FAA AMT Airframe Practice Exam 2026 – All-in-One Study Guide to Master Aviation Maintenance Technician Certification!

This is because a loud hammering noise in a hydraulic system indicates that there is excessive pressure or fluid flow, which can lead to damage and malfunctions. If there is not enough preload in the accumulator, it will not be able to maintain stable pressure in the system, causing the loud noise. A blockage in the system, a ruptured hose, or overheated hydraulic fluid would all also cause issues in the system, such as loss of pressure or leaks, but they would not be the primary cause of the loud noise.