During rapid control inputs at high bank, momentary ______ may occur following illumination of the LIMIT light and SERVO LIMIT caution message on the EICAS page.

During rapid control inputs at high bank, momentary ______ may occur following illumination of the LIMIT light and SERVO LIMIT caution message on the EICAS page.

• A. locking of the flight controls
• B. indications of a servo jam
• C. loss of hydraulic pressure
• D. SEC HYD HI Pres

Answer: (A)

When the controls are moved rapidly with a high bank angle, the flight control servos can reach their travel limits. The LIMIT light and SERVO LIMIT caution indicate you’ve hit those limits, so the system may momentarily hold or “lock” the surfaces to protect the actuators from overtravel and to reestablish a stable position. This brief lock prevents further movement until the servos re-center or the pilot reduces the demand, after which normal control authority returns. This scenario is about a protective, temporary condition tied to reaching servo travel limits, not an actual jam of a servo or a loss of hydraulic pressure. A servo jam would imply a persistent obstruction or failure, and loss of hydraulic pressure would produce different warnings and degraded control rather than a brief lock. SEC HYD HI Pres is unrelated to the servo limit condition and reflects a hydraulic pressure issue in a different subsystem.

When the controls are moved rapidly with a high bank angle, the flight control servos can reach their travel limits. The LIMIT light and SERVO LIMIT caution indicate you’ve hit those limits, so the system may momentarily hold or “lock” the surfaces to protect the actuators from overtravel and to reestablish a stable position. This brief lock prevents further movement until the servos re-center or the pilot reduces the demand, after which normal control authority returns.

This scenario is about a protective, temporary condition tied to reaching servo travel limits, not an actual jam of a servo or a loss of hydraulic pressure. A servo jam would imply a persistent obstruction or failure, and loss of hydraulic pressure would produce different warnings and degraded control rather than a brief lock. SEC HYD HI Pres is unrelated to the servo limit condition and reflects a hydraulic pressure issue in a different subsystem.