Originally Posted by
FL370esq
"4F1" is the contractual section that the company applied to your rotation to determine your pay (4= the Min Pay and Credit Guarantee section, F = Rotation Guarantee. You were actually under 4.F.1.b.2), with the "R" being a code for the reroute.
I had a 4F1R once and couldn't find what the R meant. I found it in my PAS statement for the month and the R meant the rotation was removed for company connivence or some such wording, not reroute.