Service difficulty report · Drive Unit · Boeing 76731K

Difficulty date
February 23, 2021
Submitted
February 24, 2021
Operation
Air carrier
Aircraft
N1487A
Make and model
Boeing 76731K
Aircraft serial
28865
Aircraft time
89,342 hours, 18,562 cycles
Part
Drive Unit
Part number
20414440402
Part serial
3817
Condition
Failed
Location
Wx Radar
Stage of operation
CL
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

ON CLIMB OUT GOT WX FAIL ON LOWER DISPLAYS ACCOMPANIED BY WXR SYS STATUS MSG. THIS IS A RECURRING PROBLEM AND HAS BEEN WRITTEN UP MULTIPLE TIMES.(REMOVED AND REPLACED WX RADAR DRIVE UNIT IAW AMM 34-43-07. OPS CHECK GOOD. T/S PER FIM 34-43 FT 805 TO B18.50. ANTENNA FAIL.)

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