 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Flight crew of an medium large transport returned to land after being unable to retract the landing gear which was determined to be caused by a faulty air ground sensor switch. The aircraft was landed overweight.
| Attributes | |
| ACN | 390463 |
| Time | |
| Date | 199801 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sea |
| State Reference | WA |
| Altitude | agl bound lower : 1000 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sea |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 8000 flight time type : 4000 |
| ASRS Report | 390463 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : published procedure non adherence other other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
On takeoff, air-to-ground sensor failed and could not retract the landing gear. Followed the abnormal procedures and landed at the nearest suitable, seatac international. Accomplished an overweight landing that was normal. Also exceeded the maximum in-flight weight for flaps 30 degrees (108000 pounds), taxied to gate and completed maintenance log.
Original NASA ASRS Text
Title: FLC OF AN MLG RETURNED TO LAND AFTER BEING UNABLE TO RETRACT THE LNDG GEAR WHICH WAS DETERMINED TO BE CAUSED BY A FAULTY AIR GND SENSOR SWITCH. THE ACFT WAS LANDED OVERWT.
Narrative: ON TKOF, AIR-TO-GND SENSOR FAILED AND COULD NOT RETRACT THE LNDG GEAR. FOLLOWED THE ABNORMAL PROCS AND LANDED AT THE NEAREST SUITABLE, SEATAC INTL. ACCOMPLISHED AN OVERWT LNDG THAT WAS NORMAL. ALSO EXCEEDED THE MAX INFLT WT FOR FLAPS 30 DEGS (108000 LBS), TAXIED TO GATE AND COMPLETED MAINT LOG.
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.