# SDR UALA2012110706406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2012
- Submitted: December 3, 2012
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 68,762 hours, 9,885 cycles
- Engine: Pwa PW40903
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Weu
- Part number: 285W0015101
- Part serial: D00167
- Condition: Faulty
- Location: Left
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012110706406

## Discrepancy

CONFIG PARKING BRAKE PARKING BRAKE SET AND TAKEOFF THRUST SELECTED ON ENGINE LT OR RT WARNING.  CREW COMMENTS: INTERMITTENT.  REPLACED LEFT WEU PER MM, CONFIRMED OPS AND OPC.  WEU AND STALL WARNING GRD TEST PASSED.  NO MSG.  INSTALLED JAL NON-POOL PART, P/N 285W0015-102, S N D00135.

---
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.
