Frank Pritchard may be handed a suspension for a high tackle

Hull second rower Frank Pritchard will appear before a Rugby Football League tribunal after being charged with a high tackle while captaining Samoa at the weekend.

Pritchard was put on report for the challenge on former Catalans Dragons winger Michael Oldfield, which occurred during Samoa's 18-6 win over Tonga in Saturday's Pacific Test match in Sydney.

The NRL have referred the incident to the RFL because Pritchard is a Super League contracted player and its match-review panel on Monday brought a grade A charge against him.

The 32-year-old does not have the option of entering an early-guilty plea and will face a hearing at Red Hall on Tuesday, with the threat of a one-match ban hanging over him.

Hull agreed to let Pritchard and his second-row partner Sika Manu miss Sunday's Challenge Cup sixth-round tie against St Helens in order to lead their countries, and Pritchard got the chance to play alongside his 22-year-old brother Kaysa for the first time.

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And Hull coach Lee Radford has not completely given up hope that Pritchard will be free for Friday's massive Super League showdown against Wigan at the DW Stadium.

"After doing the right thing by letting them go, it will be typical if they ban him for a game," said Radford. "Hopefully they will sympathise with us."

Pritchard has played in 11 of Hull's first 13 matches since his winter move from Canterbury Bulldogs and he has become a crowd favourite.

But he was issued with a warning for striking Castleford hooker Adam Milner with his hand during the Black and Whites' home defeat to the Tigers in February.

Hull are third in the Super League table and overcame the absence of their overseas duo to beat Saints 47-18 in the Cup tie at the weekend.