Weird KVS Sabre availability

[Savage25]

My sister's waitlisted for an upgrade on this very full flight, and KVS Sabre is obviously showing O4 and I4 in error.

[KVS Availability Tool 2.8.2/Platinum - Sabre: ITN/US-AXC1]

SIN  Singapore Changi SG [WSSS]
SYD  Sydney Kingsford Smith NS AU [YSSY]
SUN  27 May 2007

Carrier   Flight From Depart    To   Arrive    A/C  St   Availability
--------- ------ ---- --------- ---- --------- ---- ---- ----------------------------------------- 
SQ        219    SIN  09:30     SYD  18:55     744  0    P0 F0 A0 [B]O4[/B] Z0 C0 J0 D0 I4 S0 Y0 E0 B0 M0