Aviation Accident Summary SEA89LA016

KETCHIKAN, AK, USA

Aircraft #1

N514RM

BELL 214B-1

Analysis

OUTBD 5 FEET OF TOP SKIN FROM ONE MAIN ROTOR BLADE SEPARATED IN FLT. PLT EFFECTED LNDG WITH NO FURTHER DAMAGE. INVESTIGATION REVEALED EROSION OF LEADING EDGE PROTECTIVE STRIP ALLOWED AIRLOADS TO INTRUDE UNDER SKIN TO CAUSE DELAMINATION AND SEPARATION. SOOT TRAILS INDICATE EROSION/DEFECT PROBABLY PRESENT AT TIME OF LAST INSPECTION (1.2 HRS).

 

Source: NTSB Aviation Accident Database

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