After maintaining Category NUMBER@1 status for about NUMBER@2 hours , PERSON@1 began a steady weakening trend due to another eyewall replacement cycle until reaching winds of NUMBER@3 mph -LRB- NUMBER@4 km/h -RRB- on September NUMBER@5 .

After maintaining Category NUMBER@1 status for about NUMBER@2 hours , PERSON@1 began a steady weakening trend because of another eyewall replacement cycle until reaching winds of NUMBER@3 mph -LRB- NUMBER@4 km/h -RRB- on September NUMBER@5 .
