# N747EF: 2015 Boeing 747-8B5 - Status: Valid registration - Airframe: [Boeing 747-8B5](https://openairdocs.org/model/boeing-747-8b5) (registry code 13848CG, 467 seats) - Engine: [GE GENX-2B67/P](https://openairdocs.org/engine/ge-genx-2b67-p) (registry code 30235) - Data sheets: [TCDS E00078NE](https://openairdocs.org/tcds/E00078NE) (General Electric Company GE Aerospace) (OpenAirDocs) - Serial number: 40906 - Year built: 2015 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Experimental, research and development - Airworthiness date: August 5, 2025 - Certificate issued: November 6, 2024 - Expires: November 30, 2031 - Mode S code: AA0CF5 - Registered owner: [Sierra Nevada Company LLC](https://openairdocs.org/faa-owner/SIERRA%20NEVADA%20COMPANY%20LLC) - Location: [Sparks, NV](https://openairdocs.org/faa-place/NV/Sparks) - Owner type: LLC - Owner's area on the map: 39.5406° N, 119.5440° W: Placed by OpenAirDocs at the center of ZIP code 89434, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=747EF - Page: https://openairdocs.org/aircraft/N747EF From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 18 in force ### Matched by airframe (Boeing 747-8B5) None in force. ### Matched by engine (GE GENX-2B67/P) - [AD 2026-14-03](https://openairdocs.org/ad/2026-14-03): Engine Fuel Distribution · General Electric Company GE Aerospace GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Aug 21, 2026 - [AD 2026-04-09](https://openairdocs.org/ad/2026-04-09): Turbine Engine Compressor Section · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Mar 11, 2026 - [AD 2025-11-03](https://openairdocs.org/ad/2025-11-03): Turbine Section · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 15 more. Effective Jul 8, 2025 - [AD 2024-25-07](https://openairdocs.org/ad/2024-25-07): Turbine Engine Compressor Section · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Feb 12, 2025 - [AD 2023-17-08](https://openairdocs.org/ad/2023-17-08): Turbine Section · General Electric GEnx-1B64/P2, GEnx-1B67/P2, GEnx-1B70/75/P2 and 6 more. Effective Oct 23, 2023 - [AD 2022-25-20](https://openairdocs.org/ad/2022-25-20): Turbine Engine Compressor Section, Turbine Section · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Jan 26, 2023 - [AD 2022-20-12](https://openairdocs.org/ad/2022-20-12): Turbine Engine Compressor Section, Turbine Section · General Electric GEnx-1B54/P2, GEnx-1B58/P2, GEnx-1B64/P2 and 13 more. Effective Nov 16, 2022 - [AD 2022-19-01](https://openairdocs.org/ad/2022-19-01): Turbine Section · General Electric GEnx-2B67/P. Effective Oct 25, 2022 - [AD 2022-03-16](https://openairdocs.org/ad/2022-03-16): Turbine Section · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Mar 21, 2022 - [AD 2022-04-07](https://openairdocs.org/ad/2022-04-07): Fuel Controlling System · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Mar 9, 2022 - [AD 2021-21-05](https://openairdocs.org/ad/2021-21-05): Engine Controls · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 17 more. Effective Dec 28, 2021 - [AD 2021-13-16](https://openairdocs.org/ad/2021-13-16): Engine Fuel Distribution · General Electric GEnx-2B67, GEnx-2B67/P and GEnx-2B67B. Effective Aug 25, 2021 - [AD 2021-11-07](https://openairdocs.org/ad/2021-11-07): Turbine Engine Compressor Section · General Electric Genx-1B76A/P2, GEnx-1B64, GEnx-1B64/P1 and 17 more. Effective Jul 30, 2021 - [AD 2020-25-10](https://openairdocs.org/ad/2020-25-10): Turbine Section · General Electric Genx-1B76A/P2, GEnx-1B64/P2, GEnx-1B67/P2 and 6 more. Effective Jan 21, 2021 - [AD 2020-20-11](https://openairdocs.org/ad/2020-20-11): Turbine Section · General Electric Genx-1B76A/P2, GEnx-1B64/P2, GEnx-1B67/P2 and 6 more. Effective Nov 3, 2020 - [AD 2020-13-04](https://openairdocs.org/ad/2020-13-04): Engine Controls · General Electric Genx-1B76A/P2, GEnx-1B54, GEnx-1B54/P1 and 28 more. Effective Jul 24, 2020 - [AD 2019-02-01](https://openairdocs.org/ad/2019-02-01): Turbine section · General Electric Genx-1B76A/P2, GEnx-1B54, GEnx-1B54/P1 and 28 more. Effective Feb 25, 2019 - [AD 2018-21-12](https://openairdocs.org/ad/2018-21-12): Engine Fuel Distribution · General Electric GEnx-2B67, GEnx-2B67/P and GEnx-2B67B. Effective Jan 4, 2019 ### Historical (superseded or no longer in force) - [AD 2018-16-07](https://openairdocs.org/ad/2018-16-07) (historical): Turbine Section · General Electric Genx-1B76A/P2, GEnx-1B54, GEnx-1B54/P1 and 28 more. Effective Aug 15, 2018 - [AD 2017-09-06](https://openairdocs.org/ad/2017-09-06) (historical): Engine · General Electric Genx-1B76A/P2, GEnx-1B54, GEnx-1B54/P1 and 28 more. Effective Jun 9, 2017 - [AD 2015-15-03](https://openairdocs.org/ad/2015-15-03) (historical): Power loss in ice crystal icing (ICI) conditions · General Electric GEnx-1B54, GEnx-1B54/P1, GEnx-1B54/P2 and 26 more. Effective Aug 24, 2015 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N747EF. ## FAA accident and incident reports None matched to N747EF. ## Service difficulty reports (3) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 2026F00033](https://openairdocs.org/sdr/2026F00033), Mar 11, 2026: CONNECTOR. BURNED. DURING ROUTINE MAINTENANCE, REMOVAL OF A RACK AND ITS ELECTRICAL COMPONENTS, IT WAS NOTICED THAT A ELECTRICLA CONNECTOR (PLUG/RECEPTACLE) STABILIZER FUEL PUMP W - [SDR 2025FA0000281](https://openairdocs.org/sdr/2025FA0000281), Apr 17, 2025: LINK. LOOSE. AXIAL LINK FAN COWL TO AGB AFT BEARING LOOSE BOTH SIDES --- SN F1A0RHFT AND F1A0RHFK - [SDR 2025FA0000255](https://openairdocs.org/sdr/2025FA0000255), Apr 8, 2025: PANEL. CRACKED. LH WING UPPER SKIN PANEL FOUND CRACKED, DELAMINATED, FOUND DURING INSPECTION PER B223914; EXTERNAL - GV: WING UPPER SKIN PANELS. TO INCLUDE: FORWARD OF LEADING ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Earlier aircraft with N747EF The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N747EF before. - [Cancelled 2015-05-14](https://openairdocs.org/deregistered/N747EF-2015-05-14): American Legend AL3, S/N AL-1089, built 2007. Sale reported, canceled. Owner: [Doral, FL](https://openairdocs.org/faa-place/FL/Doral) ## Related - Other Boeing 747-8B5 aircraft: https://openairdocs.org/model/boeing-747-8b5/aircraft.md - The GE GENX-2B67/P engine: https://openairdocs.org/engine/ge-genx-2b67-p.md --- 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.