Service difficulty report · Antenna · Boeing 737890

Difficulty date
October 17, 2020
Submitted
October 19, 2020
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
32,499 hours, 9,366 cycles
Part
Antenna
Part number
6225135822
Part serial
41513N
Condition
Failed
Location
Wx Radar Sys
Part time
24,396 hours, 7,885 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

PWS FAIL AND WXR FAIL. GROUNDED-YES. REMOVED AND REPLACED WXR ANTENNA DRIVE UNIT. WXR SYSTEM OPERATIONAL TEST ACCOMPLISHED WITH NO DEFECTS NOTED, REF B737-800 AMM 34-43-11. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.