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
COMFORT. kum'-fert (nacham; parakaleo): The New Testament word is variously translated, as comfort, exhort, beseech, the exact translation to be determined by the context. Etymologically, it is to call alongside of, i.e. to summon for assistance.To comfort is to cheer and encourage.he meaning is to call or summon to one's aid, to call for help, to stand alongside of. Further meanings are to comfort, to encourage, to cheer up, to exhort. The second beatitude offers a blessing to those who mourn, for they will be comforted (Matt 5:4).