N221UA2001 Boeing 777-222
Safety record in brief:No NTSB accidents or incidents since 198223 ADs may apply146 service difficulty reports
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- United Airlines INC
- Owner type
- Corporation
- City, state
- Chicago, IL
- Certificate issued
- Jun 13, 2019
- Expires
- Jun 30, 2029
- Airworthiness
- Standard · Transport
- Airworthiness date
- Jun 21, 2001
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Boeing
- Model
- 777-222
- Year
- 2001
- Serial number
- 30552
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 400
- Engines
- 2
- Max takeoff weight
- 20,000 and over lb
- Mode S code
- A1E67B
Engine
- Make and model
- P&W Pw4000 Ser
- Type
- Turbo-fan
- Power
- 60,000 lb thrust
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2019 – nowUnited Airlines INCChicago, IL · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (23)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2005-12-10 | Boeing Model 747-200F and -400 Series Airplanes; Model 767-400ER Series Airplanes; and… | Jul 20, 2005 | Airframe (777-222)Serial numbers per Boeing Service Bulletins 747-25-3313 Revision 1, 767-25-0335, and 777-25-0210 |
| 2004-05-26 | Boeing Model 777 Series Airplanes | Apr 19, 2004 | Airframe (777-222)Serial numbers per Boeing Service Bulletin 777-25-0191, dated September 13, 2001 |
| 2003-19-02 | Boeing Model 777 Series Airplanes | Oct 8, 2003 | Airframe (777-222)Certain serial numbers: 1–412. Only with: Limited by line numbers 1 through 412 inclusive. |
| 2003-12-01 | Boeing Model 777 Series Airplanes | Jul 17, 2003 | Airframe (777-222) |
| 2002-16-15 | Boeing Model 777 Series Airplanes | Sep 26, 2002 | Airframe (777-222)Certain serial numbers: 777 1–266. Only with: Limited to line numbers 1 through 266 inclusive. |
Show all 23 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2002-16-11 | Boeing Model 777 Series Airplanes | Sep 20, 2002 | Airframe (777-222)Certain serial numbers: 777 1–263. Only with: Applies by line numbers 1 through 263 inclusive. |
| 2002-11-06 | Boeing Model 777 Series Airplanes | Jul 10, 2002 | Airframe (777-222)Certain serial numbers: 777 1–369. Only with: Applies to line numbers 1 through 369 inclusive. |
| 2001-22-13 | Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes; and Model 747, 757… | Dec 6, 2001 | Airframe (777-222)Serial numbers per Boeing Service Bulletin 737-27A1214 Rev 1; Alert Service Bulletins 747-27A2373, 757-27A0129, 767-27A0159, 777-27A0030 |
| 2001-11-11 | Boeing Model 737, 747, and 777 Series Airplanes | Jul 16, 2001 | Airframe (777-222)Serial numbers per Boeing Service Bulletins 737-25-1371 Rev 2, 737-25-1407, 747-25-3196 Rev 1, 777-25-0111 Rev 1 |
| 2001-10-14 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Jun 8, 2001 | Airframe (777-222)Serial numbers per Boeing Special Attention Service Bulletins 737-35-1076, 737-35-1077, 747-35-2111, 757-35-0021, 757-35-0022, 767-35-0043, 767-35-0044, 777-35-0008, all dated March 1, 2001. Only with: Equipped with chemical oxygen generators. |
| 2001-03-09 | Boeing Model 777 Series Airplanes | Mar 23, 2001 | Airframe (777-222)Certain serial numbers: 777 1–155. Only with: Limited by line numbers 1 through 155 inclusive. |
| 2000-23-28 | Boeing Model 777 Series Airplanes | Jan 2, 2001 | Airframe (777-222) |
| 2000-15-16 | Boeing Model 737, 757, 767, and 777 Series Airplanes | Sep 12, 2000 | Airframe (777-222)Certain serial numbers: 737 1–2984; 757 1–798; 767 1–682; 777 1–083. Only with: Ranges are line numbers; equipped with Puritan-Bennett passenger and flight attendant oxygen masks as listed in Boeing Service Bulletins 737-35-1049, 757-35-0014, 767-35-0033, or 777-35-0005. |
| 2000-14-05 | Boeing Model 777 Series Airplanes | Jul 28, 2000 | Airframe (777-222)Serial numbers per Boeing Alert Service Bulletin 777-28A0019, dated April 27, 2000 |
| 2000-07-08 | Boeing Model 777 Series Airplanes | May 16, 2000 | Airframe (777-222)Certain serial numbers: 777 2–103; 777 105–119; 777 121–161; 777 163–177; 777 179–186. Only with: Applicability limited by line numbers, not serial numbers. |
| 2000-01-14 | Boeing Model 777 Series Airplanes | Feb 18, 2000 | Airframe (777-222)Serial numbers per Boeing Service Bulletin 777-57A0029, Revision 1, dated August 12, 1999 |
| 99-17-02 | Boeing Model 777 Series Airplanes | Sep 17, 1999 | Airframe (777-222)Serial numbers per Boeing Service Bulletin 777-53A0018, Revision 1, dated February 11, 1999 (Groups 1 and 2) |
| 99-15-10 | Boeing Model 777 Series Airplanes | Aug 5, 1999 | Airframe (777-222)Only with: Equipped with an engine-driven pump supply shutoff valve having Boeing part number S271W741-21. |
| 99-13-05 | Boeing Model 777 Series Airplanes | Jul 8, 1999 | Airframe (777-222)Serial numbers per Boeing Alert Service Bulletin 777-57A0008, dated March 25, 1999 |
| 99-10-14 | Boeing Model 747-400, 757, 767, and 777 Series Airplanes Equipped With AlliedSignal… | Jun 17, 1999 | Airframe (777-222)Only with: Equipped with AlliedSignal RIA-35B Instrument Landing System (ILS) receivers, P/N 066-50006-0101. |
| 98-13-12 R1 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Dec 28, 1998 | Airframe (777-222)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1 |
| 98-13-12 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Jul 6, 1998 | Airframe (777-222)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998 |
| 97-10-02 | Boeing Model 777 Series Airplanes | May 21, 1997 | Airframe (777-222) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (146)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
- Lights · guard · faultyMay 10, 2025
EMER LIGHTS GUARD WHEN CLOSED TURNS LIGHT SWITCH TOGGLE TO OFF POSITION. FOUND SWITCH GUARD NOT PULLING SWITCH FROM OFF TO ARMED WHEN SELECTED DOWN REPLACED SWITCH GUARD OPS NORMALZ.PARTS USED: 25-3351-3-0021, QTY :1
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · hook · no discrepancyMar 14, 2025
REMOVED ENTRY DOOR 1R GIRT BAR HOOKS REF AMM 53-11-01 TO FOM ASSOC. W/ PARENT LP PLACED GIRT BAR HOOKS IN POSITION, BOTH STILL NEED TO BE TORQUED IAW 52-11-00 ADD EMP:U409276 PARTS ORDERED TO HANGAR DROP OFF. REINSTALLED GRIT BAR FITTING TO MARK LOCATION. ARMED FEATURE OPS NORMAL PER AMM 53-11-01…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · charger · failedFeb 23, 2025
DR L1 M33093 EMER LIGHT BATTERY CHARGER TEST FAIL EMER LIGHT BATTERY CHARGER REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Lights · battery pack · no testFeb 23, 2025
DR L2 M33099 EMER LT BATTERY TEST FAIL EMER LIGHT BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · battery pack · no testFeb 23, 2025
LLAR EMER LT BATTERY TEST FAIL. EMER LT BATTERY PACK REPLACED AND TEST NORMAL AS PER AMM 33-51-06.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · charger · no testFeb 23, 2025
LLAR EMER LIGHT BATTERY CHARGER TEST FAIL 21007. EMER LIGHT BATTERY CHARGER REPLACED AND TESTED NORMAL AS PE R AMM 33-51-06.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · pump · faultedJan 3, 2025
INFLIGHT SHUTDOWN NO 2 ENGINE OIL PRESSURESNAPSHOT AHM CREW WAS DEBRIEF THIS IS AN UPDATE FROM TURN OVER SHIFT DEBRIEFING THAT THE RIGHT OIL PRESSURE CAUTION IN FLIGHT WITH CORRESPONDING RIGHT LOW PRESSURE INDICATION ALONG WITH 0 OIL QTY SHOWING, OCCURED AT 40,000 FEET APPROX. ALTITUDE APPROX 45…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Air conditioning and pressurization · unknown · odorDec 29, 2024
ELECTRICAL ODOR REPORTED AT DOOR 3L BELOW 10000 FEET. PED TURNED OFF DEBRIEFED CABIN CREW, SMELLED ELECTRICAL SMELL, THEY TURNED OFF ISPSS SYSTEM REF AMM23-38-09, SMELL WENT AWAY. OP CHECKED ISPSS IN ALL SEATS IN ARERA OF DR3L REF AMM23-38-09-710-812, OP CHECKED NORMAL, NO ADVERSE SMELLS, OK FOR…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Wings · hinge · missingAug 30, 2024
PDA 2 LEFT WING #3 CANOE FAIRING TRAILING EDGE IS MISSING HINGE AND SEAL. REMOVED AND REPLACED SEAL AND HINGE ASSY REF SRM 51-40-02. CYCLED FLAPS. OPS CHECK GOOD PARTS USED: 25-5726-3-0119,QTY :1
From FAA Service Difficulty Reports; matched by N-number and serial number. - Landing gear · uplock · missingMay 22, 2024
PDA 2 RIGHT MLG UPLOCK ASSY FORWARD SPRING MISSING. PIC ADDED. SEE L/P 8042407 FOR NEW LOG.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 146 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026