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B737-400 level latch relay failed, making it impossible to raise the landing gear handle. Gear was retracted using the override trigger on the gear handle. Flight proceeded normally.
| Attributes | |
| ACN | 359068 |
| Time | |
| Date | 199701 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : bos |
| State Reference | MA |
| Altitude | agl bound lower : 100 agl bound upper : 100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tower : bos |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : commercial pilot : cfi pilot : atp pilot : instrument |
| Experience | flight time total : 15000 |
| ASRS Report | 359068 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
After takeoff, landing gear failed to retract normally. Checklist procedure determined landing gear lever latch solenoid failure. Gear retracted through use of landing gear handle override trigger. Dispatcher concurred with decision to proceed to destination. Landed normally.
Original NASA ASRS Text
Title: B737-400 LEVEL LATCH RELAY FAILED, MAKING IT IMPOSSIBLE TO RAISE THE LNDG GEAR HANDLE. GEAR WAS RETRACTED USING THE OVERRIDE TRIGGER ON THE GEAR HANDLE. FLT PROCEEDED NORMALLY.
Narrative: AFTER TKOF, LNDG GEAR FAILED TO RETRACT NORMALLY. CHKLIST PROC DETERMINED LNDG GEAR LEVER LATCH SOLENOID FAILURE. GEAR RETRACTED THROUGH USE OF LNDG GEAR HANDLE OVERRIDE TRIGGER. DISPATCHER CONCURRED WITH DECISION TO PROCEED TO DEST. LANDED NORMALLY.
Data retrieved from NASA's ASRS site as of July 2007 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.