Consider a ball$-$point pen. Which of the following are failure modes for a ball$-$point pen?

Cause of the Effect Severity $($S$)$ Occurrence $($O$)$ Undetectability $($U$)$

Ball corrosion $534$

Ink clots $546$

Broken mechanism $828$

Identify failure modes for a ball point pen.

Note: You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.

check all that apply

No ink flowsunanswered

Pen leaksunanswered

No eraserunanswered

No micro$-$lightunanswered

Below is the effects analysis of a ball point pen. Calculate the RPN values associated with each cause.

Rank the cause in the order which requires more attention.

Identify at least one action that would remedy each of these causes.