Accident
Nov 1, 2003 · Denver, COthe in-flight encounter with heavy to moderate turbulence.
- Injuries
- Serious
- Report
- DEN04LA019
From NTSB records; matched by serial number.Read NTSB report (search CAROL for DEN04LA019)
N956UA1993 Boeing 737-522
DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026
This N-number isn't registered right now. Below is its last known registration, canceled Jul 6, 2005.
Safety record in brief:2 NTSB events (latest Nov 2003)21 ADs may apply13 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 20, 2026- Last registered owner
- Wells Fargo Bank Northwest NA Trustee
- Owner type
- Corporation
- City, state
- Salt Lake City, UT
- Certificate issued
- Nov 16, 2004
- Canceled
- Jul 6, 2005
- Airworthiness
- Standard · Transport
- Airworthiness date
- Aug 2, 1993
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
- 737-522
- Year
- 1993
- Serial number
- 26704
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 149
- Engines
- 2
- Max takeoff weight
- 20,000 and over lb
- Mode S code
- AD4CB4
Engine
- Make and model
- Cfm Intl. Cfm56 Series
- Type
- Turbo-fan
- Power
- 2200 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2004 – 2005Wells Fargo Bank Northwest NA TrusteeSalt Lake City, UT
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 (2)
Incident
Jul 15, 1997 · Ontario, CAa laser light source of undetermined origin directed toward the cockpit window of an aircraft in-flight by a person or persons unknown.
- Injuries
- None
- Report
- LAX97IA243
From NTSB records; matched by serial number.Read NTSB report (search CAROL for LAX97IA243)
ADs published since 1998 that may apply (21)
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 |
|---|---|---|---|
| 2019-14-02 | Hydraulic power | Aug 27, 2019 | Airframe (737-522) |
| 2002-20-07 R1 | Boeing Model 737 Series Airplanes | Nov 12, 2002 | Airframe (737-522) |
| 2002-20-07 | Boeing Model 737 Series Airplanes | Nov 12, 2002 | Airframe (737-522) |
| 2001-11-11 | Boeing Model 737, 747, and 777 Series Airplanes | Jul 16, 2001 | Airframe (737-522)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 (737-522)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. |
Show all 21 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2001-08-24 | Boeing Model 737 Series Airplanes | May 10, 2001 | Airframe (737-522) |
| 2000-22-02 R1 | Boeing Model 737 Series Airplanes | Nov 13, 2000 | Airframe (737-522) |
| 2000-22-02 | Boeing Model 737 Series Airplanes | Nov 13, 2000 | Airframe (737-522) |
| 2000-15-16 | Boeing Model 737, 757, 767, and 777 Series Airplanes | Sep 12, 2000 | Airframe (737-522)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. |
| 99-11-05 | Boeing Model 737 Series Airplanes | Jun 28, 1999 | Airframe (737-522) |
| 99-22-16 | Boeing Model 737 Series Airplanes | Dec 7, 1999 | Airframe (737-522)Serial numbers per Boeing Service Bulletin 737-52-1128, dated April 22, 1999, or Boeing Service Bulletin 737-52-1137, dated May 13, 1999 |
| 98-13-12 R1 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Dec 28, 1998 | Airframe (737-522)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1 |
| 98-22-10 | Boeing Model 737 Series Airplanes | Nov 12, 1998 | Airframe (737-522)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989 |
| 98-18-20 | Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel… | Oct 21, 1998 | Airframe (737-522)Only with: Equipped with J.C. Carter Company fuel valve actuators P/N 40574-2 (Kearfott Models 3715-7 and -8) or 40574-5 (Kearfott Model 3715-9). |
| 98-13-12 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Jul 6, 1998 | Airframe (737-522)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998 |
| 98-03-10 | Boeing Model 737, 747, 757, and 767 Series Airplanes | Feb 19, 1998 | Airframe (737-522)Certain serial numbers: 737 1–2836; 747 1–1104; 757 1–731; 767 1–642. Only with: Equipped with non-powered IPECO pilots' seats; ranges are line position numbers. |
| 97-22-07 | Boeing Model 737 Series Airplanes | Nov 12, 1997 | Airframe (737-522)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive. |
| 97-18-06 | Boeing Model 737 Series Airplanes | Nov 12, 1997 | Airframe (737-522) |
| 97-05-10 | Boeing Model 737 Series Airplanes | Mar 19, 1997 | Airframe (737-522)Only with: Having a main rudder power control unit (PCU) identified in Boeing Service Letter 737-SL-27-112-B, dated February 6, 1997. |
| 97-04-01 | Boeing Model 737 Series Airplanes | Mar 21, 1997 | Airframe (737-522)Serial numbers per Boeing Service Bulletin 737-27-1155, dated October 26, 1989, as revised by Notices of Status Change 737-27-1155NSC1, NSC2, and NSC3 |
| 95-23-10 | Boeing Model 737 Series Airplanes | Dec 13, 1995 | Airframe (737-522) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (13)
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.
- Fuselage · skin · dentedFeb 28, 2003
EXTERNAL FUSELAGE HAS 3 EA DENTS BELOW AND ABOVE DOUBLER STA 384 - 390 S17L. MAJOR REPAIR ACCOMPLISHED. INSTALLED NEW DOUBLER.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · frame · crackedFeb 28, 2003
LEFT STATION 188 FRAME CRACKED IN RAD ON AFT SIDE JUST ABOVE FLOOR LINE. MAJOR REPAIR ACCOMPLISHED. INSTALLED ANGLE REPAIR AND EXTERNAL SKIN DOUBLER.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · crease beam · damagedFeb 27, 2003
AFT ENTRY DOOR THRESHOLD CREASE BEAM OUTER CHORD ROUTED OUT BEYOND LIMITS STATION 968 STRINGER 17L. MAJOR REPAIR ACCOMPLISHED. INSTALLED STRAP REPAIR.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Fuselage · crease beam · corrodedFeb 25, 2003
AFT CABIN FLOOR STRUCTURE, INNER CREASE BEAM AT STRINGER 17R BETWEEN STA. 947.5 TO 990 IS CORRODED. MAJOR REPAIR ACCOMPLISHED. INSTALLED NEW CREASEBEAM PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · bulkhead · crackedSep 28, 2000
CRACK FOUND ON THE BODY STATION 178 BULKHEAD WEB. SUPPLEMENTAL DATA UPDATE CRACKS REPAIRED PER BOEING SRM 53-10-08.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Ice and rain protection · control panel · failedAug 10, 2000
MOMENTARY BURNING SMELL IN THE COCKPIT. *S/D* REPLACED WINDOW HEAT CONTROL PANEL.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Landing gear · landing gear · malfunctionedJul 24, 2000
UNABLE TO RETRACT LANDING GEAR. *S/D* ACCOMPLISHED GEAR SWINGS AND CHECKED AIR GROUND SENSOR GAPS. FOUND ALL TO CHECK OUT NORMAL.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Electrical power · trans rectifier · failedJul 9, 1999
A STRONG ELECTRICAL ODOR IN THE CABIN WAS REPORTED BY A FLIGHT ATTENDANT. *S/D* TRANSFORMER RECTIFIER POWER SUPPLY FAILED. REPLACED TRANSFORMER RECTIFIER IN NR 2 POSITION. ALSO, R4 RELAY WAS REPLACED DUE TO ZERO VOLTAGE BETWEEN B1 AND B2. AIRCRAFT CHECKS GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Navigation · adc · failedApr 25, 1999
ALL ALTIMETERS AND AIRSPEED INDICATORS DISAGREE IN FLIGHT. *S/D* FAULTY AIR DATA COMPUTER. THE NR 2 AIR DATA COMPUTER WAS REPLACED, OPS CHECK OK.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine air · vsv · out of adjustMar 14, 1999
LEFT ENGINE EXPERIENCED POWER SURGES. *S/D* ACCOMPLISHED ENGINE BORESCOPE AND TROUBLESHOOTING FOUND VARIABLE STATOR VANES (VSV) OUT OF RIG, NO LIMITING DEFECTS NOTED IN GAS PATH AND VSV'S WERE PROPERLY RIGGED PER MAINTENANCE MANUAL. OPS CHECK OK.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 13 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