See my posting in Skills Shortage reference the worlds favourite RMA technicians. In BA all "hands on" engineering staff are required to complete a Personal Experience Record which is a detailed proforma handed out by the quality dept. In order to obtain RMA and CRS qualifications the books have to be completed and reviewed by Quality prior to granting the approval. Entries in the book have to supported by the registration of the aircraft the task was carried out on and the sector log reference number where the task was recorded in that aircrafts tech log.
Remembering the jokes about many people does
it take to change a lightbulb and so on.Careful examination of a number of books will reveal that over 20 guys were involved in a 747 brake change and in the rare case of a 777 main battery change maybe 10 or so more. This just makes a mockery of any sort of log book. Even when the entries are verifiable, much of the book is just a pack of lies.