The aircraft accident was caused by ice accumulating in the Fuel Oil Heat Exchanger (FOHE) of the Rolls-Royce Trent 800 engines which subsequently blocked fuel flow to the engines. The official accident investigation concluded:
The investigation identified the following probable causal factors that led to the fuel flow restrictions:
Accreted ice ...
According to the below references, these commercial aircraft are capable of doing the Micro-SLOP procedures with 0.1 NM increments:-
1.INTERNATIONAL FEDERATION OF AIR TRAFFIC CONTROLLERS’ ASSOCIATIONS
58TH ANNUAL CONFERENCE – Conchal, Costa Rica, 20-24 May 2019
2.6.2 Most flight management systems in service today can execute an automatic offset track in ...