# SDR DXTA2010120204343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2010
- Submitted: December 2, 2010
- Operation: Air carrier
- Aircraft: [N945QS](https://openairdocs.org/aircraft/N945QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500029
- Aircraft time: 10,898 hours, 7,322 cycles
- Engine: Allsn AE3007C
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Rmu
- Part number: 7013270963
- Part serial: 07035671
- Condition: Failed
- Location: Nr 2
- Part time: 743 hours, 463 cycles
- Stage of operation: CL
- 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/DXTA2010120204343

## Discrepancy

NR 2 RMU FAILED.  SCREEN BLACK BUT LINE SELECT LIGHTS WERE FLASHING ON AND OFF, TOXIC FUMES IN COCKPIT ELECTRICAL IN NATURE.  REMOVED FAULTY NR 2 RMU, INSTALLED TESTED/INSPECTED RMU IN NR 2 POSITION IAW MM 23-80-01, OPS CHECKED GOOD.

---
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.