# SDR FDEA201511113554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2015
- Submitted: November 13, 2015
- Operation: Air carrier
- Aircraft: [N746FD](https://openairdocs.org/aircraft/N746FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 688
- Aircraft time: 55,300 hours, 20,420 cycles
- System (JASC): [3412 · Outside Air Temperature Indicator/Sensor](https://openairdocs.org/jasc/3412)
- Part: Control Unit
- Part number: K157ABM6
- Part serial: 52
- Condition: Failed
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201511113554

## Discrepancy

ON TAKEOFF ROLL AT APPROX 100 KIAS, BOTH CAPTAINS & FIRST OFFICERS PFD V SPEEDS DISAPPEARED.  DURING REJECT BOTH SETS OF V SPEEDS RETURNED.  R & R FLIGHT CONTROL UNIT.

---
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.