What was found
EMERGENCY DECLARED. FLIGHT RETURNED TO DEPARTURE DUE TO THE WEATHER RADAR FAILED. LANDING UNEVENTFUL. REMOVED AND REPLACED WEATHER RADAR ANTENNA DRIVE UNIT IAW DMC-B787-A-34-42-03-00A. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.
- Difficulty date
- May 29, 2017
- Submitted
- May 31, 2017
- Operation
- Air carrier
- Aircraft
- N821AN
- Make and model
- Boeing 7879
- Aircraft serial
- 40640
- Aircraft time
- 2,638 hours, 284 cycles
- System (JASC)
- 3442 · Weather Radar System
- Part
- Drive Unit
- Part number
- 673Z50064130
- Condition
- Failed
- Location
- Wx Radar Antenna
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.