# N23994: 2025 Boeing 787-9 - Status: Valid registration - Airframe: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (registry code 1385609, 422 seats) - Engine: [GE GENX-1B76A/P2](https://openairdocs.org/engine/ge-genx-1b76a-p2) (registry code 30231) - Data sheets: [TCDS T00021SE](https://openairdocs.org/tcds/T00021SE) (The Boeing Company), [TCDS E00078NE](https://openairdocs.org/tcds/E00078NE) (General Electric Company GE Aerospace) (OpenAirDocs) - Serial number: 68622 - Year built: 2025 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: May 16, 2025 - Certificate issued: May 20, 2025 - Expires: May 31, 2032 - Mode S code: A22D9F - Registered owner: [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC) - Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago) - Owner type: Corporation - Owner's area on the map: 41.8813° N, 87.6375° W: Placed by OpenAirDocs at the center of ZIP code 60606, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23994 - Page: https://openairdocs.org/aircraft/N23994 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): 93 in force ### Matched by airframe (Boeing 787-9) - [AD 2026-20-16](https://openairdocs.org/ad/2026-20-16): Powerplant · Boeing 787-8, 787-9 and 787-10. Effective Nov 23, 2026 - [AD 2026-20-10](https://openairdocs.org/ad/2026-20-10): Flight Controls · Boeing 787-8, 787-9 and 787-10. Effective Nov 12, 2026 - [AD 2026-20-01](https://openairdocs.org/ad/2026-20-01): Fuselage · Boeing 787-8, 787-9 and 787-10. Effective Nov 2, 2026 - [AD 2026-20-02](https://openairdocs.org/ad/2026-20-02): Air · Boeing 787-8, 787-9, Trent 1000-A and 17 more. Effective Oct 14, 2026 - [AD 2026-17-02](https://openairdocs.org/ad/2026-17-02): Wings · Boeing 787-8, 787-9 and 787-10. Effective Oct 1, 2026 - [AD 2026-13-07](https://openairdocs.org/ad/2026-13-07): Equipment/furnishings · Boeing 787-8, 787-9 and 787-10. Effective Aug 6, 2026 - [AD 2026-12-07](https://openairdocs.org/ad/2026-12-07): Auto flight · Boeing 787-8, 787-9 and 787-10. Effective Jul 20, 2026 - [AD 2026-13-11](https://openairdocs.org/ad/2026-13-11): Navigation · Boeing 787-8, 787-9 and 787-10. Effective Jul 1, 2026 - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2026-09-01](https://openairdocs.org/ad/2026-09-01): Water/waste · Boeing 787-8, 787-9 and 787-10. Effective Jun 3, 2026 - [AD 2026-05-01](https://openairdocs.org/ad/2026-05-01): Navigation · Boeing 787-8, 787-9 and 787-10. Effective Apr 16, 2026 - [AD 2026-02-10](https://openairdocs.org/ad/2026-02-10): Water/waste · Boeing 787-8, 787-9 and 787-10. Effective Mar 9, 2026 - [AD 2026-01-06](https://openairdocs.org/ad/2026-01-06): Fuselage · Boeing 787-9 and 787-10. Effective Feb 20, 2026 - [AD 2026-01-04](https://openairdocs.org/ad/2026-01-04): Fuselage · Boeing 787-9 and 787-10. Effective Feb 20, 2026 - [AD 2025-23-06](https://openairdocs.org/ad/2025-23-06): Fuselage · Boeing 787-9 and 787-10. Effective Jan 13, 2026 - [AD 2025-23-05](https://openairdocs.org/ad/2025-23-05): Fuselage · Boeing 787-8, 787-9 and 787-10. Effective Jan 13, 2026 - [AD 2025-20-03](https://openairdocs.org/ad/2025-20-03): Equipment/furnishings · Boeing 787-8, 787-9 and 787-10. Effective Nov 6, 2025 - [AD 2025-18-02](https://openairdocs.org/ad/2025-18-02): Oxygen · Boeing 787-8, 787-9 and 787-10. Effective Oct 22, 2025 - [AD 2025-11-05](https://openairdocs.org/ad/2025-11-05): Fuselage · Boeing 787-8, 787-9 and 787-10. Effective Jul 8, 2025 - [AD 2025-06-13](https://openairdocs.org/ad/2025-06-13): Fuselage · Boeing 787-9 and 787-10. Effective Jul 2, 2025 - [AD 2025-09-12](https://openairdocs.org/ad/2025-09-12): Fuselage · Boeing 787-8, 787-9 and 787-10. Effective Jun 18, 2025 - [AD 2025-06-10](https://openairdocs.org/ad/2025-06-10): Stabilizers · Boeing 787-8, 787-9 and 787-10. Effective May 2, 2025 - [AD 2025-01-09](https://openairdocs.org/ad/2025-01-09): Windows · Boeing 787-8, 787-9 and 787-10. Effective Mar 11, 2025 - [AD 2024-22-05](https://openairdocs.org/ad/2024-22-05): Landing gear · Boeing 787-8, 787-9 and 787-10. Effective Dec 31, 2024 - [AD 2024-18-02](https://openairdocs.org/ad/2024-18-02): Equipment/furnishings · Boeing 787-8, 787-9 and 787-10. Effective Nov 12, 2024 - [AD 2024-16-07](https://openairdocs.org/ad/2024-16-07): Navigation · Boeing 787-8, 787-9 and 787-10. Effective Oct 23, 2024 - [AD 2024-13-05](https://openairdocs.org/ad/2024-13-05): Nacelles/pylons · Boeing 787-8, 787-9 and 787-10. Effective Sep 24, 2024 - [AD 2024-16-14](https://openairdocs.org/ad/2024-16-14): Equipment/furnishings · Boeing 787-8, 787-9 and 787-10. Effective Aug 21, 2024 - [AD 2024-01-04](https://openairdocs.org/ad/2024-01-04): Turbine/turboprop engine · Boeing 787-9, 787-8 and 787-10. Effective Mar 7, 2024 - [AD 2023-25-10](https://openairdocs.org/ad/2023-25-10): Equipment/furnishings · Boeing 787-8, 787-9 and 787-10. Effective Feb 7, 2024 - [AD 2023-19-09](https://openairdocs.org/ad/2023-19-09): Auto flight · Boeing 787-8, 787-9 and 787-10. Effective Nov 6, 2023 - [AD 2023-10-09](https://openairdocs.org/ad/2023-10-09): Fire Protection · Boeing 787-8, 787-9 and 787-10. Effective Jun 26, 2023 - [AD 2023-12-10](https://openairdocs.org/ad/2023-12-10): Navigation · Boeing 787-8, 787-9 and 787-10. Effective Jun 21, 2023 - [AD 2023-08-02](https://openairdocs.org/ad/2023-08-02): Cargo and accessory compartments · Boeing 787-8, 787-9 and 787-10. Effective Jun 20, 2023 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2023-05-04](https://openairdocs.org/ad/2023-05-04): Hydraulic power · Boeing 787-8, 787-9 and 787-10. Effective May 12, 2023 - [AD 2022-24-11](https://openairdocs.org/ad/2022-24-11): Fire protection · Boeing 787-8, 787-9 and 787-10. Effective Jan 18, 2023 - [AD 2022-14-04](https://openairdocs.org/ad/2022-14-04): Fuel · Boeing 787-8, 787-9 and 787-10. Effective Oct 6, 2022 - [AD 2022-15-01](https://openairdocs.org/ad/2022-15-01): Stabilizers · Boeing 787-8, 787-9 and 787-10. Effective Aug 25, 2022 - [AD 2022-09-08](https://openairdocs.org/ad/2022-09-08): Stabilizers · Boeing 787-8, 787-9 and 787-10. Effective Jul 7, 2022 - [AD 2022-03-21](https://openairdocs.org/ad/2022-03-21): Fuel · Boeing 787-8, 787-9 and 787-10. Effective Apr 11, 2022 - [AD 2022-02-14](https://openairdocs.org/ad/2022-02-14): Main landing gear · Boeing 787-8, 787-9 and 787-10. Effective Mar 30, 2022 - [AD 2021-24-14](https://openairdocs.org/ad/2021-24-14): Thrust Reverser · Boeing 787-8, 787-9 and 787-10. Effective Feb 15, 2022 - [AD 2021-23-21](https://openairdocs.org/ad/2021-23-21): Fuselage · Boeing 787-8 and 787-9. Effective Jan 10, 2022 - [AD 2021-23-20](https://openairdocs.org/ad/2021-23-20): Fuselage · Boeing 787-8 and 787-9. Effective Jan 10, 2022 - [AD 2021-02-06](https://openairdocs.org/ad/2021-02-06): Fire protection · Boeing 787-10, 787-8 and 787-9. Effective Mar 30, 2021 - [AD 2020-20-09](https://openairdocs.org/ad/2020-20-09): Flight Controls · Boeing 787-8 and 787-9. Effective Nov 13, 2020 - [AD 2020-17-13](https://openairdocs.org/ad/2020-17-13): Air conditioning · Boeing 787-8 and 787-9. Effective Oct 8, 2020 - [AD 2020-17-02](https://openairdocs.org/ad/2020-17-02): Fuel, Engine · Boeing 747-8 Series, 747-8F Series, 787-10 and 2 more. Effective Aug 25, 2020 - [AD 2020-06-14](https://openairdocs.org/ad/2020-06-14): Integrated Modular Avionics · Boeing 787-10, 787-8 and 787-9. Effective Apr 7, 2020 ### Matched by engine (GE GENX-1B76A/P2) - [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 2022-18-04](https://openairdocs.org/ad/2022-18-04): Engine Fuel Distribution · General Electric GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2 and 14 more. Effective Oct 12, 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 2021-11-07](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 2021-02-07](https://openairdocs.org/ad/2021-02-07): Engine Fuel Distribution · General Electric Genx-1B76A/P2, GEnx-1B64, GEnx-1B64/P1 and 14 more. Effective Mar 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 2020-20-12](https://openairdocs.org/ad/2020-20-12): Turbine Engine Combustion Section · General Electric Genx-1B76A/P2, GEnx-1B64, GEnx-1B64/P1 and 14 more. Effective Nov 5, 2020 - [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 2017-12-02](https://openairdocs.org/ad/2017-12-02): Fuel Injector Nozzle · General Electric Genx-1B76A/P2, GEnx-1B64, GEnx-1B64/P1 and 13 more. Effective Jul 13, 2017 ### Historical (superseded or no longer in force) - [AD 2024-01-01](https://openairdocs.org/ad/2024-01-01) (historical): Water/waste · Boeing 787-8, 787-9 and 787-10. Effective Mar 7, 2024 - [AD 2023-08-04](https://openairdocs.org/ad/2023-08-04) (historical): Water/waste · Boeing 787-8, 787-9 and 787-10. Effective Jun 29, 2023 - [AD 2022-02-16](https://openairdocs.org/ad/2022-02-16) (historical): Navigation · Boeing 787-8, 787-9 and 787-10. Effective Jan 19, 2022 - [AD 2021-08-19](https://openairdocs.org/ad/2021-08-19) (historical): Fire protection · Boeing 787-10, 787-8 and 787-9. Effective May 5, 2021 - [AD 2021-02-19](https://openairdocs.org/ad/2021-02-19) (historical): Fire protection · Boeing 787-10, 787-8 and 787-9. Effective Mar 8, 2021 - [AD 2020-26-08](https://openairdocs.org/ad/2020-26-08) (historical): Engine Exhaust · Boeing 787-10, 787-8 and 787-9. Effective Jan 27, 2021 - [AD 2020-24-04](https://openairdocs.org/ad/2020-24-04) (historical): Auto flight · Boeing 787-10, 787-8 and 787-9. Effective Dec 18, 2020 - [AD 2019-02-03](https://openairdocs.org/ad/2019-02-03) (historical): Fire protection · Boeing 787-10, 787-8 and 787-9. Effective Feb 22, 2019 - [AD 2018-05-06](https://openairdocs.org/ad/2018-05-06) (historical): Equipment/Furnishings · Boeing 787-8 and 787-9. Effective Apr 11, 2018 - [AD 2017-15-04](https://openairdocs.org/ad/2017-15-04) (historical): Flight controls · Boeing 787-8 and 787-9. Effective Aug 25, 2017 - [AD 2017-01-02](https://openairdocs.org/ad/2017-01-02) (historical): Flight Control Systems · Boeing 787-8 and 787-9. Effective Feb 21, 2017 - [AD 2016-24-09](https://openairdocs.org/ad/2016-24-09) (historical): Flight Controls · Boeing 787-8 and 787-9. Effective Dec 2, 2016 - [AD 2016-09-12](https://openairdocs.org/ad/2016-09-12) (historical): Equipment/Furnishings · Boeing 787-8 and 787-9. Effective May 23, 2016 - [AD 2016-07-10](https://openairdocs.org/ad/2016-07-10) (historical): Flight controls · Boeing 787-8 and 787-9. Effective Apr 14, 2016 - [AD 2015-09-07](https://openairdocs.org/ad/2015-09-07) (historical): Electrical power · Boeing 787-8 and 787-9. Effective May 1, 2015 - [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 All 110: https://openairdocs.org/aircraft/N23994/ads.md ## Information bulletins (advisory) (9 in force) - [SAIB 2025-09](https://openairdocs.org/saib/2025-09): INSTRUMENT PANEL, Potential Installation of Lockwire on Switch Guards that May Restrict Access to Passenger Oxygen and Ram Air Turbine (RAT) Switches. Issued Sep 8, 2025 - [SAIB AIR-22-09R1](https://openairdocs.org/saib/AIR-22-09R1): AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.. Issued May 17, 2022 - [SAIB AIR-20-19](https://openairdocs.org/saib/AIR-20-19): Flight Management Computing Software System. Issued Nov 16, 2020 - [SAIB AIR-20-15](https://openairdocs.org/saib/AIR-20-15): Navigation Localizer System. Issued Sep 24, 2020 - [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020 - [SAIB NM-20-06](https://openairdocs.org/saib/NM-20-06): Electrical Power System: Lug Terminal Tracks. Issued Apr 13, 2020 - [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018 - [SAIB NM-17-15](https://openairdocs.org/saib/NM-17-15): Equipment/Furnishings - Inflatable Airbag Assembly. Issued Jun 6, 2017 - [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014 - [SAIB AIR-22-09](https://openairdocs.org/saib/AIR-22-09) (historical): AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.. Issued Apr 12, 2022 ## NTSB investigations (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 DCA26LA167](https://openairdocs.org/ntsb/DCA26LA167), Mar 29, 2026: Boeing 787-9 (N23994), Pacific Ocean (Pacific Ocean), no damage. Probable cause: An unanticipated encounter with clear air turbulence while in cruise flight. ## FAA accident and incident reports (2) 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 20260329013039A](https://openairdocs.org/incident/20260329013039A), Mar 29, 2026: Boeing 787-9 (N23994), No damage. Once established at cruise at FL300, the captain kept the seat belt light illuminated and allowed the flight attendants to begin their service. Within the… - [Accident 20260329013029A](https://openairdocs.org/incident/20260329013029A), Mar 29, 2026: Boeing 787-9 (N23994), San Francisco, CA, No damage. While at cruise altitude, the flight encountered unexpected turbulence. The captain made an announcement for flight attendants to take their jumpseats. While… ## Service difficulty reports (5) 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 CALA2026011312913](https://openairdocs.org/sdr/CALA2026011312913), Jan 6, 2026: SLIDE. NO DISCREPANCY. DOOR L1 CIRCUIT BREAKERS PULLED AND EMERGENCY ESCAPE SLIDE SAFETY PINS INSTALLED IAW DMC-B787-A-25-66-01-01B-520A-A. DOOR L1 CIRCUIT BREAKERS CLOSED AND EMERGEN - [SDR CALA2026010712728](https://openairdocs.org/sdr/CALA2026010712728), Jan 5, 2026: ELEC CONNECTOR. DIRTY. BEFORE DEP EICAS STAT MSG DOOR EPAS SENSOR L2 DOOR EPAS MODULE 2L AND DOOR ENTRY IND 2L DISPLAYED MM42-02474 RDC 15 GROUND TEST BUT STILL ACTIVE AFTER THAT EMER - [SDR CALA2025122312316](https://openairdocs.org/sdr/CALA2025122312316), Dec 22, 2025: LIGHT. INOPERATIVE. EMERGENCY PATH LIGHT SEAT D INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT IAW STEPS IN IFM25-25-89. OPS CHECKED GOOD. - [SDR CALA2025091508908](https://openairdocs.org/sdr/CALA2025091508908), Sep 12, 2025: LENS. BROKEN. EMERGENCY FLOOR PROXIMITY LIGHTS OF THE SEATS 2D, 4D AND 6D INOPERATIVE. REMOVED AND REPLACED EMERGENCY FLOOR PROXIMITY LIGHTS IN AMM REF: 33-51-06 AND ITEM OK. - [SDR CALA2025061905720](https://openairdocs.org/sdr/CALA2025061905720), Jun 19, 2025: ACM. CONTAMINATED. LEFT PACK FAILURE. PERFORMED VISUAL INSPECTION ON LT PACK AREA, UPON OPENING LEFT PACK DOOR FOUND GRAY SUBSTANCE WITH METALLIC FRAGMENT IN IT, BELIEVE TO BE COM ## STCs that may be installed (OpenAirDocs) (56, first 50) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Boeing 787-9) - [STC ST02730SE](https://openairdocs.org/stc/ST02730SE): Installation of a VIP interior. Greenpoint Technologies, Inc - [STC ST12361SE](https://openairdocs.org/stc/ST12361SE): Replacement of Business Class Venture Seat Furniture Obsolescence parts (brush seals, backshell primer, gloss clear coat, and hook-and-loop velcro fasteners). Jamco America Inc - [STC ST09847DS](https://openairdocs.org/stc/ST09847DS): This STC enables activation of business mini-suites doors. United Airlines - [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG - [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects - [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc - [STC ST02735SE](https://openairdocs.org/stc/ST02735SE): Electrical outlet installation - Boeing 787-8 and 787-9 VIP. Greenpoint Technologies, Inc - [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc - [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc - [STC ST12335IB](https://openairdocs.org/stc/ST12335IB): Installation of B787-9 Cabin Modification. Lufthansa Technik AG - [STC ST09845DS](https://openairdocs.org/stc/ST09845DS): Foldable Table Installation. United Airlines - [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST12096CH](https://openairdocs.org/stc/ST12096CH): Panasonic In-Flight Entertainment (IFE) and Viasat In-Flight Connectivity (IFC) System Integration. Envoy Aerospace LLC - [STC ST04566AT](https://openairdocs.org/stc/ST04566AT): Replacement of the AY01-BEA-TSPCU-LRU-01 Touch Screen Power Control Unit (TSPCU) with the AV2232 to control the premium cabin seats position. B/E Aerospace, Inc Aftermarket Services (B/E-AS) - [STC ST12053IB](https://openairdocs.org/stc/ST12053IB): Installation of LATAM 787-9 Cabin Reconfiguration. BOEING IRELAND LIMITED - [STC ST11266DS](https://openairdocs.org/stc/ST11266DS): Activation of business class mini-suite doors. American Airlines Inc., M&E Engineering Division - [STC ST12056IB](https://openairdocs.org/stc/ST12056IB): The Manufacture and Installation of External Printed Aircraft Graphics Film. Libellule Monde Inc - [STC ST11928SE](https://openairdocs.org/stc/ST11928SE): Installation of an interior reconfiguration. Northwest Aerospace Technologies Inc - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST03436NY](https://openairdocs.org/stc/ST03436NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System. Delta Engineering Corporation - [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH - [STC ST04078NY](https://openairdocs.org/stc/ST04078NY): Update of Intelsat Cabin Connectivity and Connectivity Antenna. Delta Engineering Corporation - [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH - [STC ST00211IB](https://openairdocs.org/stc/ST00211IB): Installation of Cabin layout configuration from 338 Passenger (56 Premium Economy (PY) / 282 Tourist Class (Y)) to 320. BOEING IRELAND LIMITED - [STC ST02709SE](https://openairdocs.org/stc/ST02709SE): Modification of existing Jamco lavatory doors to install a new door handle, latch knob and placards. Jamco America Inc - [STC ST02773SE](https://openairdocs.org/stc/ST02773SE): Replacement of existing decorative laminate. Jamco America Inc - [STC ST04574AT](https://openairdocs.org/stc/ST04574AT): Installation of the Avionics Support Group Constant Friction Mount (cfMount) and Cradle. Avionics Support Group Inc - [STC ST00126IB](https://openairdocs.org/stc/ST00126IB): Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent. AMAC Aerospace Switzerland AG - [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH - [STC ST00110IB](https://openairdocs.org/stc/ST00110IB): Introduction of Premium Economy Cabin (PEC). BOEING IRELAND LIMITED - [STC ST04609CH](https://openairdocs.org/stc/ST04609CH): Medical Interior Installation. Spectrum Aeromed LLC - [STC ST00105IB](https://openairdocs.org/stc/ST00105IB): Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices. AMAC AEROSPACE SWITZERLAND AG - [STC ST03422NY](https://openairdocs.org/stc/ST03422NY): Update of Intelsat components. Delta Engineering Corporation - [STC ST01963WI](https://openairdocs.org/stc/ST01963WI): Installation of Integra Pulse Portable Oxygen Bottle. B/E Aerospace - [STC ST02755LA](https://openairdocs.org/stc/ST02755LA): Installation of Cargo Handling Access Door Assembly. Hartwell Corporation - [STC ST04453NY](https://openairdocs.org/stc/ST04453NY): Installation of United Airlines Cabin Reconfiguration - Business Class, Premium Economy and Economy Class Seating. Boeing Ireland Limited - [STC ST04524NY](https://openairdocs.org/stc/ST04524NY): Removal of passenger seats for Zero Occupancy in Passenger Cabin. Boeing Ireland Limited - [STC ST04425CH](https://openairdocs.org/stc/ST04425CH): Installation of a Honeywell One Aero Edge Node (1AEN) in accordance with StandardAero Master Data List 1037081, Revision (B), dated June 9, 2020 or later FAA approved revision. StandardAero Business Aviation Services LLC - [STC ST04424CH](https://openairdocs.org/stc/ST04424CH): TPED Compatibility Test in accordance with StandardAero Master Data List 1037140, Revision (B), dated June 1, 2020 or later FAA approved revision. Standard Aero Business Aviation Services LLC - [STC ST02675SE](https://openairdocs.org/stc/ST02675SE): Installation of JAMCO America "Venture" B/C Seat Furniture Delamination Repair Service Bulletin. Jamco America Inc - [STC ST02681SE](https://openairdocs.org/stc/ST02681SE): Replacement of Jamco galley waste containers. Jamco America Inc - [STC ST04406NY](https://openairdocs.org/stc/ST04406NY): Installation of Upper Class Suite (UCS) Refresh Programme. SAFRAN SEATS - [STC ST02648SE](https://openairdocs.org/stc/ST02648SE): Handle replacement for galley chiller compartment. Jamco America Inc - [STC ST09898AC](https://openairdocs.org/stc/ST09898AC): Installation of alternative/replacement trolleys and container; trolley part numbers. Driessen Aircraft Interior Systems USA Inc - [STC ST11214DS](https://openairdocs.org/stc/ST11214DS): Installation of Dukane underwater acoustic beacon. VT DRB Aviation Consultants - [STC ST02562SE](https://openairdocs.org/stc/ST02562SE): Installation of monument modifications on Boeing Model 787-9 aircraft. Jamco America Inc - [STC ST03846NY](https://openairdocs.org/stc/ST03846NY): Installation of SuperSeal UltraLite (SSUL) PHOTOLUMINESCENT AISLE PATH MARKING SYSTEM. STG Aerospace Ltd - [STC ST02586SE](https://openairdocs.org/stc/ST02586SE): Closet stowage capacity modifications on Boeing 787-9 series. B/E Aerospace Inc - FSI - [STC ST00386BO](https://openairdocs.org/stc/ST00386BO): Installation of Hamilton Sundstrand Supplemental Cooling Unit (SCU) P/N 7011015H02EX (service life escalation). United Technologies All 56: https://openairdocs.org/aircraft/N23994/stcs.md ## Earlier aircraft with N23994 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N23994 before. - [Cancelled 1981-05-06](https://openairdocs.org/deregistered/N23994-1981-05-06): Beech C24R, S/N MC-474, built 1977. Owner: [Holmes Dean](https://openairdocs.org/faa-owner/HOLMES%20DEAN), [Federal Way, WA](https://openairdocs.org/faa-place/WA/Federal%20Way) ## Related - Other Boeing 787-9 aircraft: https://openairdocs.org/model/boeing-787-9/aircraft.md - The GE GENX-1B76A/P2 engine: https://openairdocs.org/engine/ge-genx-1b76a-p2.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.