If the No 1 supply quantity indication was correct
Which it obviously could not be unless No.1 engine was burning less than No.2? Or No.2 SUPPLY TANK had a hole in it?
FUEL LOW 1 and 2 ON is the key.
FUEL LOW is FUEL LOW is FUEL LOW!
Entirely separate circuit. As pointed out in the IN.
Regardless of what the gauge
indicates. Its an
indication that should be backed up by fuel management policy, pilot proficiency and understanding of the systems.
Policy on FUEL LOW - RFM - Land within 8 minutes?
The scenario you quote "Doesn't look right or make sense so therefore something is wrong"
The trick is knowing what is wrong.
It is no different to a couple of other makes and models I could quote.