In the ole ATPL(H) material Hydraulic Lock is described as different to Jack Stall- which if I remember correctly is a hydraulic force overload. Hydraulic Lock as I understood it from the ATPL(H) studies is a failure (design or mechanical) in which the hydraulic pressure gets around the back of the relevant actuator(s) and the controls become hydraulically 'locked'.
Definition of mourn - feel or show sorrow for the death of (someone), typically by following conventions such as the wearing of black clothes Definition of mourn - feel or show sorrow for the death of (someone), typically by following conventions such as the wearing of black clothes dictionary thesaurus
No hoof, no horse. (English proverb) To tell the dog to catch, and the rabbit to run. (Azerbaijani proverb) When you are dead, your sister's tears will dry as time goes on, your widow's tears will cease in another's arms, but your mother will mourn you until she dies.. (Arabic proverb)