Flight 64 was expected to land in Petersburg on Saturday at 2:43 P.M., but was rerouted to Wrangell, because the 737-700 jet was experiencing problems with its auxiliary power unit, according to Alaska Airlines spokesperson Ray Lane.

Additionally, the air cart at the Petersburg James A. Johnson Airport was not operating correctly. The flight was rerouted to Wrangell where the air cart was operational and the jet could connect to a power source. There was not a safety issue, according to Lane.

The aircraft was taken out of service for maintenance and did not return to Petersburg. A differen...