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ASN Wikibase Occurrence # 174103
Last updated: 26 May 2018
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Date:08-OCT-2014
Time:14:27
Type:Silhouette image of generic B744 model; specific model in this crash may look slightly different
Boeing 747-4B5F
Owner/operator:Korean Air Cargo
Registration: HL7400
C/n / msn: 26414/1295
Fatalities:Fatalities: 0 / Occupants: 4
Other fatalities:0
Airplane damage: Minor
Category:Serious incident
Location:near Frankfurt International Airport (FRA/EDDF) -   Germany
Phase: Approach
Nature:Cargo
Departure airport:Moscow
Destination airport:Frankfurt International Airport (FRA/EDDF)
Investigating agency: BFU Germany
Narrative:
The Boeing 747-400 cargo plane was flying an approach to runway 25L at Frankfurt International Airport (FRA/EDDF), Germany when it lost a flap panel from the left hand wing.
The aircraft was flying at 2500 feet when the flaps were selected from 20 to 30. At that time the crew heard a noise and subsequently, the aircraft rolled 8 to the left. The captain switched off the autopilot and continued the approach manually. A safe landing was carried out. After landing it appeared that the 'Inboard Fore Flap' of the left wing was missing. This was a panel measuring 1x4,5 meters.


Conclusion:
The flap fitting was destroyed by a pronounced oscillation break, which started in a corrosion cavity.

Sources:

http://www.bfu-web.de/DE/Publikationen/Bulletins/2014/Bulletin2014-10.pdf?__blob=publicationFile

Accident investigation:
cover
  
Investigating agency: BFU Germany
Status: Investigation completed
Duration: 3 years and 6 months
Download report: Final report


Revision history:

Date/timeContributorUpdates
24-Feb-2015 20:56 harro Added
29-Apr-2018 07:24 harro Updated [Narrative]

Corrections or additions? ... Edit this accident description