# N731Q: Boeing 707-321B, registration cancelled 1989-01-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 5, 1989
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Boeing 707-321B](https://openairdocs.org/model/boeing-707-321b) (registry code 138366B)
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26) (OpenAirDocs)
- Serial number: 20031
- Type of aircraft: Fixed wing multi engine
- Mode S code: A9D020
- The mark today: https://openairdocs.org/aircraft/N731Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=731Q
- Page: https://openairdocs.org/deregistered/N731Q-1989-01-05

From the FAA registry file of November 4, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 707-321B: https://openairdocs.org/model/boeing-707-321b.md

## FAA accident and incident reports (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.

- [Incident 19860623056209I](https://openairdocs.org/incident/19860623056209I), Jun 23, 1986: Boeing 707320C (N731Q), Chicago, IL, Minor damage. Vibration in flight controls during climb. Returned. Replaced a hinge on the left outboard aileron control tab.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.