The phrase "arm failed" is correct and usable in written English.
It can be used in contexts related to technology, machinery, or medical situations where an arm (either a mechanical part or a human limb) is not functioning properly.
Example: "During the test, the robotic arm failed to complete the task, leading to a delay in the project."
Alternatives: "arm malfunctioned" or "arm is inoperative."
The new investigation was prompted by six reports from owners that a rear control arm failed, apparently because of corrosion.
Here, a nurse infected by my own tension collapsed a vein on one arm, then, on the other arm, failed to bind the needle into the vein so that it shot out with a gush of blood.
The investigatory arm of the ethics committee had asked for life bans on the basis that Platini and Blatter were also guilty of corruption, but the adjudicatory arm failed to uphold that part of the recommended sanction.
So the concern was that if G.M. and its finance arm failed — with nearly $300 billion of debt between them and huge volumes of swaps contracts on top — a disaster would ensue.
The only time that I saw him use his left hand to do anything other than lift a Gauloise to his lips he was trying to pass a tray of salad across the room the arm failed him, and the vegetables tumbled to the floor.
His dive, which had been delayed by rough seas for about two weeks, did not go entirely as planned: his submersible's robot arm failed to operate properly, and his time at the bottom was curtailed from a planned six hours to about three.
"But to approve loans for G.M. and then let its financial arm fail would defeat the whole purpose of the G.M. loan in the first place".
Examples of Ansari's wit that would support this include remarks from the recent Producers Guild Awards in LA; one gag remarked on the absence of any black characters checking their Facebook accounts in The Social Network, while another observed that 127 Hours' lack of colour is so marked that even James Franco's arm fails to turn black when he cuts it off.
The condition discussed in this section is that one of the six converter arms has blocking failure, i.e., all the SMs on one arm fail to be blocked, while the other five arms are blocked normally.
And that's only because I was tall enough to be able to jump up and get my chin above the bar before my spaghetti-thin arms failed to hold up my body weight and dropped me to the floor like a sack of dry cement outfitted in ill-fitting gym shorts.
The patent strong-arming failed.
