(USA TODAY) -- Citing live flies, dried food waste and even a "roach nymph,"inspectors for the U.S. Centers for Disease Control and Prevention havegiven the 2,056-passenger Carnival Fascination a failing health grade.

Ina report made public this week, inspectors from the CDC's VesselSanitation Program scored the Fascination at 84. Ships docking at U.S.ports receive surprise inspections twice a year and are graded on a100-point scale. Anything below 86 is considered failing.

The inspection of the Fascination on Feb. 21 came just 11 days after an engine room fire on Carnival Triumph left that ship disabled at sea for five days, with passengers having to endure a lack of basic services including working toilets.

PHOTOS:Carnival Triumph disabled in the Gulf of Mexico

Theinspectors found a number of violations on the Fascination includingnot enough chlorination at the ship's water park, salad bar items notprotected by a sneeze shield and not enough lighting for cleaning inseveral food-related areas.

And then there were the flies.

"Atthe hamburger grill, there was a large fly around the uncovered rawhamburger patties. The area was open during the inspection," accordingto the report.

Under one kitchen counter where dried food wastewas discovered, "It appeared that the food waste was leaking through thesealant. A small fly was in this compartment," an inspector writes.

Elsewhere,four to six small flies and a "roach nymph" - an immature form ofcockroach - was found around the deck drain below the room service juicedispenser.

Carnival spokesman Vance Gulliksen tells USA TODAY that a Carnival ship failing a CDC inspection is a rare occurrence.

"Inthe past five years, no Carnival ship has failed a U.S.P.H (U.S. PublicHealth) inspection and the fleet's average score during that timeperiod is 97. The average over 20 inspections already conducted in 2013is 97.2," Gulliksen says.

Hesays in response to the CDC report, "corrective action was takenimmediately, with several issues being resolved during the inspectionand all issues resolved within 24 hours of the inspection."

Gulliksen adds that Carnival has requested a re-inspection of the ship "as soon as possible."

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