Found with PFGW Version 3.5.2

1424^3481-3481^1424 is 2-PRP! (16.1157s+0.0043s)
1424^3481-3481^1424 is 3-PRP! (25.8303s+0.0084s)
1424^3481-3481^1424 is 5-PRP! (28.2781s+0.0056s)
1424^3481-3481^1424 is 7-PRP! (27.0463s+0.0062s)
1424^3481-3481^1424 is 11-PRP! (27.1836s+0.0055s)

Primality testing 1424^3481-3481^1424 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 2+sqrt(13)
Calling N+1 BLS with factored part 0.09% and helper 0.08% (0.34% proof)
1424^3481-3481^1424 is Fermat and Lucas PRP! (159.0465s+0.0077s)

To be completed...