What was found
RADAR HAS BEEN GIVING FALSE RETURNS AT FL390, 10 AND 2 OCLOCK POSITION AT ABOUT 5 MILES CONSISTENTLY COMES AND GOES. ACFT GROUNDED. REMOVED AND REPLACED THE RADAR TRANSCEIVER IAW AMM 34-43-41. OPS CHECKED GOOD.
- Difficulty date
- December 2, 2016
- Submitted
- December 5, 2016
- Operation
- Air carrier
- Aircraft
- N564AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35103
- Aircraft time
- 38,539 hours, 11,766 cycles
- System (JASC)
- 3442 · Weather Radar System
- Part
- Transceiver
- Part number
- 8221710002
- Part serial
- 40DG98
- Condition
- Failed
- Location
- Wx Radar Sys
- Part time
- 14,394 hours, 4,266 cycles
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.