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B737-200 flight crew reports stick shaker activation during transition from flaps 1 to flaps up at 210 KTS.
| Attributes | |
| ACN | 737111 |
| Time | |
| Date | 200704 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| State Reference | AK |
| Altitude | msl single value : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Ice |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : missed approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 2000 flight time type : 2000 |
| ASRS Report | 737111 |
| Person 2 | |
| Affiliation | company : air carrier |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | aircraft : equipment problem dissipated |
| Supplementary | |
| Problem Areas | Weather Aircraft |
| Primary Problem | Aircraft |
Narrative:
During a missed approach at approximately 2500 ft while transitioning from flaps 1 degrees to flaps up in level flight and 106000 pounds; the stick shaker activated for 2 seconds. Airspeed was 210 KTS indicated however I responded to the indication with a slight pitch down and added power. The aircraft responded normally and the event did not reoccur. There were icing conditions present during the approach however all anti-ice system operated normally. We are analyzing the fdr to investigate why the shaker would have activated at the IAS.
Original NASA ASRS Text
Title: B737-200 FLT CREW REPORTS STICK SHAKER ACTIVATION DURING TRANSITION FROM FLAPS 1 TO FLAPS UP AT 210 KTS.
Narrative: DURING A MISSED APCH AT APPROX 2500 FT WHILE TRANSITIONING FROM FLAPS 1 DEGS TO FLAPS UP IN LEVEL FLT AND 106000 LBS; THE STICK SHAKER ACTIVATED FOR 2 SECONDS. AIRSPD WAS 210 KTS INDICATED HOWEVER I RESPONDED TO THE INDICATION WITH A SLIGHT PITCH DOWN AND ADDED PWR. THE ACFT RESPONDED NORMALLY AND THE EVENT DID NOT REOCCUR. THERE WERE ICING CONDITIONS PRESENT DURING THE APCH HOWEVER ALL ANTI-ICE SYS OPERATED NORMALLY. WE ARE ANALYZING THE FDR TO INVESTIGATE WHY THE SHAKER WOULD HAVE ACTIVATED AT THE IAS.
Data retrieved from NASA's ASRS site as of January 2009 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.