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B737-700 flight crew; fully configured for landing; reports a leading edge flaps transit light on the forward panel with no flap out of position on the overhead. The approach is continued and the light repeats but this time the number eight le flap shows intransit momentarily then green and a momentary stick shaker is felt. A normal landing ensues.
| Attributes | |
| ACN | 1148797 |
| Time | |
| Date | 201402 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Component | |
| Aircraft Component | Flap/Slat Indication |
| Person 1 | |
| Function | Pilot Flying Captain |
| Experience | Flight Crew Last 90 Days 197 |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Experience | Flight Crew Last 90 Days 287 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
We were on approach and were fully configured at 1;400 ft flaps 30 with a green leading edge flaps full extend light. Vref was 118; target was 123; and aircraft was approximately 130 knots. We got the leading edge flaps transit light on the forward panel. I asked the first officer to look up at the overhead panel to see what we had. He observed nothing out of the ordinary. While on speed; the red stall strip came up towards our vref and touched it causing a momentary stick shaker (one second). I disconnected the autopilot and pushed the power up a bit. There were no indications of a stall or any other control issues. We also confirmed visually the leading edge slats were in the full extend position. We did get the #8 leading edge slat momentary on approach for one second. I decided not to do a stall recovery because the aircraft was fully configured before I received the lef transit light. Also; the aircraft showed no asymmetric flight characteristics. We continued and landed without incident.
Original NASA ASRS Text
Title: B737-700 flight crew; fully configured for landing; reports a Leading Edge Flaps Transit light on the forward panel with no flap out of position on the overhead. The approach is continued and the light repeats but this time the number eight LE flap shows intransit momentarily then green and a momentary stick shaker is felt. A normal landing ensues.
Narrative: We were on approach and were fully configured at 1;400 FT flaps 30 with a green leading edge flaps full extend light. Vref was 118; target was 123; and aircraft was approximately 130 knots. We got the Leading Edge Flaps Transit light on the forward panel. I asked the First Officer to look up at the overhead panel to see what we had. He observed nothing out of the ordinary. While on speed; the red stall strip came up towards our Vref and touched it causing a momentary stick shaker (one second). I disconnected the autopilot and pushed the power up a bit. There were no indications of a stall or any other control issues. We also confirmed visually the leading edge slats were in the full extend position. We did get the #8 leading edge slat momentary on approach for one second. I decided not to do a stall recovery because the aircraft was fully configured before I received the LEF Transit light. Also; the aircraft showed no asymmetric flight characteristics. We continued and landed without incident.
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.