Service difficulty report · Pedestal · Boeing 737990ER

Difficulty date
March 23, 2023
Submitted
March 27, 2023
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
38,399 hours, 12,228 cycles
Part
Pedestal
Part number
6225135822
Part serial
40FY7X
Condition
Failed
Location
Nose Radome
Part time
29,634 hours, 8,712 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

WXR FAILED WHEN ACTIVATED. GROUNDED - YES. VERIFIED WXR TEST SHOWS ANTENNA FAIL. REF B737-900 FIM 34-43 TASK 801. REMOVED AND INSTALLED NEW WXR ANTENNA DRIVE UNIT PER B737-900 AMM 34-43-11/401, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.