Event Details

Title:Cowling separation, Boeing 747-240B, AP-BAT
Micro summary:This Boeing 747-240B lost a large chunk of cowling on landing.
Event Time:2002-06-13 at 0646 UTC
File Name:2002-06-13-UK.pdf
Publishing Agency:Aircraft Accident Investigation Board (AAIB)
Publishing Country:United Kingdom
Report number:EW/C2002/06/03
Site of event:Taxi-in, Manchester
Departure:John F. Kennedy International Airport, Jamaica, New York, USA
Destination:Birmingham International Airport, West Midlands, England
Airplane Type(s):Boeing 747-240B
Flight Phase:Landing
Operator(s):PIA - Pakistan International Airlines
Type of flight:Revenue
Serious Injuries:0
Other Injuries:0
Executive Summary:The aircraft was operating a scheduled service between New York Kennedy Airport and Manchester International Airport. An uneventful approach and touchdown were carried out on Runway 24R following which reverse thrust was selected on all engines to approximately three-quarters power. At around 80 kt reverse thrust was cancelled, engine Nos 1, 2 and 4 reversers stowed normally but flight deck indications showed No 3 reverser remained unlocked and in transit.

After the landing of the B747, a Boeing 757 aircraft was cleared to cross Runway 24R, from the F2 holding point on the north side to the south side. While crossing behind the B747 the first officer on the B757 noticed a large piece of engine cowling falling from the aircraft during its landing roll. He notified Air Traffic Control (ATC) who took action to prevent other aircraft landing on the runway. ATC also offered the support of the emergency services to the commander of the B747 which was declined. The B747 continued taxiing to its allocated parking stand where, following engine shutdown, the passengers were disembarked.
Learning Keywords:Systems - Engine - Cowling Separation
Systems - Engine Reversers
Consequence - Damage - Airframe or fuselage


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