- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 66136
- Year built
- 2020
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- February 26, 2020
- Certificate issued
- February 27, 2020
- Expires
- February 28, 2030
- Mode S code
- A31A56
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 93
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2015 | 1 |
|---|---|
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 13 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 18 |
See all 110 ADs
Information bulletins that may apply · 9
Advisory, not mandatory.
Airframe · Boeing 787-9
SAIB 2025-09INSTRUMENT PANEL, Potential Installation of Lockwire on Switch Guards that May Restrict Access to Passenger Oxygen and Ram Air Turbine (RAT) SwitchesSAIB AIR-22-09R1AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.SAIB AIR-20-19Flight Management Computing Software SystemSAIB AIR-20-15Navigation Localizer SystemSAIB NM-20-07Navigation - Glideslope SystemSAIB NM-20-06Electrical Power System: Lug Terminal TracksSAIB NM-18-33Engine Fuel and ControlSAIB NM-17-15Equipment/Furnishings - Inflatable Airbag AssemblySAIB NM-15-03Flight ControlsNTSB investigations
No NTSB investigations matched to N29977Matched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Boeing 787-9 aircraft
FAA incident reports
No FAA accident or incident reports matched to N29977Matched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Boeing 787-9 aircraft
Service difficulty reports · 9
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2025041103689Control Unit · faultedDURING C1 HBBC REPLACEMENT, UNABLE TO DISCONNECT BATTERY WITHOUT EMER LTS IN POLARIS SECTION TURNING ON. FOUND WELS CU CLASS 17 INOP AND NO COMM. CONTROL UNIT REPLACEMENT NEEDED. REPLACED CLASS 17 EMERGENCY LIGHT CONTROL UNIT. CONFIG SHOWS 28 OF 28 RESPONDING.SDR CALA2023062802049Pec · warning lightLIQUID CLG QTY L EICAS DISPLAYED UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. SERVICED SYSTEM TO OPERATING LIMITS, CHECKED LINES AND FITTINGS FOR LEAKS. NO LEAKS NOTED AT THIS TIME. OK TO CONTINUE.SDR CALA2023061901925Skin · scratchedSCRATCH AT AFT FUSELAGE SECTION 48AFT BETWEEN STA 2064.5 TO 2105.5 STRINGERS BETWEEN S23R TO S28R AREA L 46" X W 1/2" X Y0,056" APPROX. L 46? X W 1/2? MAX. A 3? SECTION OF THE SCRATCH HAS DAMAGES IDENTIFIED AND NO VISIBLE MOISTURE. CLEANED SURFACE AND FIBER DASDR CALA2023061901923Stringer · unknownSTRINGERS S-23R AND S-28R BETWEEN STA 2065 AND STA 2105 INTERIM REPAIR REF ECRA 5380-01365 PART 1 STEP 6 NEED TO CREATE A SECOND DIP. REF ECRA 5380-01365 PER PART 1 STEP 6 PLANNING TO CONTACT ENGINE ERING AFTER 22 MONTHS BUT BEFORE 23 MONTHS FOR PERMANENT REPASDR CALA2023061901921Stringer · unknownSTRINGERS S-31R (STA1880-STA1930) AND S-33R (STA1880-STA1950)- INTERIM REPAIR. REF ECRA 5380-01366. REF ECRA 5380-01366 PART 1 INTERIM REPAIR ACCOMPLISHED PER PART 3 PERMANENT REPAIR REQD ON OR BEFORE JUNE 15 2025 STRINGERS S-31R (STA1880-STA1930) AND S-33R (SSDR CALA2023061901918Rib · crackedUPON REMOVAL OF PANEL 621QB DISCOVERED BOTTOM OF RIB ASSY P/N 162Z1531-504 (REFERENCE IPD 57-41-09-45 ITEM 85),AT APPROX WSTA 1063.85, CRACKED AND DENTED ABOVE DAMAGED AREA FOR WHICH THE PANEL WAS REMOVED. REFERENCE. UPDATED LOG PAGE WITH PICTURES. ADDED PIC FSDR CALA2022030700581Light · noneSEAT 3D FORWARD FLOOR EMERGENCY LIGHT FOUND DETACHED ON CABIN WALK AROUND. REPLACED SEAT 3D FLOOR PRIOX LIGHT WHICH WAS FOUND DETATCH LIGHT ASSY REPLACED AND INSTALLED PER AMM 33-51-06-00A-720A AND OPS TESTED PER AMM B787-A-33-51-00-00C+320A-ASDR CALA2021020800145Gcu · malfunctionedELEC GEN CTRL UNIT R1 RIGHT 1 GENERATOR CONTROL UNIT (GCU) IS INOPERATIVE. FIM TASK REF : 24-20-F0-L7A-421A-A CMC MSG# 2419502 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: 24 BPCU GATEWAY OPS (LE FT) CMC MSG# 2416694 FLIGHTSDR CALA2020111301260Guard · failedEMERGENCY EXIT LIGHT GUARD TURNS EXIT LIGHTS OFF WHEN CLOSED IN COCKPIT. REPLACED SWITCH GUARD NOW OPERATIONS NORMALLY.
STCs that may be installed · 56
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Boeing 787-9
Earlier aircraft with this N-number · 2
These aircraft carried N29977 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.