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B737 captain experienced unsafe nose gear indication at FL340. After discussion with company crew was instructed to over fly their destination and land at alternate. Nose gear remained unsafe after extension and crew performed a manual gear extension and partial gear-up landing checklists. Uneventful landing ensued.
| Attributes | |
| ACN | 850424 |
| Time | |
| Date | 200909 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Landing Gear Indicating System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Enroute at FL340 we got a red nose gear unsafe light with a flickering green down and locked light. After talking to maintenance control and dispatch the decision was made to overfly our destination and continue to ZZZ. We lowered the gear. With the gear down our nose gear green light was intermittent accompanied with a gear unsafe warning horn. We did a tower flyby; ran the manual gear extension and partial gear up landing checklist; declared an emergency and had the flight attendants prepare the cabin. After landing we came to a complete stop on the runway to have maintenance install the gear pins; and then continued to the gate.
Original NASA ASRS Text
Title: B737 Captain experienced unsafe nose gear indication at FL340. After discussion with company crew was instructed to over fly their destination and land at alternate. Nose gear remained unsafe after extension and crew performed a manual gear extension and partial gear-up landing checklists. Uneventful landing ensued.
Narrative: Enroute at FL340 we got a RED nose gear unsafe light with a flickering GREEN down and locked light. After talking to Maintenance Control and Dispatch the decision was made to overfly our destination and continue to ZZZ. We lowered the gear. With the gear down our nose gear GREEN light was intermittent accompanied with a gear unsafe warning horn. We did a Tower flyby; ran the manual gear extension and partial gear up landing checklist; declared an emergency and had the flight attendants prepare the cabin. After landing we came to a complete stop on the runway to have Maintenance install the gear pins; and then continued to the gate.
Data retrieved from NASA's ASRS site as of April 2012 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.