Incident Overview
Date: Sunday 11 September 1988
Aircraft Type: Boeing 747-136
Owner/operator: British Airways
Registration Number: G-AWNM
Location: Near London Heathrow Airport (LHR/EGLL) –
ÿ United Kingdom
Phase of Flight: Approach
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 378
Component Affected: No. 6 flap trackNo. 6 flap track
Investigating Agency: AAIBAAIB
Category: Accident
A flight experienced a near-miss situation while approaching London. The crew reported a thump, initially assuming a birdstrike resulting in an engine loss. The flight engineer confirmed no engine loss, and the aircraft landed safely with no injuries. An inspection revealed a fracture in the No. 6 flap track and significant damage to the wing and flap structure. The incident is attributed to a fracture of the No. 6 flap track due to unknown circumstances.A flight experienced a near-miss situation while approaching London. The crew reported a thump, initially assuming a birdstrike resulting in an engine loss. The flight engineer confirmed no engine loss, and the aircraft landed safely with no injuries. An inspection revealed a fracture in the No. 6 flap track and significant damage to the wing and flap structure. The incident is attributed to a fracture of the No. 6 flap track due to unknown circumstances.
Description
While on approach to London the crew heard a loud thump. The captain originally thought it was a birdstike and they had lost an engine. The captain asked the flight engineer to check if they had lost an engine and he said that they had not. The aircraft would land safely and nobody was injured. An inspection would reveal the fracture of the no. 6 flap track and extensive damage to the wing and flap structure. Probable Cause: The fracture of the No. 6 flap track due to unknown circumstances
Source of Information
https://assets.publishing.service.gov.uk/media/5422f217ed915d13710003b9/Boeing_747-136__G-AWNM__11-88.pdf, https://www.airfleets.net/ficheapp/plane-b747-20708.htmhttps://assets.publishing.service.gov.uk/media/5422f217ed915d13710003b9/Boeing_747-136__G-AWNM__11-88.pdf, https://www.airfleets.net/ficheapp/plane-b747-20708.htmPrimary Cause
Fracture of the No. 6 flap trackFracture of the No. 6 flap trackShare on:
