The following item was found in the July 1999 issue of Aviation Maintenance Alerts (AC 43-16A) available on the FAA's web site. This should be of interest to all Coupe owners. The text is quoted in its entirety.
"Ercoupe; Model 415-E; Spar Cap Corrosion; ATA 5341 "During an annual inspection, the technician removed the right wing and discovered severe corrosion on the center section beam assembly (P/N 415-13102) and the lower wing spar cap. Intergranular corrosion consumed approximately 5 inches of the spar cap. (Refer to the following illustration.) "The area is not accessible for inspection without removing the wing. The submitter recommends that the manufacturer design an inspection panel located on the bottom skin to allow periodic inspection of this area. "Aircraft total time- 2,361 hours" You can view the article and the picture on the FAA by web site at: http://www.mmac.jccbi.gov/afs/afs600/. Select Airworthiness Resources and then Aviation Maintenance Alerts. Regards Charles McKinnie N3050G, F-1A, HII
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