# SDR 2007UALA04348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2007
- Submitted: October 26, 2007
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 45,982 hours, 6,942 cycles
- Engine: Pwa PW4090
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Unit
- Part number: 20414440402
- Condition: Failed
- Location: Wx Radar Sys
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA04348

## Discrepancy

WEATHER RADAR SYSTEM FAILURE.   REPLACED RADAR ANTENNA DRIVE UNIT, OPS CHEKS OK. SUSPECT BAD ANTENNA CONNECTION. AC OK FOR SERVICE
         


---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.