Alaska Stat. § 45.12.508
(a) If a lessor fails to deliver the goods in conformity with the lease contract (AS 45.12.509) or repudiates the lease contract (AS 45.12.402), or a lessee rightfully rejects the goods (AS 45.12.509) or justifiably revokes acceptance of the goods under AS 45.12.517, then with respect to the goods involved, and with respect to all of the goods if under an installment lease contract, the value of the whole lease contract is substantially impaired (AS 45.12.510), the lessor is in default under the lease contract and the lessee may
(b) If a lessor fails to deliver the goods in conformity to the lease contract or repudiates the lease contract, the lessee may also