# Service difficulty reports: Pratt & Whitney Canada JT15D-4 series

A list on [Pratt & Whitney Canada JT15D-4 series](https://openairdocs.org/engine/pratt-whitney-canada-jt15d-4-series.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 11 · 536 reports

- [SDR OEJA202212010478](https://openairdocs.org/sdr/OEJA202212010478.md): Fuel Control · warning light · Dec 1, 2022 · N53MS · Beech 400A · Fuel Control/Turbine Engines
  > WE STARTED THE ENGINES AT 2120 WITHOUT ANY PROBLEM. WE DID ALL THE CHECKS BEFORE THE TAXI. THEN WE STARTED THE TAXI TO RUNWAY 17L AT KPWA, AND THE PLANE PASSED ALL THE CHECKS. WE WERE CLEARED TO TAKE OFF FROM RUNWAY 17L, WE DID THE LAST CHECKS BEFORE TAKE O
- [SDR 2021F00166](https://openairdocs.org/sdr/2021F00166.md): Seal · failed · Jun 15, 2021 · N802Q · Cessna S550 · Turbine Engine Oil System
  > SMOKE IN COCKPIT, ENGINE OIL INDICATIONS.
- [SDR CA190326011](https://openairdocs.org/sdr/CA190326011.md): Valve · malfunctioned · Mar 25, 2019 · Cessna 550 · Turbine Engine Oil System
  > (CAN) CHECKED THE ENGINE OIL LEVEL WITHIN THE PRESCRIBED TIME AFTER SHUTDOWN AND IT WAS VISABLE ON ONLY THE VERY BOTTOM OF THE DIPSTICK (OUT OF RANGE OF THE MARKINGS). MOTORED THE ENGINE FOR 20 SECONDS AND RECHECKED THE OIL LEVEL AGAIN, UNABLE TO OBTAIN READIN
- [SDR CA190326010](https://openairdocs.org/sdr/CA190326010.md): Check Valve · stuck · Feb 27, 2019 · Cessna 550 · Turbine Engine Oil System
  > (CAN) MULTIPLE OCCURRENCES ON THIS DAY AND PRIOR OF AMES UNABLE TO OBTAIN AN ACCURATE OIL LEVEL READING ON R/H ENGINE INCORPORATING SB7639. TEMPORARY PROCEDURES TO BLOW AIR BY MOUTH INTO THE OIL FILLER NECK VIA A TUBE RESULTED IN OIL BLOWING OUT OF THE FILLER
- [SDR CA190215008](https://openairdocs.org/sdr/CA190215008.md): Valve · sticking · Feb 10, 2019 · Cessna 550 · Turbine Engine Oil System
  > (CAN) R/H ENGINE KDX RETURNED FROM FLIGHT. AIRCRAFT OIL CHECKED WITHIN 10 MINUTES OF ENGINE SHUTDOWN. R/H ENG INDICATED INCH FROM BOTTOM OF DIPSTICK, WELL BELOW ADD 1 QT. 2 QTS OF OIL ADDED AND THE OIL FILLED THE DIPSTICK TUBE TO NEAR THE TOP. APPROX 10CC WA
- [SDR 2017FA0000592](https://openairdocs.org/sdr/2017FA0000592.md): Stator · cracked · Nov 14, 2017 · N726HA · Cessna 550 · Engine (Turbine/Turboprop)
  > UPON CARRYING OUT A BOROSCOPE OF THE ENGINE HOT SECTION, WHILE TRYING TO GAIN AN ENGINE EXTENSION. BORESCOPED C.C.LINER, H.P..T. BLADES, H.P.T. STATOR, SMALL EXIT DUCT, AND SHROUD SEGMENTS, L.P.T. ROTOR ASSEBLY. H.P.T. BLADE HAS IMPACT DAMAGE. H.P.T. STATOR
- [SDR CA151015006](https://openairdocs.org/sdr/CA151015006.md): Fcu · malfunctioned · Oct 2, 2015 · Cessna 500CESSNA · Fuel Control/Turbine Engines
  > (CAN) THERE WAS A POWER ROLLBACK IN FLIGHT TO 78 PERCENT. THE ACFT LANDED UNEVENTFULLY. DURING TROUBLESHOOTING, THE FCU WAS REPLACED AND THE ACFT RETURNED TO SERVICE. THE OPERATOR DID NOT SPECIFIED WHICH ENGINE WAS INVOLVED.
- [SDR CA151007006](https://openairdocs.org/sdr/CA151007006.md): Engine · smoke · Sep 16, 2015 · Cessna 550 · Engine (Turbine/Turboprop)
  > (CAN) CUSTOMER REPORTED OIL ODOR AND SMOKE IN THE CABIN COMING FROM THE RT ENGINE. THE OIL PUMP WAS REPLACED AN ACFT RETURNED TO SERVICE.
- [SDR CA150724005](https://openairdocs.org/sdr/CA150724005.md): Pin · backed out · Jul 16, 2015 · Cessna 550 · Landing Gear Steering System
  > (CAN) THE PILOTS NOTED A DEAD BAND IN THE NOSE WHEEL STEERING ON ONE SIDE ONLY. TROUBLESHOOTING REVEALED THAT THE NOSE WHEEL STEERING GEAR ATTACH PIN WAS PARTIALLY BACKED OUT (APPROXIMATELY 1/16") ALTHOUGH THE LOCKWIRE WAS SECURE. IT WAS CONFIRMED THAT RUDDER
- [SDR CA150408019](https://openairdocs.org/sdr/CA150408019.md): Engine · flamed out · Feb 26, 2015 · Engine (Turbine/Turboprop)
  > (CAN) ENGINE FLAMED OUT WHILE TAXIING BACK TO RAMP AFTER COMPLETION OF FLIGHT.
- [SDR I6GR2015020400001](https://openairdocs.org/sdr/I6GR2015020400001.md): Fuel Control · failed · Jan 19, 2015 · N525JA · Cessna 550 · Fuel Control/Turbine Engines
  > PILOT REPORTED UNCOMMANDED ENGINE ROLLBACK TO 70 PERCENT AT FL360. THROUGH DESCENT, ENGINE THROTTLE RESPONSE RETURNED TO NORMAL. PILOT MADE PRECAUTIONARY UNSCHEDULED LANDING WITH NO FURTHER PROBLEMS. FUEL CONTROL ASSEMBLY REMOVED AND FORWARDED TO VENDOR FOR
- [SDR O2GA2014FA0000695](https://openairdocs.org/sdr/O2GA2014FA0000695.md): Shutoff Valve · malfunctioned · Dec 5, 2014 · N550G · Cessna 550 · Fuel Controlling System
  > AFTER TAKEOFF AT ABOUT 2,000 FEET, LT ENGINE SHUTDOWN. CREW RETURNED TO BASE. MAINTENANCE FOUND THE EMERGENCY FUEL SHUTOFF VALVE TO THE ENGINE TRIPPED OFF DUE FUEL TO THE FCU. BOROSCOPE OF ENGINE FOUND TURBINE BLADE DAMAGE AND INDICATION OF FOD DAMAGE.
- [SDR CA141218003](https://openairdocs.org/sdr/CA141218003.md): Shutoff Valve · tripped · Dec 3, 2014 · Cessna 550 · Engine (Turbine/Turboprop)
  > (CAN) THE LEFT ENGINE SHUT DOWN INFLIGHT DURING CLIMB. AN UNEVENTFUL LANDING WAS MADE FROM THE POINT OF DEPARTURE. SO FAR THE EMERGENCY FUEL SHUT OFF VALVE WAS FOUND TRIPPED.
- [SDR 4DSR20141102](https://openairdocs.org/sdr/4DSR20141102.md): Duct · cracked · Nov 24, 2014 · N5408G · Cessna 550 · Air Intake Anti/De-Ice System
  > DURING SCHEDULED INSPECTION FOUND THE INLET ANTI-ICE HOT AIR DISTRIBUTION DUCT CRACKED FORWARD WHERE THE BLEED AIR TAP IS WELDED INTO THE DUCT. THIS AREA IS DIFFICULT TO DETECT AND REQUIRES CAREFUL EXAMINATION. ON THIS ACFT THE LEAK HAD BLOWN BACK SOME OF THE
- [SDR CA140414004](https://openairdocs.org/sdr/CA140414004.md): Seal · stuck · Apr 3, 2014 · Cessna 550 · Emergency Exits
  > (CAN) AN ATTEMPT WAS MADE TO REMOVE THE EMERGENCY EXIT FOR TRAINING PURPOSES. THE EMERGENCY EXIT COULD NOT BE OPENED FROM INSIDE THE ACFT. TO OPEN THE EXIT, TECH APPLIED FORCE FROM THE EXTERIOR OF THE ACFT FROM AN ELEVATED POSITION, STAND, TO FORCE OPEN THE
- [SDR CA131105003](https://openairdocs.org/sdr/CA131105003.md): Fan · seized · Oct 25, 2013 · Cessna 550 · Turbine Engine Air Inlet Section
  > (CAN) BASED ON PRELIMINARY INFORMATION, THE ENGINE SUFFERED IFSD UNDER UNKNOWN CIRCUMSTANCES. POST FLIGHT INSPECTION REVEALED THE FAN ROTOR SEIZED. NO FURTHER INFORMATION AVAILABLE AT THIS TIME.
- [SDR CA131023005](https://openairdocs.org/sdr/CA131023005.md): Hose · blown · Oct 8, 2013 · Cessna 550 · Cabin Pressure Control System
  > (CAN) ACFT HAD UNCOMMANDED LOSS OF PRESURIZATION AT FLIGHT LEVEL 280. ACFT LANDED SAFELY. VISUAL INSPECTION FOUND HOSE WAS BLOWN OFF FLOOD COOLING LOWER METAL DUCT.
- [SDR CA131021005](https://openairdocs.org/sdr/CA131021005.md): Engine · unknown · Oct 6, 2013 · Cessna 550 · Engine (Turbine/Turboprop)
  > (CAN) THE TAKEOFF WAS ABORTED DUE TO NO ENGINE RESPONSE TO POWER LEVER MOVEMENT. A PNEUMATIC LEAK WAS SUSPECTED. THE INVESTIGATION IS ONGOING.
- [SDR BTAA2013F00001](https://openairdocs.org/sdr/BTAA2013F00001.md): Skin · corroded · Sep 9, 2013 · N204CF · Cessna 550 · Wing, Plate/Skin
  > LEFT WING L/E SKIN UNDER DE-ICING BOOT CORRODED. BLENDED OUT CORROSION AND FOUND REMAINING SKIN THICKNESS UNDER MINIMUMS. CUTOUT DAMAGE SKINS AND PERFORMED REPLACEMENT IAW ACFT SRM 57-20-07.
- [SDR CA131021002](https://openairdocs.org/sdr/CA131021002.md): Oil System · low pressure · Sep 5, 2013 · Cessna 550 · Engine Oil Pressure
  > (CAN) THE ENGINE WAS SENT FOR INVESTIGATION AND REPAIR AFTER THE OPERATOR REPORTED HAVING AN INFLIGHT SHUTDOWN, IFSD, DUE TO LOW OIL PRESSURE INDICATION, OIL PRESSURE DOWN TO 15 PSI. A CHECK OF THE OIL LEVEL AFTER THE INCIDENT REVEALED THAT THERE WAS ONLY 25
- [SDR CA130719001](https://openairdocs.org/sdr/CA130719001.md): Gear · damaged · Jul 17, 2013 · Cessna 550 · Trailing Edge Flap Control System
  > (CAN) DURING FLAP MOTOR OPS CHECK, TASK 27-51-00-710 PART OF THE OPS 1-2 INSPECTION, WHERE BOTH CONTROL SIDE OF THE FLAP ARE TESTED INDEPENDENTLY, THE RIGHT FLAP GEARBOX WAS DRIVING THE FLAPS ERRATICALLY BY SEQUENCE MAKING BIG (BANG) NOISE. THE FLAP MOTOR AND
- [SDR CA130722004](https://openairdocs.org/sdr/CA130722004.md): Gear · damaged · Jul 7, 2013 · Cessna 550 · Trailing Edge Flap Control System
  > (CAN) DURING FLAP MOTOR OPS CHECK,TASK 27-51-00-710 PART OF THE OPS 1-2 INSPECTION, WHERE BOTH CONTROL SIDES OF THE FLAP ARE TESTED INDEPENDENTLY, THE RIGHT FLAP GEARBOX WAS DRIVING THE FLAPS ERRATICALLY BY SEQUENCE MAKING BIG (BANG) NOISES. THE FLAP MOTOR AND
- [SDR CA130626012](https://openairdocs.org/sdr/CA130626012.md): Uplock Switch · failed · Jun 13, 2013 · Cessna 550 · Landing Gear Retraction/Extension System
  > (CAN) CREW REPORTED THAT THE RIGHT MAIN GEAR REMAINED DOWN AND LOCKED AFTER RETRACTING THE LANDING GEAR. MAINTENANCE FOUND THAT THE RT MLG UPLOCK SWITCH WAS INTERMITTENT. SWITCH WAS REPLACED IAW AMM 32-61-00.
- [SDR CA130605009](https://openairdocs.org/sdr/CA130605009.md): Mount Bracket · cracked · Jun 3, 2013 · Cessna 550 · Landing Gear Door Retract Section
  > (CAN) NOSE GEAR FWD DOOR TORQUE TUBE ASSY MOUNTING BRACKET FOUND CRACKED CAUSING DOORS TO HANG OPEN APROXIMATELY 2".
- [SDR CA130430011](https://openairdocs.org/sdr/CA130430011.md): Gearbox · failed · Apr 30, 2013 · Cessna 550 · Accessory Gearboxes
  > (CAN) EIR JT15D 2013-003 ENGINE WAS SENT FOR INVESTIGATION AND REPAIR AFTER THE OPERATOR REPORTED HAVING AN IN-FLIGHT SHUTDOWN. INVESTIGATION OF THE INCIDENT ON WING REVEALED THAT THE AGB APPEARED TO HAVE DECOUPLED FROM THE ENGINE.
- [SDR 2013FA0000198](https://openairdocs.org/sdr/2013FA0000198.md): Flow Divider · leaking · Mar 6, 2013 · N550G · Cessna 550 · Fuel Controlling System
  > FUEL LEAK AT BOTTOM OF NR 2 ENGINE DRAIN AT START. FLOW DIVIDER FOUND FAULTY.
- [SDR CA130215001](https://openairdocs.org/sdr/CA130215001.md): Link · damaged · Feb 15, 2013 · Cessna 550 · Trailing Edge Flap Control System
  > (CAN) DURING PHASE 5 INSPECTION, IT WAS FOUND THAT THE GANGED CHAIN ON THE FLAP DRIVE ASSY WAS MISSING. THE 2 CENTER SLIP FIT PIN LINKS. SUSPECTED CAUSE OF ERROR IS THAT NEW SERVICE KITS, PN ASA35-2CL FROM ACFT MFG ARRIVE MISSING 2 OF 3 REQUIRED SLIP FIT PIN
- [SDR 2013FA0000117](https://openairdocs.org/sdr/2013FA0000117.md): Seal · mismanufactured · Feb 8, 2013 · N99TK · Cessna 550 · Main Landing Gear Strut/Axle/Truck
  > BACK UP SEAL FOR LT STRUT BEARING WAS MFG INCORRECTLY. THE JOINING SPLIT OF THE MS28274-337 WAS CUT AT THE WRONG ANGLE, PUSHING ON THE MAIN SEAL, CAUSING IT TO LEAK.
- [SDR 2013FA0000079](https://openairdocs.org/sdr/2013FA0000079.md): Seal · worn · Jan 31, 2013 · N550G · Cessna 550 · Passenger/Crew Doors
  > ENTRANCE DOOR SEAL NOISE HEARD ON DEPARTURE. AFTER LANDING, FOUND SEAL MATERIAL DISLODGED, CAUSING REDUCED PRESSURIZATION SEALING WHEREAS CABIN ALTITUDE WOULD NOT STABILIZE.
- [SDR 2013FA0000018](https://openairdocs.org/sdr/2013FA0000018.md): Brake Assy · cracked · Dec 27, 2012 · N6001L · Cessna 550 · Landing Gear Brake System
  > RT BRAKE ASSY SEIZED JUST PRIOR TO TAKEOFF ROLL DUE TO A CRACKED STATOR DIS LEAVING ACFT STRANDED ON THE ACTIVE RUNWAY. ON FURTHER INVESTIGATION, MX NOTED THAT BOTH BRAKE ASSY STATOR DISC WERE CRACKED WITH THE MOST INBD BEING THE MOST SEVERE. BRAKE ASSY HAD
- [SDR 2012FA0000806](https://openairdocs.org/sdr/2012FA0000806.md): Starter Gen · fire · Dec 5, 2012 · N752CC · Cessna 650 · Starter-Generator
  > DURING A POST MX GROUND RUN AFTER A 10 SECOND DRY MOTOR OF BOTH ENGINES AND A COOL DOWN PERIOD, THE RT ENGINE WAS STARTED. THE FIRE GUARD/GROUND RUN MONITOR NOTICED A FLAME IN THE VICINITY OF THE STARTER GENERATOR (THE LOWER COWLING WAS REMOVED). AFTER HE SI
- [SDR 2012FA0000642](https://openairdocs.org/sdr/2012FA0000642.md): Seat · broken · Sep 13, 2012 · N475HC · Cessna 550 · Flight Compartment Equipment
  > SEAT BASE BROKEN.
- [SDR 2012FA0000613](https://openairdocs.org/sdr/2012FA0000613.md): Light · loose · Aug 1, 2012 · N678GS · Cessna 550 · Landing Gear Position and Warning
  > PILOT DID NOT HAVE A NOSE GEAR DOWN INDICATON NO "GREEN" LIGHT AFTER EXTENDING THE GEAR FOR LANDING. ALSO NOTED THAT THERE WAS NOT "RED" LIGHT OR UNSAFE INDICATION. PILOT ELECTED TO PERFORM AN EMERGENCY EXTENSION TO INSURE NOSE GEAR WAS DOWN. FLIGHT WAS AT
- [SDR 2012FA0000693](https://openairdocs.org/sdr/2012FA0000693.md): Igniter · misinstalled · Jul 26, 2012 · N800HW · Cessna S550 · Ignition Harness (Distribution)
  > DURING NR 2 ENGINE INSPECTION, IGNITER AND LEAD WERE REMOVED AND INSPECTED. AFTER INSPECTION, IGNITER AND LEAD WERE INSTALLED AND THE LEAD WAS CLOCKED INCORRECTLY ON THE ENGINE. THROTTLE LINKAGE WAS CONTACTING THE IGNITER LEAD AT FULL THROTTLE. PREVENTING T
- [SDR CA120706005](https://openairdocs.org/sdr/CA120706005.md): Bulkhead · damaged · Jul 6, 2012 · Cessna 550 · Fuselage Main, Bulkhead
  > (CAN) INSPECTION COMPLETED IAW IN HOUSE CAMPAIGN NOTICE 851-10-055, TO INSPECT FOR MISSING RIVETS AND INCORRECTLY SITED RIVETS AT FS481 BETWEEN RBL 7.0 AND LBL 7.0. MISSING RIVETS FOUND.
- [SDR CA120705002](https://openairdocs.org/sdr/CA120705002.md): Bulkhead · damaged · Jul 5, 2012 · Cessna 550 · Fuselage Main, Bulkhead
  > (CAN) INSPECTION COMPLETED IAW IN HOUSE CAMPAIGN NOTICE 851-10-055, TO INSPECT FOR MISSING RIVETS AND INCORRECT RIVETS AT FS481 BETWEEN RBL 7.0 AND LBL 7.0. MISSING RIVETS FOUND DOCUMENTED.
- [SDR CA120705001](https://openairdocs.org/sdr/CA120705001.md): Bulkhead · damaged · Jul 3, 2012 · Cessna 550 · Fuselage Main, Bulkhead
  > (CAN) INSPECTION COMPLETED IAW IN HOUSE CAMPAIGN NOTICE 851-53-10-055, TO INSPECT FOR MISSING RIVETS AND INCORRECTLY SITED RIVETS AT FS481 BETWEEN RBL 7.0 AND LBL 7.0. MISSING RIVETS FOUND.
- [SDR CA120628008](https://openairdocs.org/sdr/CA120628008.md): Bulkhead · damaged · Jun 22, 2012 · Cessna 550 · Fuselage Main, Bulkhead
  > (CAN) BULKHEAD MISSING 12 ATTACHMENT RIVETS IN AFT CANTED FRAME. NO RIVETS HAD EVER BEEN INSTALLED AT THIS LOCATION AND IT IS NOTED THAT THE ATTACHMENT OF THE FUSELAGE DORSAL FIN WOULD INTERFERE WITH THE INSTALLATION OF BULKHEAD RIVETS.
- [SDR CA120312016](https://openairdocs.org/sdr/CA120312016.md): Gyro · malfunctioned · Mar 8, 2012 · Cessna 550 · Attitude Gyro and Indicating System
  > (CAN) ON TAXI IT WAS NOTICED THAT THE VERTICAL GYRO HAD FAILED AND WAS APPROPRIATELY FLAGGED. THE FLIGHT CREW RETURNED TO THE BLOCKS WHERE MAINTENANCE REPLACED THE GYRO AND GROUND FUNCTION CHECKED THE SYS SERVICEABLE. THE GYRO WAS SENT TO AN AVIONICS SHOP FO
- [SDR CA120312008](https://openairdocs.org/sdr/CA120312008.md): Bracket · broken · Mar 4, 2012 · Cessna 550 · Starter-Generator
  > (CAN) DURING FLIGHT, VIBRATIONS WERE FELT WHICH THE PILOT TRACED BACK TO NR 2 ENGINE. HE REDUCED POWER BUT JUST BEFORE LANDING, THE ENGINE FLAMED OUT. AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED. POST FLIGHT INSPECTION SHOWED AN INOPERATIVE STARTER
- [SDR CA120228001](https://openairdocs.org/sdr/CA120228001.md): Oil Fill Port · cracked · Feb 8, 2012 · Cessna 550 · Turbine Engine Oil System
  > (CAN) AFTER TAKEOFF, PILOT NOTICED A LOW OIL PRESSURE WARNING ON LT ENGINE. PILOT SHUTDOWN AND SECURED ENGINE AND RETURNED TO DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. OIL LEAK FOUND AT THE FILLER NECK COVER.
- [SDR 2012FA0000099](https://openairdocs.org/sdr/2012FA0000099.md): Bearing · cracked · Feb 7, 2012 · N37201 · Cessna STC500CESSNA · Main Landing Gear Attach Section
  > GEAR WAS REMOVED FOR OTHER MX AND RT FORWARD MAIN LANDING TRUNNION PIN WING FITTING BEARING ASSY WAS REMOVED DUE TO PHENOLIC LINING DAMAGE. TECH WAS INSPECTING BEARING AND FOUND BEARING CRACKED.
- [SDR CA120124002](https://openairdocs.org/sdr/CA120124002.md): Turbine · failed · Jan 23, 2012 · Cessna 550 · Turbine Section
  > (CAN) EIR JT15D 2011-019, HPT CONTAINED FAILURE.
- [SDR 2012FA0000011](https://openairdocs.org/sdr/2012FA0000011.md): Stator · cracked · Dec 21, 2011 · N26496 · Cessna 550 · Brake
  > ON LANDING ROLLOUT, LT MAIN GEAR BRAKE LOCKED UP. UPON DISASSEMBLY AND INSP OF MALFUNCTIONING BRAKE BY MECHANIC, IT WAS DISCOVERED THAT THE STATOR DISK (1 OF THE 2 ON THE BRAKE ASSY) CLOSEST TO THE INBD SIDE HAD CRACKED AND SHATTERED INTO 4 LARGE SEGMENT PIEC
- [SDR CA111213002](https://openairdocs.org/sdr/CA111213002.md): Engine · damaged · Dec 12, 2011 · Cessna 550 · Engine (Turbine/Turboprop)
  > (CAN) AT FL200, CREW NOTICED A NOISE FROM SOMEWHERE ON THE ACFT. PNF WENT TO THE CABIN TO INVESTIGATE. NOISE WAS LOUDER, IN THE VICINITY OF THE LT ENG. VIBRATION STARTED TO BE NOTICEABLE. ALL ENG INDICATIONS WERE NORMAL. PRECAUTIONARY ENG SHUTDOWN COMPLET
- [SDR CA111118022](https://openairdocs.org/sdr/CA111118022.md): Circuit Breaker · damaged · Nov 9, 2011 · Cessna 550 · Air Conditioning System Wiring
  > (CAN) DURING A ROUTINE TAKEOFF, NOTED WHEN THE WHEELS BROKE GROUND, THE ACFT IMMEDIATELY WENT INTO EMERGENCY PRESSURIZATION MODE. THE FLIGHT CREW COULD NOT TURN IT OFF. ELECTED TO TURN AROUND AND LAND BACK AT DEPARTURE, THE LANDING CONTINUED WITHOUT COMPLICA
- [SDR CA111118021](https://openairdocs.org/sdr/CA111118021.md): Gyro · faulted · Nov 6, 2011 · Cessna 550 · Attitude Gyro and Indicating System
  > (CAN) DURING A ROUTINE FLIGHT, IT WAS NOTED DURING CRUISE, THE AUTO PILOT BECAME UNSERVICEABLE, ERATICALLY PITCHING UP UNCOMANDED. THE PILOTS DIS-ENGAGED THE AUTO PILOT AND THE FLIGHT CONTINUED WITHOUT COMPLICATIONS. TROUBLESHOT THE SYS, AND FOUND A FAULTY
- [SDR CA111118019](https://openairdocs.org/sdr/CA111118019.md): Indicator · inoperative · Nov 1, 2011 · Cessna 550 · Attitude Gyro and Indicating System
  > (CAN) DURING A ROUTINE FLIGHT, IT WAS NOTED DURING THE CLIMBOUT, THE PILOT ATTITUDE INDICATOR BECAME UNSERVICEABLE, THE FLIGHT AND LANDING CONTINUED WITHOUT COMPLICATIONS. AN AVIONICS SHOP WAS CONTRACTED VIA P/O TO R & R THE FAULTED GYRO WITH AN O/H UNIT, THE
- [SDR CA111118020](https://openairdocs.org/sdr/CA111118020.md): Power Supply · failed · Nov 1, 2011 · Cessna 550 · Data Recorders (Flight/Maintenance)
  > (CAN) DURING A ROUTINE FLIGHT, IT WAS NOTED IN CRUISE FLIGHT, THE CVR CIRCUIT BREAKER TRIPPED, THE FLIGHT AND LANDING CONTINUED WITHOUT COMPLICATIONS. REPAIRED THE FAULTED POWER SUPPLY MODULE. THE SYS WAS GROUND FUNCTION CHECKED SERVICEABLE.
- [SDR BLUA2012F00027](https://openairdocs.org/sdr/BLUA2012F00027.md): Line · leaking · Oct 30, 2011 · N53MS · Beech 400A · Cabin Cooling System
  > CABIN LOW PRESSURE LIGHT ILLUMINATED AT ALTITUDE. REPAIRED NUMEROUS LEAKS IN ACM AND BLEED SOURCE LINES REPLACED 3 BLEED SOURCE CHECK VALVES, OPS CHECKED PRESSURIZATION CONTROL SYSTEMS.

Next page: https://openairdocs.org/engine/pratt-whitney-canada-jt15d-4-series/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'JT15D4'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-jt15d-4-series/reports

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