# SDR S2YA04011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2004
- Submitted: February 2, 2005
- Operation: Air carrier
- Aircraft: [N85SK](https://openairdocs.org/aircraft/N85SK), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE85
- Engine: Pwa PT6A67D
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Module
- Part number: D60286
- Condition: Failed
- Location: Adc
- Part time: 14,435 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S2YA04011

## Discrepancy

BEFORE FLIGHT, THE CREW NOTED THE TAWS FAILED RIGHT AFTER REACHING TAKE-OFF POWER.  THE CREW ABORTED THE TAKE-OFF AND RETURNED TO THE GATE.  MX INSPECTED THE SYSTEM AND COULD NOT CLEAR AN (ADC 1 INVALID) MESSAGE ON THE TAWS.  MX REPLACED THE AIR DATA MODULE AND RETURNED THE AC TO SERVICE WITH NO FURTHER DEFECTS. (D)

---
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.