re post # 1981:
This is possibly significance with the the IR2 message and the TCAS FAULT message; these should not have been generated because of an external ADR problem, but because of internally detected faults
Interesting informative post VicMel. Thanks
I think it's an operator's option to retrieve warnings displayed to the crew in addition to maintenance fault reports.
The TCAS FAULT message was a warning (coded WNxxx...) so it may just be signaling a problem preventing its normal operation, not its failure.
The IR2 message, however, is a fault report (codd FRxxx...). From your description of the maintenance reports specs, it appears that IR2 had detected an internal failure.