What was found
WEATHER RADAR FAIL LIGHT, RADAR ALSO HAD A VIBRATION. ACFT GROUNDED. REMOVED AND REPLACED THE WEATHER RADAR ANTENNA DRIVE UNIT IAW AMM 34-43-11/401. WEATHER RADAR SYSTEM OPS TESTED GOOD IAW AMM 34-43-00-710-802-001.
- Difficulty date
- August 1, 2018
- Submitted
- August 6, 2018
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 21,300 hours, 6,953 cycles
- System (JASC)
- 3442 · Weather Radar System
- Part
- Drive Unit
- Part number
- 6225135822
- Part serial
- 40F85V
- Condition
- Failed
- Location
- Wx Radar Antenna
- Part time
- 21,777 hours, 7,129 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.