Western Digital WD5000AAJS hard drive recovery usually entails repairing the heads. Like many drives the WD5000 has a parking mechanism that is meant to protect the platters so the heads don’t impact upon them. This doesn’t help if the heads fail during normal usage.
Read Write Heads Caught in Orange Keeper or Park Area
The park area is allocated for the read write heads of a hard drive to remain stationary in transit, in the off or sleep position so the heads do not make physical contact with the platter or media surface
In many cases due to slight warping of the platters rotation, the armatures read write heads flying height above the platters surface will slightly increase or decreases in size… resulting in an incorrect alignment when being brought back to the park position.
FIG 1: The read write heads have bent after being forced off the platters with the wrong alignment
FIG 2: Upon restarting the bent read write heads now scrape the surface of the platter causing data loss
FIG 3: You can see now see how badly the heads have been damaged when removed
FIG 4: This shows the worn condition of the orange keeper from when the read write heads jammed