Rotorcraft
Fuel Bladder Retrofit Mandated for Robinson R22s

Robinson Helicopter issued a Service Bulletin (SB-109) requiring retrofit installation of fuel bladders in all R22s through S/N 4620 “as soon as practical,” but no later than the next 2,200-hour overhaul or 12-year inspection. It began installing fuel bladders in new-production R22s early last year beginning with S/N 4622.

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