Service difficulty report · Bolt · Diamon DA20A1

Difficulty date
June 11, 2010
Submitted
January 4, 2011
Operation
General aviation
Make and model
Diamon DA20A1
Aircraft time
1,783 hours
Engine
Rotax ROTAX912F3
System (JASC)
5711 · Wing Spar
Part
Bolt
Part number
2057000120
Condition
Missing
Location
Rt Wing Spar
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING ANNUAL INSP, DISCOVERED EXCESSIVE FORE AND AFT PLAY IN RT WING, PN 22-5708-00-00WIP. MX RECORD REVIEW INDICATED THAT THE RT WING WAS REPLACED ON 4/25/09. REMOVED WING TO INSPECT. DISCOVERED SPAR, MAIN BOLT, BUSHING, PN 20-5700-01-20 WAS NOT INSTALLED WITH NEW WING. ACFT FLEW FROM 4/25/09 TO 6/11/10 FOR A TOTAL OF 308.4 FLIGHT HRS WITH SPAR, MAIN BOLT, BUSHING MISSING AND IS CONSIDERED TO BE A FLIGHT SAFETY CRITICAL ISSUE. REVIEW OF MM INSTALLATION PROCEDURES DID NOT INCLUDED ADDITIONAL INSTRUCTION FOR INSTALLING THE SPAR, MAIN BOLT, BUSHING WHEN INSTALLING A NEW WING. SUSPECT THAT MM INSTRUCTIONS FOR REMOVAL AND REPLACEMENT OF THE WING WERE WRITTEN FOR REMOVAL AND REPLACEMENT OF AN EXISTING WING ONLY. RECOMMENDED THAT THE SPECIAL INSTRUCTIONS FOR INSTALLING A BUSHING FOR THE SPAR, MAIN BOLT WITH A NEW WING BE INCLUDED IN THE MM.

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