# SDR 9JLA2014011507160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2013
- Submitted: January 15, 2014
- Operation: Air carrier
- Aircraft: [N304HE](https://openairdocs.org/aircraft/N304HE), registered now
- Make and model: Raythn HAWKER800
- Aircraft serial: 258229
- Aircraft time: 5,783 hours, 3,142 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 7000700668
- Part serial: 00078756
- Condition: Defective
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2014011507160

## Discrepancy

THE FLIGHT CREW REPORTED THAT THE NR 2 ADC INDICATED AN INTERMITTENT OVER SPEED WARNING INFLIGHT & ON THE GND.  TROUBLESHOOTING OF THE NR 2 FOUND IT TO BE DEFECTIVE.  THE DEFECTIVE ADC WAS REMOVED PN 7000700-668, SN 00078756 & A REPAIRED UNIT WAS INSTALLED & TESTED IAW AMM 34-10-10.

---
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.