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Unsafe landing gear indication on final approach causes B737-400 flight crew to make a fly-by go around for observation by tower. Following manual gear extension checklist provides safe gear indication and an uneventful landing.
| Attributes | |
| ACN | 784588 |
| Time | |
| Date | 200804 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 2200 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : go around |
| Flight Plan | IFR None |
| Person 1 | |
| Function | flight crew : captain |
| ASRS Report | 784588 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : landing gear wng lights other flight crewa |
| Resolutory Action | flight crew : landed in emergency condition flight crew : overcame equipment problem |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
During approach; we selected landing gear handle down. Right main gear indication was red. Declared emergency and asked tower to check our right main gear down. Overflew runway. Tower said that it appeared to be down. We ran the manual gear extension checklist and got a 3-GREEN indication. Landed without incident. The handling we received from ATC was outstanding and much appreciated. Consider renaming or adding a checklist for this situation. We ended up choosing the 'correct' checklist using process of elimination and trying to match the 'condition statement' to our situation.
Original NASA ASRS Text
Title: UNSAFE LANDING GEAR INDICATION ON FINAL APCH CAUSES B737-400 FLT CREW TO MAKE A FLY-BY GAR FOR OBSERVATION BY TOWER. FOLLOWING MANUAL GEAR EXTENSION CHECKLIST PROVIDES SAFE GEAR INDICATION AND AN UNEVENTFUL LNDG.
Narrative: DURING APCH; WE SELECTED LNDG GEAR HANDLE DOWN. R MAIN GEAR INDICATION WAS RED. DECLARED EMER AND ASKED TWR TO CHK OUR R MAIN GEAR DOWN. OVERFLEW RWY. TWR SAID THAT IT APPEARED TO BE DOWN. WE RAN THE MANUAL GEAR EXTENSION CHKLIST AND GOT A 3-GREEN INDICATION. LANDED WITHOUT INCIDENT. THE HANDLING WE RECEIVED FROM ATC WAS OUTSTANDING AND MUCH APPRECIATED. CONSIDER RENAMING OR ADDING A CHKLIST FOR THIS SITUATION. WE ENDED UP CHOOSING THE 'CORRECT' CHKLIST USING PROCESS OF ELIMINATION AND TRYING TO MATCH THE 'CONDITION STATEMENT' TO OUR SITUATION.
Data retrieved from NASA's ASRS site as of May 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.