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Old 3rd May 2015, 18:46
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givdrvr
 
Join Date: Jan 2008
Location: Western US
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R22 blade debonding
Taken from 1st Quarter 2015 Service Difficulty reports. First time I had seen this.. sorry if this old news.



http://www.flightsafetyaustralia.com...0871-1_adj.jpg

Robinson R22 Beta Main rotor blades—main rotor blade unserviceable. SDR 510020871 (photo above)
Initial visual inspection and subsequent tap test revealed both main rotor blades had debonding at the skin/spar bond.
Failure due to glue joint failure. P/No: A0164. TSN: 1624 hours/96 months
Last edited by Senior Pilot; 11th May 2015 at 23:20. Reason: Add image
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