Datasheet for the 2N7053 in a 314 KB PDF, categorized with schematics. The size matches that of the 2N7052 file and both may come from a shared family document, though the name itself only states the single part number with no vendor or revision. Open it in a standard PDF reader to find the pinout, ratings table and test conditions. Before relying on it for a swap, confirm that the case style and electrical class listed inside agree with the component taken off the board.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.