The Phase inspection is a one-time or short duration inspection that occurs because of special circumstances.

The Phase inspection is a one-time or short duration inspection that occurs because of special circumstances.

• A. True
• B. False
• C. Not applicable
• D. Not sure

Answer: (B)

Phase inspections are part of a planned, recurring maintenance program that divides a major maintenance event into phases. They’re scheduled at defined intervals based on flight hours or calendar time, and each phase targets different systems with inspections, servicing, and adjustments as needed. This process typically involves longer downtime than a routine check because it covers a broad range of components and subsystems across the aircraft. Because they are built into the maintenance plan and occur regularly, they are not one-time or short-duration responses to special circumstances.

Phase inspections are part of a planned, recurring maintenance program that divides a major maintenance event into phases. They’re scheduled at defined intervals based on flight hours or calendar time, and each phase targets different systems with inspections, servicing, and adjustments as needed. This process typically involves longer downtime than a routine check because it covers a broad range of components and subsystems across the aircraft. Because they are built into the maintenance plan and occur regularly, they are not one-time or short-duration responses to special circumstances.