# SDR UALA2012090404940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2012
- Submitted: October 31, 2012
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 67,956 hours, 9,785 cycles
- Engine: Pwa PW40903
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Relay
- Condition: Faulty
- Location: Proximity Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012090404940

## Discrepancy

GND PROX SYS EICAS MSG.  MAINT MESSEGE 34-46060 REPLACED K34003 AND K34004 RELAY TERRAIN SYSTEM TESTED NORMAL ON GRD.

---
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.