Serious incident Saab 340B G-LGNC ,
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ASN Wikibase Occurrence # 191954
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Date:Wednesday 20 July 2016
Time:c. 6:00 UTC
Type:Silhouette image of generic SF34 model; specific model in this crash may look slightly different    
Saab 340B
Registration: G-LGNC
MSN: 340B-318
Year of manufacture:1992
Engine model:General Electric CT7-9B
Fatalities:Fatalities: 0 / Occupants: 16
Aircraft damage: Minor
Category:Serious incident
Location:near Glasgow Airport -   United Kingdom
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Glasgow Airport (GLA)
Destination airport:Stornoway Airport (SYY)
Investigating agency: AAIB
Confidence Rating: Information verified through data from accident investigation authorities
After departure from Glasgow Airport, on passing FL090, the commander of Flybe flight BE6820 noticed that the top section of the left engine ‘Figure of 8’ cowling was flapping in the airflow. He decided to return to Glasgow, and stopped the aircraft’s climb at FL100. He then carried out two orbits to give the cabin crew time to secure the cabin, during which the loose cowling started to vibrate violently. Slowing the aircraft to the minimum clean speed reduced the vibration. The aircraft then returned to Glasgow where it landed safely.
A section of the loose cowling was found to be worn on its forward face, and a small section of the cuff section of all four propeller blades had been damaged by contact with the cowling.

The operator determined that a member of engineering staff had been distracted during a maintenance task performed the previous day, and had not secured the cowling before dispatch. The unsecured latches were then not spotted by engineering staff during before-flight checks, or by the flight crew during the pre-flight external check.


Accident investigation:
Investigating agency: AAIB
Report number: EW/G2016/07/17
Status: Investigation completed
Download report: Final report


Photo (c) AAIB

Revision history:

10-Dec-2016 20:09 harro Added
10-Dec-2016 20:10 harro Updated [Photo, ]
10-Dec-2016 20:12 harro Updated [Time]

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