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B737NG first officer reported a speed deviation occurred while they were dealing with an unreliable airspeed indicator.
| Attributes | |
| ACN | 1587896 |
| Time | |
| Date | 201810 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Airspeed Indicator |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Deviation - Speed All Types |
Narrative:
Descending through 35;000 feet we had an airspeed disagree flag. During the arrival we had altitude disagree and eec altitude both occur. We determined the captain (ca) side was giving erroneous information. His airspeed was displaying 10-35 knots different from the standby and first officer (first officer) side. [Center] asked us to slow to 210. A few minutes later ATC asked our speed. We told him 240 and [were] trying to get it down to 210 since we had an unreliable airspeed problem. He said to slow to 190 and that he would pass that info along to the next controller.
Original NASA ASRS Text
Title: B737NG First Officer reported a speed deviation occurred while they were dealing with an unreliable airspeed indicator.
Narrative: Descending through 35;000 feet we had an airspeed disagree flag. During the arrival we had altitude disagree and EEC ALT both occur. We determined the Captain (CA) side was giving erroneous information. His airspeed was displaying 10-35 knots different from the standby and First Officer (FO) side. [Center] asked us to slow to 210. A few minutes later ATC asked our speed. We told him 240 and [were] trying to get it down to 210 since we had an unreliable airspeed problem. He said to slow to 190 and that he would pass that info along to the next controller.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.