Weird Harold wrote:How much training does it take to find the spot marked "Push To Test" and read the fault code?
You only need to divulge the secret that there are wires connecting components to a select few "troubleshooters" who get called in when the fault code keeps telling you to change the same box over and over.
[/sarcasm]
Since the Electric Lawn Darts are still flying twenty-five years after I retired, I assume the US Air Force has taught a higher standard of troubleshooting than when they were first introduced. When first introduced F16 Electronics technicians were taught to rely on the self-test functions for troubleshooting and wiring diagrams were scarce to non-existent at the field repair level. I spent an inordinate amount of time teaching A-shop and B-shop technicians what to do when the Self-Test functions lied to them.
On the subject of another USAF General Dynamics aircraft, I was both an in-shop and flightline weapons troop for F-111D's (F-111F's at RAF Lakenheath). When I was at Cannon AFB, we had one aircraft that kept frying RPUs (Release Program Units), which were fairly essential to proper weapons release function(s). We shot wires and replaced units until we determined that the fault lay with the C-shoppers equipment, which they promptly denied. So, swap out another unit, run our checks, worked fine. C-shop came out and started their checks, and our unit would promptly fry.
After about $1.5m in fried units, we finally convinced the squadron commander to force C-shop to start shooting their wiring where it tied into the weapons systems. Turns out one of their units was pushing out 24vdc to the RPU where only 5vdc was specified.