<prompt> Qedela umusho olandelayo: Ngo-March 20, 1978, ukwehluleka kokuphakelwa kwamandla kohlelo lwe-non-nuclear instrumentation yesikhungo kwaholela ekushoneni kwe-generator evuthayo ref NRC LER 31278-001. Lokhu kwabangela ukuvalwa okuzenzakalelayo kwe-reactor. Embhalweni wango-2005, i-United States Nuclear Regulatory Commission yabonisa ukuthi kwakuyisigameko sesithathu esibucayi kakhulu esihlobene nokuphepha e-United States kuze kube manje ngemuva kwe-  <response>: Ingozi yaseThree Mile Island nomlilo we-cable tray eBrowns Ferry. Izisebenzi ze-U.S. Nuclear Regulatory Commission NRC zaphetha ngokuthi amaphutha ayisisekelo okwakhiwa ayesaziwa abaqhubi bezitshalo kanye ne-NRC ngokwayo ayewumnyombo wenkinga futhi kwakufanele alungiswe eminyakeni edlule. Ngamafuphi, ulwazi lwalutholakala futhi lwaziwa olwalungavimbela lokhu kupholisa ngokweqile; kodwa ngenxa yokungabi khona kwezinguquko ezanele zesitshalo, lesi sigameko bekufanele silindelwe, kusho abasebenzi. 