- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 33468
- Year built
- 2003
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- February 1, 2003
- Certificate issued
- August 13, 2018
- Expires
- August 31, 2028
- Mode S code
- A91B44
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 24
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1990 | 1 |
|---|---|
| 1993 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 3 |
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 4 |
| 2003 | 2 |
| 2006 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 8 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2026 | 1 |
Engine · Pratt & Whitney PW4060
AD 2026-21-06Engine Fuel and ControlAD 2018-13-02Turbine Engine Combustion SectionAD 2016-08-09HPC 10th stage diskInformation bulletins that may apply · 5
Advisory, not mandatory.
Engine · Pratt & Whitney PW4060
SAIB 2025-06High Pressure TurbinesSAIB NE-19-02Turbine Engine Compressor Section -- Low-pressure turbine uncontainmentSAIB NE-16-01R1Turbine SectionSAIB NE-15-19Turbine SectionSAIB NE-13-31Turbine Engine Oil System Scavenge Oil Tube Coking and Proper Cleaning at OverhaulHistorical bulletins · 1
NTSB investigations
No NTSB investigations matched to N686UAMatched 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 767-3CB aircraft
FAA incident reports
No FAA accident or incident reports matched to N686UAMatched 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 767-3CB aircraft
Service difficulty reports · 33
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2026101920447Light · intermittentELECTRICAL BURNING ODOR AROUND ROW 15C. RAN SMOKE FIRE FUMES CHECKLIST. ODOR PERSISTED. CONDITIONAL INSPECTION (EC0500-01055A) IAW 05-51-56/201 AND AMM 05-51-56-940-801-C1. LT & RT RECIRC FAN FILTERS REPLACED IAW AMM 21-25-02-004-001-002 & 21-25-02-404-008-00SDR CALA2026083119059Engine · failedLEFT ENGINE FAILED DURING CLIMB, ENG1 SN. (TSI= , CSI= CYC). CREW REPORTED THAT ENG1 WAS SHUTDOWN DUE TO THICK SMOKE IN THE CABIN (L/P 3038084). OIL PRESS IN RED WHILE IN IDLE. EGT 715, FLIGHT ATTENDANTS REPORTED THAT LEFT ENG WAS SHAKING VIOLENTLY ON THE WINSDR 2026FA0000657Oil System · faultedHAD AN AIR RETURN FLIGHT, IN GENEVA, WITH CUSTOMER UNITED. THE AIRCRAFT FLIGHT NUMBER UA957. AIRCRAFT EXPERIENCED AN ABNORMAL INCREASE IN ENGINE 1 OIL PRESSURE, ACCOMPANIED BY ABNORMAL ENGINE NOISE, A BURNING ODOR, & SMOKE IN THE CABIN. THE FLIGHT CREW SUBSEQ
See all 33 reportsSTCs that may be installed · 3
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Pratt & Whitney PW4060
STC SE01543CHReplace Hamilton Sundstrand P/N 778839-13, 778839-14, 778839-19, 778839-20, 778839-37, 778839-38, 816682-1, 840618-2, 880724 carbon bushings with Cook Airtomic P/N AIR22947 Slotted Entry Busing in the High Pressure Shutoff Valve.STC SE00053AT-DModification of fan exit guide vane, to line replaceable unit configuration.STC SE00131LAModification of the subject engines to incorporate an oil tank reservoir insulation blanket in accordance with Hi Temp Insulation Inc. Drawing List 46M1024-301, Revision N/C, dated December 5, 1995, or later FAA approved revision as an acceptable alternate to Pratt & Whitney part number 50R280-01 or 51R059-01 insulation blankets.