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B767 first officer reported a loud bang during climb out and again on approach during gear extension.
| Attributes | |
| ACN | 1559579 |
| Time | |
| Date | 201807 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Landing |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Landing Gear |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 10481 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
While departing from ZZZ there was a loud bang on climb out. We could not determine where it came from; there were no lights or EICAS messages. Then the flight attendants called to ask what the noise was. We talked about the noise and could not determine where the noise came from. There weren't any strange noises or vibrations so we decided to continue. We didn't have any more issues along the way. Then when we got up to YYY and started prepping for the approach and landing. The captain was flying and when we put the gear down there was a bang. We had 2 out of 3 green down and locked gear lights. We did a go-around to trouble shoot the problem. We went into the QRH but nothing seemed to work. The captain called ops and maintenance but we could not get 3 green gear lights.by this time the fuel was getting low so we decided to go and land. After landing and stopping the fire and rescue came in to check out the plane. We then had to wait for maintenance to arrive to secure the gear. Once the gear were ready they towed us to the gate.
Original NASA ASRS Text
Title: B767 First Officer reported a loud bang during climb out and again on approach during gear extension.
Narrative: While departing from ZZZ there was a loud bang on climb out. We could not determine where it came from; there were no lights or EICAS messages. Then the flight attendants called to ask what the noise was. We talked about the noise and could not determine where the noise came from. There weren't any strange noises or vibrations so we decided to continue. We didn't have any more issues along the way. Then when we got up to YYY and started prepping for the approach and landing. The Captain was flying and when we put the gear down there was a bang. We had 2 out of 3 green down and locked gear lights. We did a go-around to trouble shoot the problem. We went into the QRH but nothing seemed to work. The Captain called ops and maintenance but we could not get 3 green gear lights.By this time the fuel was getting low so we decided to go and land. After landing and stopping the fire and rescue came in to check out the plane. We then had to wait for maintenance to arrive to secure the gear. Once the gear were ready they towed us to the gate.
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.