# N6637G: 1991 Cessna 550, registration cancelled 2022-02-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 5, 2022
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 550](https://openairdocs.org/model/cessna-550) (registry code 2076604)
- Engine: [Pratt & Whitney Canada JT15D-4 series](https://openairdocs.org/engine/pratt-whitney-canada-jt15d-4-series) (registry code 52112)
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE) (OpenAirDocs)
- Serial number: 550-0670
- Year built: 1991
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Multiple
- Airworthiness date: September 20, 1991
- Certificate issued: November 14, 1991
- Last registry action: May 14, 2018
- Mode S code: A8C2B2
- Owners when cancelled: [U S Department Of Homeland Security](https://openairdocs.org/faa-owner/U%20S%20DEPARTMENT%20OF%20HOMELAND%20SECURITY), [U S Customs & Border Protection](https://openairdocs.org/faa-owner/U%20S%20CUSTOMS%20%26%20BORDER%20PROTECTION)
- Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- Owner type: Government
- Owner's area on the map: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6637G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6637G
- Page: https://openairdocs.org/deregistered/N6637G-2022-02-05

From the FAA registry file of November 5, 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 Cessna 550: https://openairdocs.org/model/cessna-550.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2009FA0001082](https://openairdocs.org/sdr/2009FA0001082), Dec 24, 2009: RESERVOIR. OUT OF TOLERANCE. RECEIVED AN INSPECTED PNEUMATIC RESERVOIR (EMERGENCY BRAKE/GEAR BLOWDOWN BOTTLE) WITH 8130-3 NR AE-67615 DATED 10/29/2009. UPON INSTALLATION AND OPS CHECKS, THE
- [SDR B30R200000004](https://openairdocs.org/sdr/B30R200000004), Oct 2, 2000: SWITCH. MISSING. DURING A PHASE INSPECTION OF THE FUEL LOW LEVEL SWITCH, THE SWITCH WAS FOUND FAULTY. DURING REPLACEMENT, IT WAS NOTICED THERE WAS ONLY ONE NUT HOLDING THE SWITC
- [SDR B3OR200000003](https://openairdocs.org/sdr/B3OR200000003), Sep 15, 2000: SWITCH. INACCURATE. PERFORMED FUNCTIONAL TEST OF FUEL LOW LEVEL WARNING SYSTEM, IT FAILED ON ONE SIDE, ILLUMINATING WARNING CAPSULE AT 100 POUNDS INSTEAD OF 200 POUNDS OF FUEL. REP

## Other aircraft with N6637G

- [Cancelled 1971-01-12](https://openairdocs.org/deregistered/N6637G-1971-01-12): Cessna 150L, S/N 15072137, built 1970. Exported to Nicaragua. Owner: [Cessna Aircraft Company](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20COMPANY), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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