# SDR DALA2014080104290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2014
- Submitted: August 1, 2014
- Operation: Air carrier
- Aircraft: [N934AT](https://openairdocs.org/aircraft/N934AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55070
- Aircraft time: 36,629 hours, 25,322 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Pitot Tube
- Condition: Malfunctioned
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2014080104290

## Discrepancy

PERFORMED AN AIR TURN BACK WHILE ENROUTE DUE TO VARYING INDICATIONS FROM ALL THREE AIRSPEED INDICATION SYSTEMS AS WELL AS MULTIPLE CORRESPONDING AIR DATA FAILURE/FAULT ANNUNCIATIONS. MAINTENANCE REPLACED ALL THREE PITOT PROBES AND PERFORMED THE REQUIRED LEAK AND FUNCTIONAL CHECKS. THE AUTOFLIGHT RTS CHECKS ALSO PASSED.  THE ACFT HAS RETURNED TO SERVICE.

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