# SDR FDEA201406031293

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2014
- Submitted: June 3, 2014
- Operation: Air carrier
- Aircraft: [N912FD](https://openairdocs.org/aircraft/N912FD), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 24260
- Aircraft time: 63,169 hours, 21,629 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 4040800912
- Part serial: 86050856
- Condition: Failed
- Location: Left
- Part time: 196 hours, 125 cycles
- 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/FDEA201406031293

## Discrepancy

UPON TAKEOFF ROLL CAPTAIN`S SPEED TAPE, ALTIMETER & VVSI STARTED TO FLASH INTERMITTENTLY, THEN FASTER, THEN FAILED.  PERFORMED LOW SPEED REJECT.  R & R LT ADC IAW 34-12-01-4.  ACCOMPLISHED OPERATIONAL TEST IAW 34-12-00-5 & ACCOMPLISHED TEST 30 IAW AMM 22-00-00, NO DEFECTS  NOTED.  ACFT REMAINS CAT III & RVSM IAW GMM 6-5-495.

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