This has now been confirmed to be an issue with the GTC engine itself -- it appears that it got 'confused' by the inter-airport connection in SAO. The correct display should have read:
Code:
Carrier Flight From Depart To Arrive A/C St Availability
--------- ------ ---- -------- ---- -------- --- -- -----------------------------------------------------------
JJ 3831 GIG 14:42 VCP 15:35 320 0 Y9 B9 E9 U9 S9 M9 H9 K9 G9 Q9 V9 L9 W9 N9
-> AA 950 GRU 21:15 JFK 06:10 +1 777 0 F7 A0 J7 R7 D0 I0 Y7 B0 H0 K0 M0 N0 L0 W0 G0 Q0 V0 S0 O0