# SDR ASMF200612003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2006
- Submitted: December 15, 2006
- Operation: Air carrier
- Aircraft: N583MD
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49659
- Aircraft time: 44,670 hours, 33,150 cycles
- Engine: Pwa JT8D219
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Cadc
- Part number: HG280D80
- Part serial: 322
- Condition: Failed
- Location: Right
- Part time: 19,303 hours, 11,680 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200612003

## Discrepancy

AIRCRAFT REJECTED TAKEOFF AT 90 KNOTS DUE TO A 15 KTS OF DIFFERENCE BETWEEN SPEED INDICATORS. CADC AND RT AIR SPEED INDICATOR WERE REPLACED IAW MM 34-16-01 AND 34-13-01, TESTED CORRECT.

---
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.