# N668US: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: August 22, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=668US
- Page: https://openairdocs.org/aircraft/N668US

## Aircraft that carried N668US

- [Cancelled 2018-08-22](https://openairdocs.org/deregistered/N668US-2018-08-22): Boeing 747-451, S/N 24223, built 1990. Owner: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta)

## NTSB investigations on N668US (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ENG17IA026](https://openairdocs.org/ntsb/ENG17IA026), Jun 7, 2017: Boeing 747 451 (N668US), Tokyo, Japan, incident, no damage. Probable cause: The PW4056 engine lost power due to the fatigue fracture of a 5th stage compressor blade. The cause of the fatigue fracture could not be determined.

## FAA accident and incident reports on N668US (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20120723012239A](https://openairdocs.org/incident/20120723012239A), Jul 23, 2012: Boeing 747-451 (N668US), Tokyo, No damage. Approximately 1 1/2 hours prior to landing a fa was walking the stairs leading from the upper deck to the main cabin. She missed the last 3-4 steps and fell.…

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