What was found
WEATHER RADAR DISPLAY IS NOT PRESENT WHEN WXR SELECTED ON EFIS CONTROL PANEL. REPLACED WEATHER RADAR DRIVE UNIT PER MM, TESTED OK.
- Difficulty date
- November 28, 2011
- Submitted
- December 8, 2011
- Operation
- Air carrier
- Aircraft
- N777UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26916
- Aircraft time
- 66,986 hours, 12,220 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 3442 · Weather Radar System
- Part
- Drive Unit
- Part number
- MR4318252
- Condition
- Failed
- Location
- Wx Radar Sys
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.