Service difficulty report · Blade · Robsin R44

Difficulty date
December 14, 2004
Submitted
December 14, 2004
Operation
General aviation
Aircraft
N667SA
Make and model
Robsin R44
Aircraft serial
726
Aircraft time
775 hours
Part
Blade
Part number
C0162
Part serial
3102A
Condition
Delaminated
Location
Main Rotor
Part time
775 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

PREFLIGHT INSPECTION FOUND ONE OF THE BLADES APPEARED TO HAVE SKIN SEPARATION AT TRAILING EDGE TIP APPROX 1/4" LONG. SENT DIGITAL PHOTO TO ROBINSON AND THEY REQUESTED BOTH BLADES BE SENT TO THEM FOR INSPECTION. UPON INSPECTION AT FACTORY BOTH BLADES WERE SCRAPPED DUE TO CORROSION DELAMINATION. SHIP HAS RECENTLY CHANGED OWNERS BUT PRIOR OWNER OPERATED SHIP IN FLORIDA. SHIP WAS MANUFACTURED IN EARLY 2000 AND ONLY HAS 775 HOURS SINCE NEW. ROBINSON DOES NOT CONSIDER THIS A DEFECT BUT CLAIMS THE PROBLEM WAS THE CORROSIVE ENVIRONMENT IT WAS OPERATED IN.