# FailureDetectorStatus (UORB message) [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/FailureDetectorStatus.msg) ```c uint64 timestamp # time since system start (microseconds) # FailureDetector status bool fd_roll bool fd_pitch bool fd_alt bool fd_ext bool fd_arm_escs bool fd_battery bool fd_imbalanced_prop bool fd_motor float32 imbalanced_prop_metric # Metric of the imbalanced propeller check (low-passed) uint16 motor_failure_mask # Bit-mask with motor indices, indicating critical motor failures ```