# N686UA: 2003 Boeing 767-3CB

- Status: Valid registration
- Airframe: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (registry code 1385187, 300 seats)
- Engine: [Pratt & Whitney PW4060](https://openairdocs.org/engine/pratt-whitney-pw4060) (registry code 52140)
- Data sheets: [TCDS E24NE](https://openairdocs.org/tcds/E24NE) (Pratt & Whitney Division) (OpenAirDocs)
- Serial number: 33468
- Year built: 2003
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 1, 2003
- Certificate issued: August 13, 2018
- Expires: August 31, 2028
- Mode S code: A91B44
- 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=686UA
- Page: https://openairdocs.org/aircraft/N686UA

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): 24 in force

### Matched by airframe (Boeing 767-3CB)

None in force.

### Matched by engine (Pratt & Whitney PW4060)

- [AD 2026-21-06](https://openairdocs.org/ad/2026-21-06): Engine Fuel and Control · Pratt & Whitney Division PW4052, PW4056, PW4060 and 10 more. Effective Nov 23, 2026
- [AD 2018-13-02](https://openairdocs.org/ad/2018-13-02): Turbine Engine Combustion Section · Pratt & Whitney Division PW4052, PW4056, PW4060 and 7 more. Effective Jul 20, 2018
- [AD 2016-08-09](https://openairdocs.org/ad/2016-08-09): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Jun 1, 2016
- [AD 2015-22-03](https://openairdocs.org/ad/2015-22-03): LPT 4th stage IAS · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Dec 1, 2015
- [AD 2012-22-16](https://openairdocs.org/ad/2012-22-16): 3rd stage LPT duct segments · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Dec 19, 2012
- [AD 2012-14-09](https://openairdocs.org/ad/2012-14-09): 3rd and 4th stage vane fractures · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Nov 7, 2012
- [AD 2012-18-17](https://openairdocs.org/ad/2012-18-17): HPC drum rotor disk assembly · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 22, 2012
- [AD 2012-18-03](https://openairdocs.org/ad/2012-18-03): 1st stage HPT air seal rings · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Oct 11, 2012
- [AD 2012-16-01](https://openairdocs.org/ad/2012-16-01): High-pressure turbine (HPT) stage 1 front hubs · Pratt & Whitney Division PW4052, PW4056, PW4060 and 14 more. Effective Sep 28, 2012
- [AD 2012-06-18](https://openairdocs.org/ad/2012-06-18): Engine · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 27, 2012
- [AD 2012-04-04](https://openairdocs.org/ad/2012-04-04): fuel metering units (FMUs) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 5, 2012
- [AD 2011-25-09](https://openairdocs.org/ad/2011-25-09): PW4000 turbofan engines · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Jan 10, 2012
- [AD 2010-24-14](https://openairdocs.org/ad/2010-24-14): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 17 more. Effective Jan 21, 2011
- [AD 2010-24-09](https://openairdocs.org/ad/2010-24-09): No. 3 bearing oil pressure tubes · Pratt & Whitney Division PW4050, PW4052, PW4056 and 34 more. Effective Dec 28, 2010
- [AD 2008-24-13](https://openairdocs.org/ad/2008-24-13): Electronic engine controls (EECs) · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jan 8, 2009
- [AD 2005-25-09](https://openairdocs.org/ad/2005-25-09): Engine manufacturer's time limits section (TLS) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 26 more. Effective Jun 12, 2006
- [AD 2003-19-15](https://openairdocs.org/ad/2003-19-15): High-Pressure-Compressor (HPC) Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Oct 30, 2003
- [AD 2002-12-15](https://openairdocs.org/ad/2002-12-15): Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jul 31, 2002
- [AD 2001-05-07](https://openairdocs.org/ad/2001-05-07): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Mar 30, 2001
- [AD 98-23-08](https://openairdocs.org/ad/98-23-08): High Pressure Compressor  Blade Tips · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 12, 1999
- [AD 98-19-03](https://openairdocs.org/ad/98-19-03): High Pressure Turbine Rotating Airseals · Pratt & Whitney Division PW4052, PW4056, PW4060 and 9 more. Effective Nov 9, 1998
- [AD 96-13-08](https://openairdocs.org/ad/96-13-08): AFT Cascade Support Frame Assembly · Pratt & Whitney assembly Part Number 221D5015, Revision A (STC SE744NE). Effective Aug 1, 1996
- [AD 93-08-16](https://openairdocs.org/ad/93-08-16): Fuel Pump · Pratt & Whitney Division PW4050, PW4052, PW4056 and 2 more. Effective Jul 12, 1993
- [AD 90-22-02](https://openairdocs.org/ad/90-22-02): Low Pressure Turbine Shaft · Pratt & Whitney Division PW4050, PW4052, PW4056 and 6 more. Effective Oct 18, 1990

### Historical (superseded or no longer in force)

- [AD 2010-18-13](https://openairdocs.org/ad/2010-18-13) (historical): Blade · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 18, 2010
- [AD 2003-11-18](https://openairdocs.org/ad/2003-11-18) (historical): High-Pressure-Compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jul 7, 2003
- [AD 2002-21-10](https://openairdocs.org/ad/2002-21-10) (historical): High pressure compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Nov 12, 2002
- [AD 2002-03-08](https://openairdocs.org/ad/2002-03-08) (historical): Time Limits Section of Engine Manuals (EM's) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 25 more. Effective Apr 16, 2002
- [AD 2001-25-11](https://openairdocs.org/ad/2001-25-11) (historical): Compressor Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 17, 2002
- [AD 2001-20-13](https://openairdocs.org/ad/2001-20-13) (historical): High Pressure Compressor Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Nov 16, 2001
- [AD 2001-15-12](https://openairdocs.org/ad/2001-15-12) (historical): High Pressure Compressors (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Aug 10, 2001
- [AD 2001-09-07](https://openairdocs.org/ad/2001-09-07) (historical): High Pressure Compressor (HPC) Surge · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective May 14, 2001
- [AD 2001-08-52](https://openairdocs.org/ad/2001-08-52) (historical): Multiple-engine power loss due to HPC surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more
- [AD 2000-25-06](https://openairdocs.org/ad/2000-25-06) (historical): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Dec 29, 2000
- [AD 2000-22-01](https://openairdocs.org/ad/2000-22-01) (historical): High Pressure Compressor Cutback Stator · Pratt & Whitney Division PW4050, PW4052, PW4056 and 6 more. Effective Nov 9, 2000
- [AD 2000-12-02](https://openairdocs.org/ad/2000-12-02) (historical): Critical Life-Limited Part · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Sep 13, 2000
- [AD 99-17-16](https://openairdocs.org/ad/99-17-16) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 11 more. Effective Sep 24, 1999
- [AD 99-08-15](https://openairdocs.org/ad/99-08-15) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 20 more. Effective May 13, 1999

## Information bulletins (advisory) (5 in force)

- [SAIB 2025-06](https://openairdocs.org/saib/2025-06): High Pressure Turbines. Issued Jul 22, 2025
- [SAIB NE-19-02](https://openairdocs.org/saib/NE-19-02): Turbine Engine Compressor Section -- Low-pressure turbine uncontainment. Issued Feb 19, 2019
- [SAIB NE-16-01R1](https://openairdocs.org/saib/NE-16-01R1): Turbine Section. Issued Jan 14, 2016
- [SAIB NE-15-19](https://openairdocs.org/saib/NE-15-19): Turbine Section. Issued Jul 14, 2015
- [SAIB NE-13-31](https://openairdocs.org/saib/NE-13-31): Turbine Engine Oil System  Scavenge Oil Tube Coking and Proper Cleaning at Overhaul. Issued May 9, 2013
- [SAIB NE-16-01](https://openairdocs.org/saib/NE-16-01) (historical): Turbine Section. Issued Oct 5, 2015

## NTSB investigations

None matched to N686UA.

## FAA accident and incident reports

None matched to N686UA.

## Service difficulty reports (33)

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 CALA2026101920447](https://openairdocs.org/sdr/CALA2026101920447), Oct 15, 2026: LIGHT. INTERMITTENT. ELECTRICAL 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
- [SDR CALA2026083119059](https://openairdocs.org/sdr/CALA2026083119059), Aug 20, 2026: ENGINE. FAILED. LEFT 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 RE
- [SDR 2026FA0000657](https://openairdocs.org/sdr/2026FA0000657), Aug 20, 2026: OIL SYSTEM. FAULTED. HAD AN AIR RETURN FLIGHT, IN GENEVA, WITH CUSTOMER UNITED. THE AIRCRAFT FLIGHT NUMBER UA957. AIRCRAFT EXPERIENCED AN ABNORMAL INCREASE IN ENGINE 1 OIL PRESSURE,
- [SDR CALA2026080918414](https://openairdocs.org/sdr/CALA2026080918414), Aug 7, 2026: HINGE PIN. OUT OF POSITION. F/A REPORTED PAX AT OVERWING EMERGENCY ESCAPE HATCH SEATS 20BA, EXPERIENCED NOISE & VIBRATIONS COMING FROM THE FLOOR AREA. LASTED FOR 15 MINS & ABRUPTLY STOPPED
- [SDR CALA2026060816913](https://openairdocs.org/sdr/CALA2026060816913), Jun 5, 2026: OXYGEN MASK. LEAKING. CREW OXYGEN PRESSURE LEAKING DURING FLIGHT FROM O2 MASK BEHIND C A ON ARRIVAL CREW NOTED; OXYGEN LEVEL AT 1620 PSI ON DEPARTURE. BY ARRIVAL CREW O2 DEPLETED TO 
- [SDR CALA2026060516848](https://openairdocs.org/sdr/CALA2026060516848), Jun 2, 2026: PROBE. FAULTY. FUEL CONFIG LIGHT CAME ON BELOW 1000 FT. RAN CK LST. THEN RT TNK FUEL WENT UP BY 1700 LBS PERFORMED FQIS BITE TEST PER FIM 28-41 TASK 848, FOUND MESSAGE "RM COM
- [SDR CALA2026060116709](https://openairdocs.org/sdr/CALA2026060116709), May 30, 2026: LENS. DAMAGED. AFT EXT OVERWING SLIDE EMER LIGHT ON LT AND RT SIDE OF AC WILL NOT ILLUMINATE, RELAMPED LH SIDE EMG LIGHT, OPS CHECK GOOD. RH EMG LIGHT LENSE COVER DAMAGED AND 
- [SDR CALA2026052816603](https://openairdocs.org/sdr/CALA2026052816603), May 25, 2026: DENSITOMETER. FAULTED. RT FUEL GAUGE FREEZES INTERMITTANTLY CAUSING A FUEL CONFIG LIGHT. CROSSFEED DOES NOT MOVE GAUGE. PERFORMED FUEL QTY BITE IAW FIM 28-41 FAULT TREE 847 FOUND NO P
- [SDR CALA2026040115003](https://openairdocs.org/sdr/CALA2026040115003), Mar 31, 2026: LIGHT. INOPERATIVE. EMERGENCY LIGHT AT 12L FOUND INOPERATIVE. EMERGENCY LIGHT ASSY REPLACED IAW AMM TASK 33-51-00-432-006. OPS CHECK GOOD.
- [SDR CALA2026040115001](https://openairdocs.org/sdr/CALA2026040115001), Mar 31, 2026: BULB. NO TEST. EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES EMERGENCY LIGHT L/H FUSELAGE AFT OF WING TO BODY FAIRING U/S. FILAMENT FOUND NOT SEATED CORRECTLY IN 
- [SDR CALA2026030614385](https://openairdocs.org/sdr/CALA2026030614385), Mar 3, 2026: FUEL CAP. MISSING. FUELER REPORTED BOTH FUEL CAPS MISSING. INSPECTION CARRIED OUT IAW AMM 05-51-59-202-001. NO DEFECTS.
- [SDR CALA2025111311174](https://openairdocs.org/sdr/CALA2025111311174), Nov 11, 2025: DOOR. LACK OF LUBE. DOOR 1L HARD TO ARM EGLL TECH THINKS THE ASSEMBLY NEEDS TO BE LUBED. ACCOMPLISHED FIM TASK 52-11 FAULT TREE 804. OPERATED DOOR SLIDE ARM AND DISARM MULTIPLE TIM
- [SDR CALA2025111011102](https://openairdocs.org/sdr/CALA2025111011102), Nov 6, 2025: WIRE. CHAFED. DURING INSPECTION OF FWD GALLEY CHILLER, MULTIPLE AREAS OF DAMAGED & BURNT WIRING FOUND IN VICINITY OF FWD GALLEY CHILLER. ONE ITEM RAISED FOR WIRE DAMAGE TO W0
- [SDR CALA2025111011051](https://openairdocs.org/sdr/CALA2025111011051), Nov 6, 2025: OIL FILTER. MISINSTALLED. UPON REMOVAL OF NR 2 ENG MAIN OIL FILTER, PROTECTIVE PLASTIC CAPS ON FILTER FEET FOUND NOT REMOVED, AND DISINTGRATED. SOME DEBRIS FOUND IN FILTER. ENGINE FILTER
- [SDR CALA2025102210411](https://openairdocs.org/sdr/CALA2025102210411), Oct 22, 2025: LENS. MISSING. EMERGENCY LIGHTS OPS TEST WITH THE TEST SWITCHES, GALLEY 2, 3X FLOOR PROX LIGHT LENS CAPS MISSING ADJACENT TO STOWAGE 227, 228 & 235. LIGHT IS FULLY FUNCTIONING
- [SDR CALA2025082708181](https://openairdocs.org/sdr/CALA2025082708181), Aug 23, 2025: NONE. NO DISCREPANCY. DOOR 2L SLIDE PRESSURE GAUGE APPEARS TO BE IN THE RED VERIFIED DOOR 2L DOOR SLIDE PRESSURE GAUGE IS WITHIN LIMITS PER AMM 25-66-01. OK TO CONTINUE.
- [SDR CALA2025062605882](https://openairdocs.org/sdr/CALA2025062605882), Jun 24, 2025: DOOR. NO DISCREPANCY. DOOR 2R PRESSURE GAUGE IS INDICATING IN THE RED ZONE. DOOR 2R SLIDE PRESSURE GAUGE WITHIN THE GREEN BAND. NON-FURTHER MAINTENANCE ACTION REQUIRED
- [SDR CALA2025051404676](https://openairdocs.org/sdr/CALA2025051404676), May 15, 2025: SKIN. DAMAGED. LH O/B ELEVATOR UPR SURFACE MID AREA STA175.98-200.46 FND HOLE REF HX NR WO.4760910,
- [SDR CALA2025021000326](https://openairdocs.org/sdr/CALA2025021000326), Feb 9, 2025: LAMP. NO TEST. EMERGENCY LIGHTS OPERATIONAL CHECK {B767-33-3-7000} - RH FUSELAGE SLIDE EMERGENCY LIGHTS 2EACH INOP RELAMPED BOTH EXTERNAL SLIDE EMERGENCY LIGHTS AND OPS CHECKE
- [SDR CALA2024102300912](https://openairdocs.org/sdr/CALA2024102300912), Oct 21, 2024: BATTERY. FAULTED. DETACHABLE EMERGENCY EQUIPMENT INSPECTION {B767-25-3-7017} - EMERGENCY FLASH LIGHT AT FLIGHT ATTENDANTS SEAT OPPOSITE GALLEY 9 NOT CHARGING. EMERGENCY FLASHLIGH
- [SDR CALA2024102300908](https://openairdocs.org/sdr/CALA2024102300908), Oct 21, 2024: CHARGER. FAULTED. EMERGENCY LIGHTS OPERATIONAL CHECK {B767-33-3-7000} - CENTER AISLE UPTO SEAT 7 RH & LH EMERGENCY AISLE LIGHTS FOUND INOP. WRT WDM 33-51-15-1A SH 1 SUSPECT EMERG
- [SDR CALA2024012300185](https://openairdocs.org/sdr/CALA2024012300185), Jan 21, 2024: LAMP. NO TEST. EMERGENCY LIGHTS OPERATIONAL CHECK, L/H AFT DOOR SLIDE GROUND ILLUMINATION LIGHT FOUND INOP. LH AFT EMERGENCY DOOR SLIDE LAMP REPLACED AS PER AMM 33-51-06-902-0
- [SDR CALA2023081102491](https://openairdocs.org/sdr/CALA2023081102491), Aug 10, 2023: BRAKE ASSY. DISENGAGED. NO6 BRAKE FOUND DESINTEGRATED ON ARRIVAL LHR. BRAKE PISTON STATOR MISSING, CARBON ROTOR FOUND WORN INDICATING STATOR MISSING FOR SOME TIME 32-46-01-004-011. TAS
- [SDR CALA2022110903083](https://openairdocs.org/sdr/CALA2022110903083), Nov 8, 2022: BRAKE. FAULTED. AFTER PARKING AND CONFIRMED BRAKES SET .AIRCRAFT STARTED TO ROL L BACKWARDS. APPLIED. / CARRIED OUT PARKING BRAKE SYS OPERATIONAL TEST IAW AMM32-44-00-730-801 A
- [SDR CALA2022051601241](https://openairdocs.org/sdr/CALA2022051601241), May 13, 2022: STIFFENER. CRACKED. SUPPORT TASK : EA 5310-07143 REV D OP 001 (AD 2017-17-16) LH NOSE WHEEL WELL VERTICAL STIFFENER ON STA 287 BETWEEN WL 159 TO 185 FOUND 1EA CRACK AS MARKED TRANS
- [SDR CALA2022051601240](https://openairdocs.org/sdr/CALA2022051601240), May 13, 2022: STIFFENER. CRACKED. SUPPORT TASK : EA 5310-07143 REV D OP 002 (AD 2017-17-16) RH NOSE WHEEL WELL VERTICAL STIFFENER ON STA 287 BETWEEN WL 159 TO 185 FOUND 1EA CRACK AS MARKED TRANS
- [SDR CALA2022051301232](https://openairdocs.org/sdr/CALA2022051301232), May 13, 2022: STIFFENER. CRACKED. SUPPORT TASK : EA 5310-07143 REV D OP 001 (AD 2017-17-16) LH NOSE WHEEL WELL VERTICAL STIFFENER ON STA 287 BETWEEN WL 159 TO 185 FOUND 1EA CRACK AS MARKED TRANS
- [SDR CALA2022051301231](https://openairdocs.org/sdr/CALA2022051301231), May 13, 2022: STIFFENER. CRACKED. SUPPORT TASK : EA 5310-07143 REV D OP 002 (AD 2017-17-16) RH NOSE WHEEL WELL VERTICAL STIFFENER ON STA 287 BETWEEN WL 159 TO 185 FOUND 1EA CRACK AS MARKED TRANS
- [SDR CALA2021090901536](https://openairdocs.org/sdr/CALA2021090901536), Sep 9, 2021: HYDRAULIC SYSTEM. OVERSERVICED. *EMERGENCY DECLARED* CENTER HYD QTY LIGHT ILLUM. QTY AT .47 AFTER TURNING OFF CNTR HY DS QTY HELD AT .51 LOCKED BY TOMC SR MANAGER DUE TO EMERGENCY BEING DECLAR
- [SDR CALA2021082501430](https://openairdocs.org/sdr/CALA2021082501430), Aug 25, 2021: QUICK DISCONNECT. LOOSE. RIGHT ENGINE DRIVE LIGHT ILLUMINATED AND CREW DISCONNECTED IDG. FOUND #2 ENG IDG LOW OIL QUANTITY MESSAGE ON EICAS STATUS PAGE. FOUND IDG OIL LEAKAGE FROM BOTH 
- [SDR CALA2021072801208](https://openairdocs.org/sdr/CALA2021072801208), Jul 28, 2021: FMC. MALFUNCTIONED. REJECT T/O FMC LOST ALL TAKEOFF SPEEDS AIRCRAFT DID NOT HAVE ANY EICAS MESSAGE TO FMC. NO CURRENT EICAS MESSAGES. NO 30 DAY HISTORY. BRAKE TEMPS UNDER 4 CONSIDE
- [SDR CALA2021062300946](https://openairdocs.org/sdr/CALA2021062300946), Jun 23, 2021: RELAY. FAULTED. UPON ATTEMPTING TO XFEED FUEL FROM RIGHT TO LEFT WITH BOTH XFEED VALVES OPN L FUEL SYS PRESS DEBRIEFED CREW AND THEY STATED THAT DURING ENGINE CROSSFEED OPER AT
- [SDR CALA2019062401064](https://openairdocs.org/sdr/CALA2019062401064), Jun 20, 2019: SKIN. CRACKED. RIGHT WING I/B SEGMENT OF L-6.5 2EA FASTENER HOLES FOUND CRACK SKIN INFERIM REPAIRED IAW ECRA 5725-01036 REV ORIG PART 1.

## STCs that may be installed (OpenAirDocs) (3)

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 engine (Pratt & Whitney PW4060)

- [STC SE01543CH](https://openairdocs.org/stc/SE01543CH): Replace 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. Cook Airtomic
- [STC SE00053AT-D](https://openairdocs.org/stc/SE00053AT-D): Modification of fan exit guide vane, to line replaceable unit configuration. Chromalloy Gas Turbine Corp
- [STC SE00131LA](https://openairdocs.org/stc/SE00131LA): Modification 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. Hi Temp Insulation Inc

## Related

- Other Boeing 767-3CB aircraft: https://openairdocs.org/model/boeing-767-3cb/aircraft.md
- The Pratt & Whitney PW4060 engine: https://openairdocs.org/engine/pratt-whitney-pw4060.md

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