Failure Analysis — anjanspatel.com

Root Cause Failure Analysis — RCFA / 5-Why (per API RP 571 / ASME / ISO 9001)

Incident Information

Equipment / Component

Failure Date

Equipment Tag / ID

Location / Unit

Failure Mode

Damage Mechanism (API RP 571)

Problem Statement

Immediate / Direct Cause

5-Why Root Cause Analysis

Why 1
↓
Why 2
↓
Why 3
↓
Why 4
↓
Why 5

Corrective & Preventive Actions (CAPA)

Immediate Corrective Action (ICA)

Long-Term Corrective Action (LTCA)

Target Completion Date

Responsible Party

Severity (1–5)

Report Author

FMEA — Failure Mode & Effects Analysis (per MIL-STD-1629A / SAE J1739 / IEC 60812)

System / Assembly

Prepared By

FMEA Date

Revision

Component	Failure Mode	Effect	Cause	S	O	D	RPN	Action

S = Severity (1–10), O = Occurrence (1–10), D = Detection (1–10). RPN = S × O × D. RPN ≥ 100 = High Risk (red), 40–99 = Medium (amber), <40 = Low (green).

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