# SDR CA150417001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2015
- Submitted: August 5, 2015
- Operation: General aviation
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft time: 24,202 hours
- Engine: Cfmint CFM567B26US
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Tube
- Part number: 0851HT1
- Condition: Fod
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150417001

## Discrepancy

(CAN) PASSING THROUGH 3500 FT IN CLIMB , CAPTAIN AIRSPEED INDICATION BLED FROM 250 KNOTS TO 145 KNOTS AND STABILIZED, WHILE F/O AND STAND-BY AIRSPEED INDICATOR WERE STABLE AT 250 KNOTS.  ACFT DIVERTED AND LANDED NORMALLY.  INVESTIGATION FOUND THAT THE CAPT`S PITOT TUBE WAS CONTAMINATED WITH AN INSECTS.  CAPTS PITOT SYSTEM WAS PURGES AND CLEARED. AS PRECAUTIONARY MEASURES, THE CAPT`S AIR DATA MODULE, ADM, WAS ALSO REPLACED. AIRSPEED SYSTEM WAS TESTED SERVICEABLE AND ACFT RETURNED TO SERVICE.

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