**Table A4.** *Cont*.

Q4 Following maintenance instructions in the AMM/SRM etc. is not always practical/possible. Strongly agree/Agree/Somewhat agree/Neither agree nor disagree/Somewhat disagree/Disagree Strongly disagree

Q5 Please briefly elaborate your experience with regards to following procedures. If they are not always practical/possible to follow, what are the main reasons/challenges which prevents you from following them to the letter? Please recommend possible solutions

Q6 Some inspection instructions are not sufficient enough to identify defects Strongly agree/Agree/Somewhat agree/Neither agree nor disagree/Somewhat disagree/Disagree/Strongly disagree

Q7 Please briefly elaborate your experience with regards to inadequate inspection instructions. What are the main challenges faced with inspection instructions? Please recommend possible solutions
