Exfoliation Corrosion and Pitting Corrosion and Their Role in Fatigue Predictive Modeling: State-of-the-Art Review

Table 2

Incidents from pitting corrosion and corrosion fatigue.

Aircraft	Location of failure	Cause	Incident severity	Place	Year	From
Bell Helicopter	Fuselage, longeron	Fatigue, corrosion and pitting present	Serious	AR	1997	NTSB
DC-6	Engine, master connecting rod	Corrosion pitting	Fatal	AK	1996	NTSB
Piper PA-23	Engine, cylinder	Corrosion pitting	Fatal	AL	1996	NTSB
Boeing 75	Rudder control	Corrosion pitting	Substantial damage to plane	WI	1996	NTSB
Embraer 120	Propeller blade	Corrosion pitting	Fatal and serious, loss of plane	GA	1995	NTSB
Gulfstream GA-681	Hydraulic line	Corrosion pitting	Loss of plane, no injuries	AZ	1994	NTSB
L-1011	Engine, compressor assembly disk	Corrosion pitting	Loss of plane, no injuries	AK	1994	NTSB
Embraer 120	Propeller blade	Corrosion pitting	Damage to plane, no injuries	Canada	1994	NTSB
Embraer 120	Propeller blade	Corrosion pitting	Damage to plane, no injuries	Brazil	1994	NTSB
Mooney Mooney 20	Engine, interior	Corrosion pitting, improper approach	Minor injuries	TX	1993	NTSB
C-130	Bulkhead “Pork chop” fitting	Fatigue, corrosion pitting	Pressurization leaks	—	1995	LMAS
C-141	FS998 main frame	Corrosion pitting, stress corrosion cracking	Found crack during inspection	—	1991	LMAS