier
Aircraft
N81449
Make and model
Boeing 737924ER
Aircraft serial
31651
Aircraft time
29,595 hours, 10,634 cycles
Part
Antenna
Condition
Failed
Location
Wx Radar Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

WX RADAR FAILED AIRBORNE ANTENNA FAIL PWS FAIL REMOVED AND REPLACED WX RADAR DRIVE UNIT IAW AMM 34-43-11-400-802 ALSO REPLACED RECEIVER TRANSMITTER IAW AMM 34-43-41-400-801. WX RADAR SYSTEM OPS CHECK NORMAL AT THIS TIME. A/C IS OK TO CONTINUE. ADD EMP:223847 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1173392 SN OFF 0189 TT # 1997541 SN OFF 8118 ANTENNA, SINGLE OFF 29-3443-9-0009 0189 ON 29-3443-9-0009 4086 RECEIVER, TRANS OFF 29-3431-9-0012 8118 ON 29-3431-9-0012 4240