# Pratt & Whitney PW4084

- Type: Engine model (FAA registry)
- Registry code: 51533
- Manufacturer (registry): P & W
- Model: PW4084
- Engine type: Turbo-fan
- Power: 86,760 lb thrust
- Data sheet: [TCDS E46NE](https://openairdocs.org/tcds/E46NE) (OpenAirDocs)
- Holder: Pratt & Whitney RTX Corporation (formerly United Technologies Corporation)
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-pw4084

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [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 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 2003-26-09](https://openairdocs.org/ad/2003-26-09): Engine High Pressure Turbine (HPT) Assembly Hardware · Pratt & Whitney Division PW4074, PW4074D, PW4077 and 7 more. Effective Dec 3, 2003
- [AD 2001-20-02](https://openairdocs.org/ad/2001-20-02): 2nd Stage High Pressure Turbine Air Seal Assembly · Pratt & Whitney Division PW4074, PW4074D, PW4077 and 7 more. Effective Nov 5, 2001

Historical (superseded or no longer in force):

- [AD 2003-22-09](https://openairdocs.org/ad/2003-22-09) (historical): Turbine exhaust case (TEC) · Pratt & Whitney Division PW4074, PW4074D, PW4077 and 7 more. Effective Dec 3, 2003
- [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 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 99-08-15](https://openairdocs.org/ad/99-08-15) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 20 more. Effective May 13, 1999

## Information bulletins (advisory) (3)

- [SAIB NE-16-01R1](https://openairdocs.org/saib/NE-16-01R1): Turbine Section. Issued Jan 14, 2016
- [SAIB NE-16-01](https://openairdocs.org/saib/NE-16-01) (historical): Turbine Section. Issued Oct 5, 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

## Registered aircraft

None registered with this engine model now.

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (80, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR CALA2017071402214](https://openairdocs.org/sdr/CALA2017071402214), Jul 14, 2017: ACTUATOR. FAULTY. LEFT ENGINE DID NOT SPOOL UP ON THE TAKE OFF ROLL STATUS MESSAGE FOR ENG CTL LT ENG EEC C1 L. REPLACED THE NR 1 ENGINE STATOR VANE ACTUATOR IAW 75-31-02, AMM 71
- [SDR CALA2014080691733](https://openairdocs.org/sdr/CALA2014080691733), Aug 4, 2014: SEALANT. MISSING. FIRST OFFICERS SLIDING WINDOW HAS LOUD SQUEAL, LE TOP THIRD SEALANT MISSING AT TOP OF WINDOW. RESEALED, ALSO RESEALED BOTTOM FWD CORNER IAW AMM 56-11-00. LEAK C
- [SDR CALA2014080191591](https://openairdocs.org/sdr/CALA2014080191591), Jul 31, 2014: ACM. MALFUNCTIONED. ODOR IN COCKPIT ON DESCENT WITH THROTTLES AT IDLE, SMELL LIKE HOT BRAKES. REPLACED LT ACM IAW MM 21-52-02.
- [SDR CALA2014021090328](https://openairdocs.org/sdr/CALA2014021090328), Feb 9, 2014: SENSE LINE. LEAKING. LT EEC NORMAL MODES INOPERATIVE. EEC MODE ADVISORY MESSAGE WHEN THROTTLE ADVANCED FOR TAKEOFF, EPR & N1 INDICATION BLANKED. TAKEOFF ABORTED AT LOW SPEED. FOUND 
- [SDR CALA2014012890252](https://openairdocs.org/sdr/CALA2014012890252), Jan 26, 2014: ENGINE. VIBRATION. CREW REPORTS DURING LT ENG GND START, STARTED TO FEEL A VIBRATION & SHUTDOWN.
- [SDR CALA2013121693725](https://openairdocs.org/sdr/CALA2013121693725), Dec 14, 2013: SEAL. DAMAGED. CAPTAIN`S SIDE WINDOW POPPING NOISE. PRESS NOISE POPS FROM 2.6 PSI TO 6.7 PSI HEARD LT SIDE FLIGHT DECK. PERFORMED GND PRESS CHECK UP TO 4.0PSI. FOUND LT NR 2 S
- [SDR CALA2013121693698](https://openairdocs.org/sdr/CALA2013121693698), Dec 13, 2013: INSULATION. DAMAGED. SOUND INSULATION ON ENG 1 HAS BIG HOLE. INNER LAYER ABRAIDABLE MATERIAL ONLY, MISSING 1.5 INCH DIAMETER & 3 SQ INCH SECTION 05:30 O'CLOCK AT BLADE TIPS. OK TO C
- [SDR CALA2013120393415](https://openairdocs.org/sdr/CALA2013120393415), Dec 1, 2013: LATCH. OUT OF ADJUST. NR 2 ENG CORE COWL INBD UPPER LOAD SHARE LATCH NOT FAIRED. SPEED TAPED LATCH IAW MT 78-UA9. CARRY FWD ADJUST OF LATCH WITHIN 25 HRS. OK FOR CONTINUED SERVICE.
- [SDR CALA2013112693287](https://openairdocs.org/sdr/CALA2013112693287), Nov 26, 2013: CONTROL VALVE. FAULTY. RT PACK STATUS MESSAGE, UPPER FLOW CONTROL VLV DOES NOT OPEN, LOCKED CLOSED. LOCKED VLV CLOSED IAW MEL 2151C. REPLACED UPPER FLOW CONTROL VLV IAW MM.
- [SDR CALA2013112693261](https://openairdocs.org/sdr/CALA2013112693261), Nov 25, 2013: APU. MALFUNCTIONED. ON APU START, EGT OVER TEMPED TO OVER 900 DEGREES, APU OBVIOUSLY DID NOT HAVE A SUCCESSFUL START. FIRST START ATTEMPT WAS NOT TOGGLED CORRECTLY, SECOND START AT
- [SDR CALA2013112693262](https://openairdocs.org/sdr/CALA2013112693262), Nov 25, 2013: CONTROL VALVE. FAULTY. PACK INOPERATIVE, UPPER FLOW CONTROL VLV DEFER CLOSED & LOWER VLV WILL NOT OPEN, UNABLE TO RESET. REPLACED LOWER FLOW CONTROL VLV IAW AMM.
- [SDR CALA2013112193162](https://openairdocs.org/sdr/CALA2013112193162), Nov 21, 2013: KNOB. MISSING. COCKPIT EVAC ALARM PULL TO SHUTOFF HORN KNOB MISSING. PNL NOT STOCKED AT HNL. UNABLE TO LOCATE CAP IN FLIGHT DECK, PARTS 583-0028 & G6031-05 PANEL.
- [SDR CALA2013111893019](https://openairdocs.org/sdr/CALA2013111893019), Nov 18, 2013: DETECTOR. FAULTY. ICE DETECTOR LT & RT STATUS. FOUND MESSAGE 30-10141 EVERY FLIGHT LEG. REPLACED LT ICE DETECTOR, OPERATIONS CHECKED OK.
- [SDR CALA2013111492943](https://openairdocs.org/sdr/CALA2013111492943), Nov 13, 2013: HYDRAULIC LINE. LOOSE. NR 2 ENG NEED TO CHECK HYD PRESS LINE B NUT AT CORE STRUT DISCONNECT. ACCOMPLISHED RETORQUE OF HYD PRESS LINE IAW AMM 72-00-02, NO LEAKS NOTED.
- [SDR CALA2013110892766](https://openairdocs.org/sdr/CALA2013110892766), Nov 3, 2013: ENGINE. MAKING METAL. CREW REPORTED SMOKE OUT OF RT ENG, ABORTED TAKEOFF. FOUND METAL IN TAIL CONE AT GATE. NR 2 ENG WAS REPLACED IAW AMM.
- [SDR UALA2013060703975](https://openairdocs.org/sdr/UALA2013060703975), Jun 7, 2013: NONE. NONE. LEFT HAND TANK INBD FUELING VALVE INOP CLOSED. TRANSFERRED FUEL TANK TO TANK SEVERAL TIMES. OBSERVED NORMAL OPERATION OF LT INBD FILL VALVE.
- [SDR UALA2013052803675](https://openairdocs.org/sdr/UALA2013052803675), May 27, 2013: OVERHEAT LOOP. SHORTED. BLEED LOOP 2 BODY STATUS MESSAGE DISPLAYED ON EICAS. M LOOP 2, ZONE 18 IS SHORTED. TROUBLESHOT PER FIM 26-18 TASK 804. R & R NR 2 BODY LOOP DETECTOR IAW AMM 26-
- [SDR UALA2011050402180](https://openairdocs.org/sdr/UALA2011050402180), May 4, 2011: CONTROLLER. FAULTY. BLEED PRSOV R, RT ENGINE BLEED PRESSURE REGULATING SHUT OFF VALVE (PRSOV) FAILED. OPEN OR CLOSED OR RT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS 
- [SDR UALA2011010300020](https://openairdocs.org/sdr/UALA2011010300020), Jan 2, 2011: WINDSHIELD. DELAMINATED. CAPT 1L WINDOW DELAMINATED TOP EDGE 3 IN X 14 IN VISION IS AFFECTED. ACTUAL MEASUREMENTS 3.25IN IN WIDTH, 12IN IN LENGTH. WITHIN LIMITS. NOT TO EXCEED 3.5 IN WI
- [SDR UALA2011010300014](https://openairdocs.org/sdr/UALA2011010300014), Dec 31, 2010: RELAY. FAULTY. NR 1 ENG START WOULD NOT OPEN. REPLACED ERU, STARTED ENG SEVERAL TIMES, STARTS NORMAL.
- [SDR UALA2010123004773](https://openairdocs.org/sdr/UALA2010123004773), Dec 30, 2010: CONNECTOR. BURNED. APU BATTERY WIRE W2449-1001-2-0, DAMAGED AT DM24012A. BATTERY CONNECTOR BURNED. INSULATED AND TIED BACK BURNED WIRE. ALSO REMOVED CONNECTOR ON BATTERY. COVERED 
- [SDR UALA2010123004771](https://openairdocs.org/sdr/UALA2010123004771), Dec 30, 2010: POWER SUPPLY. INOPERATIVE. EMERGENCY POWER SUPPLY DID NOT KEEP IT'S LIGHTS ILLUMINATED FOR 15 MINUTES. (3L DOOR). REPLACED POWER SUPPLY IAW MM, OPS CHECKED GOOD.
- [SDR UALA2010123004772](https://openairdocs.org/sdr/UALA2010123004772), Dec 30, 2010: CHARGER. FAULTY. EICAS MESSAGE, APU BATTERY AND APU BATTERY CHARGER. REPLACED CHARGER. OPS OK IAW MM.
- [SDR UALA2010122704725](https://openairdocs.org/sdr/UALA2010122704725), Dec 26, 2010: MODULE. FAULTY. FMC LT EICAS MSG. AIMS MODULE FAULTY, REPLACED LEFT AIMS MODULE M002 PER AMM. OPS NORMAL.
- [SDR UALA2010122004639](https://openairdocs.org/sdr/UALA2010122004639), Dec 19, 2010: ISOLATION VALVE. FAULTY. LEFT ISOLATION VALVE CHECK FAILED TO SEAL. MANIFOLD WOULD NOT DROP, STAYED ABOVE 20 PSI. REPLACED LT ISOLATION VALVE IAW MM. OPS NORMAL.
- [SDR UALA2010122004638](https://openairdocs.org/sdr/UALA2010122004638), Dec 18, 2010: START VALVE. MALFUNCTIONED. ENGINE START VALVE LT FAILS TO OPEN. MAT SHOWS MAINT MSG 80-61561. REPLACED STARTER, NO HELP. STATUS MSG "L ENG START VALVE" DISPLAYED. MAT SHOWS SAME MSG. NEW 
- [SDR UALA2010101403814](https://openairdocs.org/sdr/UALA2010101403814), Oct 13, 2010: FAN. FAILED. CARGO VENT FAN BULK FAILURE OF BULK CARGO VENTILATION FAN. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT; BULK CARGO VENTILATION FAN DOES NOT FOLLOW COMMAND (ON O
- [SDR UALA2010101403815](https://openairdocs.org/sdr/UALA2010101403815), Oct 13, 2010: FAN. ODOR. BURNING RUBBER ODOR IN AREA OF ROW 46. TURNED OFF INFLT ENT SYS, UTIL, AND RECIRC FANS. DIRECTED TO TURN OFF CARGO TEMP SWITCH. SMOKE ODOR SEEMS TO DISSIPATE. R
- [SDR UALA2010100803735](https://openairdocs.org/sdr/UALA2010100803735), Oct 7, 2010: PROCESSOR. FAILED. DURING FUELING, FUELING PANEL BLANKED, FLIGHT DECK BLANK AS WELL. REPLACED FUEL QTY PROCESSOR UNIT, CHECKS OK.
- [SDR UALA2010100403668](https://openairdocs.org/sdr/UALA2010100403668), Oct 2, 2010: UNKNOWN. ODOR. HOT ODOR AND HOT SIDEWALL AT 20 21 HK. DISSIPATED & COOLED W/ LIGHT OFF. DISSIPATED & COOLED W/LIGHT OFF. OPENED RT PACK DOOR AND FWD CARGO PIT MIX BAY AREA, RA
- [SDR UALA2010100403650](https://openairdocs.org/sdr/UALA2010100403650), Oct 2, 2010: WINDOW. DELAMINATED. WINDOW (FLIGHT DECK) - SHOWS SIGNS OF DAMAGE. DELAMINATED MORE THAN 2 INCHES. F/O NR1 RT DELAMINATION IS MORE THAN 3.5 INCHES, MEASUREMENT IS 3.75 INCHES. VISIB
- [SDR UALA2010092203529](https://openairdocs.org/sdr/UALA2010092203529), Sep 21, 2010: GCU. FAULTED. ELEC GEN SYS RT IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. STATUS MSG
- [SDR UALA2010091603450](https://openairdocs.org/sdr/UALA2010091603450), Sep 16, 2010: LATCH. BROKEN. FOUND ON WALK AROUND RT NR2 ENG INBD AFT LOAD SHARE LATCH BROKEN, HANDLE MISSING. APPLIED SPEED TAPE OVER LATCH. OK FOR 25 HOURS. R & R BROKEN RT AFT COWL LOAD 
- [SDR UALA2010082603149](https://openairdocs.org/sdr/UALA2010082603149), Aug 25, 2010: ACTUATOR. LEAKING. NR 2 ENGINE OTBD REVERSER HALF LEAKING HYD FLUID BOTTOM OF COWL AT SLEEVE SPLIT. OPERATED NR 2 ENG REVERSER SEVERAL TIMES AND PRESSURIZED HYD. ALL REVERSER ACTU
- [SDR UALA2010082503133](https://openairdocs.org/sdr/UALA2010082503133), Aug 24, 2010: TRANSDUCER. FAULTY. FLIGHT CONTROL SYS STATUS MESSAGE DUE TO REPORT OF EICAS MESSAGE 'FLIGHT CONTROL SYS' WITH NO CORRELATED MESSAGES, EXERCISE FLT CONTROLS UTILIZING ALL 3 HYD SYS
- [SDR UALA2010082003060](https://openairdocs.org/sdr/UALA2010082003060), Aug 19, 2010: COMPUTER. MALFUNCTIONED. PRIMARY FLT COMPUTER STATUS MSG. FINDING HARD FAULT ON ACE COMPUTER. REPLACED CTR PFC IAW MM, NO HELP. L1 ACE & SPOILER 4 & 11 PCU ORDERED. SPOILER 4 & 11 ARE T
- [SDR UALA2010081102931](https://openairdocs.org/sdr/UALA2010081102931), Aug 9, 2010: BATTERY. MALFUNCTIONED. MAIN BATTERY CHARGER MAIN STATUS. REPLACED MAIN BATTERY, TESTED OK. MESSAGE GONE.
- [SDR UALA2010080202768](https://openairdocs.org/sdr/UALA2010080202768), Jul 31, 2010: CARBON SEAL. LEAKING. EVIDENCE OF AN OIL LEAK FOUND UNDER THE NR 2 ENGINE. REPLACED IDG DRIVE SEAL. RAN ENGINE, STILL LEAKING OIL FROM DRAIN TUBE DRAIN 10 (DR01) AFTER ENGINE SHUTDOW
- [SDR UALA2010071902583](https://openairdocs.org/sdr/UALA2010071902583), Jul 19, 2010: FAN. SHORTED. CREW REPORTS EICAS STATUS MSG AFT CARGO HEAT INOP DET FAN 2 FWD. TEST SHOWS SMOKE DETECTOR FAN 2 LWR FWD OPEN OR SHORTED. REPLACED FWD PIT SMOKE DETECTOR, GROUN
- [SDR UALA2010062802291](https://openairdocs.org/sdr/UALA2010062802291), Jun 28, 2010: LIGHT. CRACKED. FLOOR EMERGENCY LIGHT CRACKED AT M1 GALLEY. REPLACED LIGHT ASSYS, OPS CK OK.
- [SDR UALA2010062802292](https://openairdocs.org/sdr/UALA2010062802292), Jun 28, 2010: LIGHT. CRACKED. FLOOR EMERGENCY LIGHT CRACKED AT GALLEY F2. REPLACED LIGHT ASSYS, OP CK OK.
- [SDR UALA2010062402240](https://openairdocs.org/sdr/UALA2010062402240), Jun 24, 2010: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS AT DOOR 3L WILL NOT REMAIN ILLUMINATED. REPLACED EMERGENCY LIGHT BATTERY PACK M33406, OPS CK OK.
- [SDR UALA2010062402241](https://openairdocs.org/sdr/UALA2010062402241), Jun 24, 2010: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS AT DOOR 4L WILL NOT REMAIN ILLUMINATED. BATTERY PACK DOES NOT TEST. REPLACED EMERGENCY BATTERY PACK M3340, OPS CHECK OK.
- [SDR UALA2010061002020](https://openairdocs.org/sdr/UALA2010061002020), Jun 10, 2010: IDG. FAULTY. RT IDG GEN FAILURE. FOUND RT IDG OIL LEVEL OUT OF SITE GAUGE. IDG OIL SHOULD BE CHANGED WHEN DEFERRAL IS CLEARED. LEAK CHECKED AFTER ENG RUN OK. IDG DISCONNECTE
- [SDR UALA2010061002033](https://openairdocs.org/sdr/UALA2010061002033), Jun 9, 2010: IDG. FAULTY. ELEC GEN OFF LT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF AND ENGINE NOT SHUTDOWN. DISCONNECTED LT IDG AND DF IAW MEL 2411B. WKD WITH
- [SDR UALA2010061002032](https://openairdocs.org/sdr/UALA2010061002032), Jun 8, 2010: GCU. FAULTY. GEN CONTROL L IS OFF. ATTEMPTED 1 RESET IAW CHECKLIST, NO HELP. REPLACED LT ENG GCU, RAN ENG GCU OPS CHECKED GOOD.
- [SDR UALA2010060301938](https://openairdocs.org/sdr/UALA2010060301938), Jun 3, 2010: HEATER. INOPERATIVE. AFT CARGO HEAT INOP, NO INDICATION. RESET ECSMC CARD, ELECTRICALLY SYS CKS OK, BUT VLV STILL SHOWS 'FAIL' NEEDS FURTHER TROUBLESHOOTING. VLV OPS INHIBITED WITH 
- [SDR UALA2010060401948](https://openairdocs.org/sdr/UALA2010060401948), Jun 3, 2010: IGNITER. FAULTY. ENG IGNITOR L1 DISPLAYED ON STATUS. MAT SHOWED FAULT CODE 742 001 61 (LATCHED). IGNITION GOT WORSE AFTER 10MAY A23 CHECK DID ROUTINE PLUG CHANGE, SUBSEQUENT PLU
- [SDR UALA2010060701964](https://openairdocs.org/sdr/UALA2010060701964), Jun 3, 2010: POWER SUPPLY. FAILED. MAIN ENTRY DOOR 3L EXTERIOR SLIDE LIGHT AND INTERIOR EXIT SIGNS ARE INOP. REPLACED EMERGENCY POWER SUPPLY M33405, CKS OK.
- [SDR UALA2010060101877](https://openairdocs.org/sdr/UALA2010060101877), May 31, 2010: LIGHT. INOPERATIVE. AFT EMERGENCY LIGHT ON SEAT 1E IS INOP. REPLACED LIGHT ASSY, CHECKS GOOD.

All 80: https://openairdocs.org/engine/pratt-whitney-pw4084/reports.md

## STCs that may be installed (OpenAirDocs) (1)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00053AT-D](https://openairdocs.org/stc/SE00053AT-D): Modification of fan exit guide vane, to line replaceable unit configuration. Chromalloy Gas Turbine Corp

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