# SDR CALA2014071191438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2014
- Submitted: July 11, 2014
- Operation: Air carrier
- Aircraft: [N210UA](https://openairdocs.org/aircraft/N210UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30216
- Aircraft time: 51,881 hours, 11,153 cycles
- Engine: Pwa PW4077
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit & Cabin
- Stage of operation: UK
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014071191438

## Discrepancy

ELECTRICAL BURNING SMELL IN COCKPIT & FRONT CABIN DOOR.  ODOR REPORTED IN GATE.  SMELL ONLY ISOLATED TO LT TRIM AIR SYS, REGARDLESS OF AIR SOURCE.  ENG RUN ACCOMPLISHED BY CREW & NO ODORS WHEN LT MASTER TRIM AIR IS SELECTED OFF.  ENG RUN CHECKS ACCOMPLISHED IAW AMM05-51-50 WITH LT TRIM OFF, ODORS DISSIPATED IN COCKPIT.  CABIN ALSO CLEAR.

---
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.