 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
An A321 flight crew reported the normal gear extend system failed to deploy the landing gear; so they used the backup gravity system.
| Attributes | |
| ACN | 1291414 |
| Time | |
| Date | 201508 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | A321 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Gear Extend/Retract Mechanism |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Experience | Flight Crew Total 12615 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Maintenance ferry flight; no passengers on board. On visual approach at 1;800 feet pilot flying called for gear down. Gear failed to extend with accompanying ECAM message left/G gear not downlocked along with red unlkd lights illuminated in landing gear position indicators. Coordinated with tower - we maintained 1;800 feet and flew an extended traffic pattern. Performed non-normal methodology and ECAM action. Unable to extend landing gear after second attempt. Proceeded to left/G gear not downlocked abnormal procedure. Followed procedure and attempted a total of five normal gear extensions with QRH directed wait time between gear cycles. Gear failed to extend normally. Proceeded to left/G gravity extension checklist and performed gravity extension. Gear extended with all gear positions indicating down and locked. Requested arff. Landing and taxi was normal with no further issues. Requested arff follow us to ramp for safety precaution. Discrepancy was entered in [the logbook] and advised maintenance facility of issue. Filed report with dispatch post flight on the ground.
Original NASA ASRS Text
Title: An A321 flight crew reported the normal gear extend system failed to deploy the landing gear; so they used the backup gravity system.
Narrative: Maintenance ferry flight; no passengers on board. On visual approach at 1;800 feet Pilot Flying called for gear down. Gear failed to extend with accompanying ECAM message L/G GEAR NOT DOWNLOCKED along with RED UNLKD lights illuminated in landing gear position indicators. Coordinated with Tower - we maintained 1;800 feet and flew an extended traffic pattern. Performed non-normal methodology and ECAM action. Unable to extend landing gear after second attempt. Proceeded to L/G GEAR NOT DOWNLOCKED abnormal procedure. Followed procedure and attempted a total of five normal gear extensions with QRH directed wait time between gear cycles. Gear failed to extend normally. Proceeded to L/G Gravity Extension checklist and performed gravity extension. Gear extended with all gear positions indicating down and locked. Requested ARFF. Landing and taxi was normal with no further issues. Requested ARFF follow us to ramp for safety precaution. Discrepancy was entered in [the logbook] and advised maintenance facility of issue. Filed report with Dispatch post flight on the ground.
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.