This is a grey area and you won't find any reference to it in the regs.
Yes you will.
CAR 47(1) lists the occasions where an MR will cease to be in force.
CAR 50 states that defects must be endorsed but unless they are major defects, the MR continues to be in force.
CAO 20.4 Oxygen
CAO 20.11 Emergency equipment
CAO 20.16.3 Seatbelts
CAO 20.18 Flight instruments, lights etc
CAR 252A ELTs
There are many others, as noted above...
This CASA ruling explains the RPT and CHTR requirement of the CAO...
http://www.casa.gov.au/wcmswr/_asset...004/ar0104.pdf