A new zone ID Pacific/Chuuk was added in tzdata2010k and Pacific/Truk was moved to backward file. At the same time, time zome abbreviation had changed from TRUT to CHUT.
The current CLDR uses "Truk Time" / "TRUT" and the long name was translated into various languages. Chuuk was formerly called Truk until 1989.
We should consider changing the names to "Chuuk Time" / "CHUT" in CLDR and review its translations.