Narrative:
The aircraft landed at Manchester at 23:16 and the commander took control from the first officer during the latter part of the landing roll. As he applied increased pressure to the brakes there was a loud bang and the left wing dropped as the left main landing gear collapsed. The aircraft came quickly to a halt and the commander decided to disembark the passengers via the front passenger entrance door and stairs. The cabin supervisor experienced a problem with the stairs and, after a discussion with the commander, the passengers were evacuated via the front and rear service doors using the escape slides. An orderly evacuation ensued with only minor injuries being sustained; all passengers had left the aircraft by 23:26.
PROBABLE CAUSE: "(1) The left MLG outer cylinder failed on the application of bending loads resulting from normal braking due to the presence of a fatigue crack, 5 mm long by 1.25 mm deep, located on the front face of the cylinder, close to a change in section, where bending stresses were maximum.; (2) The fatigue origin was associated with surface features produced by the gritblasting used to prepare the steel surface for high current density cadmium plating.; (3) Loads not predicted during the MLG design were encountered early in the aircraft's life when 'gear walking', a MLG foreandaft vibration mode, was encountered. As a result fatigue initiated and propagated through the immediate compressive subsurface layer produced by shotpeening and designed to improve fatigue resistance."
Runway mishap
accident date: 27-04-1995
type: McDonnell Douglas MD-83
registration: G-DEVR
| Status: | Accident investigation report completed and information captured |
| Date: | Thursday 27 April 1995 |
| Time: | 23:16 |
| Type: |  McDonnell Douglas DC-9-83 (MD-83) |
| Operator: | Airtours International |
| Registration: | G-DEVR |
| MSN: | 49941/1793 |
| First flight: | 1990 |
| Total airframe hrs: | 18236 |
| Cycles: | 6386 |
| Engines: | 2 Pratt & Whitney JT8D-219 |
| Crew: | Fatalities: 0 / Occupants: 7 |
| Passengers: | Fatalities: 0 / Occupants: 171 |
| Total: | Fatalities: 0 / Occupants: 178 |
| Aircraft damage: | Substantial |
| Aircraft fate: | Repaired |
| Location: | Manchester International Airport (MAN) ( United Kingdom)
|
| Phase: | Landing (LDG) |
| Nature: | Int'l Non Scheduled Passenger |
| Departure airport: | Las Palmas-Airport de Gran Canaria (LPA/GCLP), Spain |
| Manchester International Airport (MAN/EGCC), United Kingdom | |
| Flightnumber: | 418 |
The aircraft landed at Manchester at 23:16 and the commander took control from the first officer during the latter part of the landing roll. As he applied increased pressure to the brakes there was a loud bang and the left wing dropped as the left main landing gear collapsed. The aircraft came quickly to a halt and the commander decided to disembark the passengers via the front passenger entrance door and stairs. The cabin supervisor experienced a problem with the stairs and, after a discussion with the commander, the passengers were evacuated via the front and rear service doors using the escape slides. An orderly evacuation ensued with only minor injuries being sustained; all passengers had left the aircraft by 23:26.
Probable Cause:
PROBABLE CAUSE: "(1) The left MLG outer cylinder failed on the application of bending loads resulting from normal braking due to the presence of a fatigue crack, 5 mm long by 1.25 mm deep, located on the front face of the cylinder, close to a change in section, where bending stresses were maximum.; (2) The fatigue origin was associated with surface features produced by the gritblasting used to prepare the steel surface for high current density cadmium plating.; (3) Loads not predicted during the MLG design were encountered early in the aircraft's life when 'gear walking', a MLG foreandaft vibration mode, was encountered. As a result fatigue initiated and propagated through the immediate compressive subsurface layer produced by shotpeening and designed to improve fatigue resistance."
Accident investigation:
 |
|
Classification:
Landing gear collapseRunway mishap
Follow-up / safety actions
AAIB issued 2 Safety Recommendations
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Photos
accident date: 27-04-1995
type: McDonnell Douglas MD-83
registration: G-DEVR
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Las Palmas-Airport de Gran Canaria to Manchester International Airport as the crow flies is 3005 km (1878 miles).
Distance from Las Palmas-Airport de Gran Canaria to Manchester International Airport as the crow flies is 3005 km (1878 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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