- Difficulty date
- January 20, 2020
- Submitted
- January 23, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35687
- Aircraft time
- 45,888 hours, 13,786 cycles
- Part
- Drive Unit
- Part number
- 6225135822
- Part serial
- 40F4C7
- Condition
- Failed
- Location
- Wx Radar Antenna
- Part time
- 24,708 hours, 7,300 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
CAPT'S ND: WXR FAIL ANNUNCIATED IN WX & WX+T MODES. FAILURE APPEARS INTERMITTENT. GROUNDED - YES. REMOVED & REPLACED THE WX RADAR R/T AND ANTENNA DRIVE UNIT IAW AMM 34-43-41 AND AMM 34-43-11, OPS NORMAL IAW AMM 34-43-00. GND VERIFICATION SUCCESSFUL.