# Service difficulty reports: AiResearch TPE331-3UW

A list on [AiResearch TPE331-3UW](https://openairdocs.org/engine/airesearch-tpe331-3uw.md).

Newest first. General aviation reporting is voluntary.

- [SDR AU510001635](https://openairdocs.org/sdr/AU510001635.md): Wire Harness · deteriorated · Dec 12, 2005 · Swrngn SA226TC · Fuel System Wiring
  > FUEL BOOST PUMP WIRING HARNESSES PN 27-82015-810 AND PN 27-82015-811 DETERIORATED. FOUND DURING INSPECTION IAW AD/SWA226/51 AND SB226-28-011.
- [SDR CA021227004](https://openairdocs.org/sdr/CA021227004.md): Line · leaking · Dec 22, 2002 · Swrngn SA226TC · Hydraulic System, Main
  > (CAN) DURING INSPECTION A LARGE AMOUNT OF HYRAULIC FLUID WAS FOUND IN THE LT WHEEL WELL, FURTHER INVESTRICATION REVEALED A SMALL PIN HOLE IN THE LINE. THE LINE WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.
- [SDR AUS20010733](https://openairdocs.org/sdr/AUS20010733.md): Valve · stuck · Jul 5, 2001 · Swrngn SA226TC · Turbine Engine Oil System
  > (AUS) OIL VENT VALVE STUCK OPEN.
- [SDR CA001206009](https://openairdocs.org/sdr/CA001206009.md): Brake Assy · seized · Nov 21, 2000 · Swrngn SA226TC · Brake
  > (CAN) ON LDG, LT BRAKE FAILED TO RELEASE FULLY. A/C LANDED SAFELY BUT UNABLE TO TAXI, BLOCKING RWY. BRAKE RELIEVED OF PRESSURE & A/C TOWED FROM RWY. SUBSEQUENT INSPECTION REVEALED THAT NR 2 BRAKE ASSY UPPER PISTON INSULATOR PIN EXTENDED & STUCK AT APPROXIMA
- [SDR AU001148](https://openairdocs.org/sdr/AU001148.md): Pipe · leaking · Nov 8, 2000 · Swrngn SA226TC · Hydraulic System, Main
  > (AUS) HYDRAULIC POWER PACK PIPE LOCATED IN LT ENGINE NACELLE LEAKING.
- [SDR CA001109010](https://openairdocs.org/sdr/CA001109010.md): Indicator · failed · Nov 4, 2000 · Swrngn SA226TC · Landing Gear Position and Warning
  > (CAN) ON APPROACH TO YXM WHEN GEAR SELECTED DOWN NOSEGEAR FAILED TO EXTEND, LT & RT MAIN INDICATED DOWN & LOCKED. DUE TO POOR WEATHER & BETTER FACILITIES CREW ELECTED TO PROCEED TO THEIR ALT OF YTH. WHEN LDG GEA R AGAIN SELECTED DOWN ATYTH, TOWER CONFIRMED THA
- [SDR CA000621017](https://openairdocs.org/sdr/CA000621017.md): Sensor · failed · Jun 19, 2000 · Swrngn SA226TC · Overheat Detection
  > (CAN) DURING CRUISE FLIGHT THE LT WING OVERHEAT LIGHT ILLUMINATED FOR APPROXIMATELY 1 MINUTE AND REMAINED OFF FOR THE DURATION OF THE FLIGHT.A SUBSEQUENT INSPECTION COULD NOT REVEAL ANY FAULT, ALL ASSOCIATED WIRING WAS THOROUGHLY INSPECTED ALL LT BLED AIR LINE
- [SDR CA991209020](https://openairdocs.org/sdr/CA991209020.md): Lighting Panel · melted · Nov 19, 1999 · Swrngn SA226TC · Flight Compartment Lighting
  > (CAN) A DAMAGED LIGHT BULB IN THE PILOT'S LOWER SWITCH PANEL BACKLIGHTING CAUSED A SHORT WHICH MELTED PART OF THE PANEL RESULTING IN SOME SMOKE AND FUMES IN THE COCKPIT.
- [SDR AU990434](https://openairdocs.org/sdr/AU990434.md): Mount · cracked · May 3, 1999 · Swrngn SA226TC · Engine Mount Section
  > (AUS) LOWER ENGINE MOUNT CRACKED.
- [SDR CA990129007](https://openairdocs.org/sdr/CA990129007.md): Line · chafed · Jan 15, 1999 · Swrngn SA226TC · Hydraulic System, Main
  > (CAN).75 INCH STAINLESS HYDRAULIC LINE FOUND CHAFED IN THE RIGHT HAND NACELLE INBOARD. ACCESSIBLE THROUGH THE WHEELWELL PANELS. LINE HAD BEEN RUBBING ON A STRINGER.
- [SDR AU990024](https://openairdocs.org/sdr/AU990024.md): Switch · leaking · Jan 13, 1999 · Swrngn SA226TC · Landing Gear Position and Warning
  > (AUS) NOSE LANDING GEAR PRESSURE SWITCH LEAKING OIL FROM WELDED SEAM.
- [SDR AU981680](https://openairdocs.org/sdr/AU981680.md): Plenum · cracked · Dec 21, 1998 · Swrngn SA226TC · Turbine Engine Combustion Section
  > (AUS) COMBUSTION CHAMBER (PLENUM) CASE CRACKED 11.1 MM (0.44 INCH) IN LENGTH BETWEEN THE 3RD AND 4TH FUEL NOZZLE, ADJACENT TO THE TURBINE SUPPORT DUCT MOUNTING FLANGE.
- [SDR AU981234](https://openairdocs.org/sdr/AU981234.md): Web · cracked · Sep 28, 1998 · Swrngn SA226TC · Wing Miscellaneous Structure
  > (AUS) WING CENTER SPAR WEB CRACKED. PART TC: 26,549.
- [SDR AU981085](https://openairdocs.org/sdr/AU981085.md): Keelson · cracked · Aug 20, 1998 · Swrngn SA226TC · Nacelle/Pylon, Frame/Spar/Rib
  > (AUS) LEFT NACELLE STRUCTURE INBOARD KEELSON CRACKED. PART TC: 29,623.
- [SDR AU980846](https://openairdocs.org/sdr/AU980846.md): Yoke · cracked · Jul 14, 1998 · Swrngn SA226TC · Main Landing Gear Strut/Axle/Truck
  > (AUS) LEFT AND RIGHT MAIN LANDING GEAR YOKES CRACKED. FOUND DURING ULTRASONIC INSPECTION IAW AD/SWSA226/74-A3.
- [SDR CA980629003](https://openairdocs.org/sdr/CA980629003.md): Actuator · failed · Jun 29, 1998 · Swrngn SA226TC · Stabilizer Actuator
  > (CAN) BOTH PILOT AND COPILOT ELECTRIC TRIM FAILED AT THE SAME TIME. SUBMITTER SUGGESTED HAVING TWO INDEPENDENT SYSTEMS. AWAITING TEAR DOWN REPORT.
- [SDR AU980713](https://openairdocs.org/sdr/AU980713.md): Keelson · cracked · Jun 19, 1998 · Swrngn SA226TC · Nacelle/Pylon, Plate/Skin
  > (AUS) LEFT NACELLE LEFT OUTBOARD KEELSON CRACKED FROM THE EDGE OF THE SKIN THROUGH THE LAST RIVET OF THE STIFFENER AND CONTINUES OUT AT AN ANGLE OF APPROXIMATELY 45 DEGREES. CRACK LENGTH 76.2 MM (3 INCHES). PART TOTAL CYCLES: 29,529.
- [SDR AU980714](https://openairdocs.org/sdr/AU980714.md): Drag Brace · broken · Jun 19, 1998 · Swrngn SA226TC · Landing Gear Retraction/Extension System
  > (AUS) MAIN LANDING GEAR DRAG BRACE ASSEMBLY CENTER TORQUE SHAFT SUPPORT LUGS BROKEN. TORQUE SHAFT BENT AND BROKEN.
- [SDR CA980706003](https://openairdocs.org/sdr/CA980706003.md): Bolt · wrong part · Jun 15, 1998 · Swrngn SA226AT · Fuel Injector Nozzle
  > (CAN) RIGHT ENGINE FIRE WARNING CAME ON AFTER TAKEOFF. PRIMARY FUEL NOZZLE GASKET HAD BLOWN OUT CAUSING FIRE DETECTOR TO ILLUMINATE FIRE WARNING LIGHT. IT WAS FOUND THAT THE BOLT SECURING THE FUEL NOZZLE WAS TOO LONG AND HAD BOTTOMED OUT AT LAST INSTALLATION
- [SDR CA980317095](https://openairdocs.org/sdr/CA980317095.md): Wire · broken · Mar 9, 1998 · Swrngn SA226TC · Overheat Detection
  > (CAN) WING OVERHEAT DETECTION SYSTEM FAILED TO TEST. INSPECTION FOUND THAT A WIRE HAD BROKEN OFF THE WING OVERHEAT SENSOR IN THE LEFT WING LEADING EDGE.
- [SDR CA980317093](https://openairdocs.org/sdr/CA980317093.md): Fire Detector · intermittent · Mar 5, 1998 · Swrngn SA226TC · Fire Detection
  > (CAN) RIGHT WING OVERHEAT LIGHT FLICKERED ON JUST PRIOR TO TAKEOFF. THE FIRE DETECT CIRCUIT WAS GROUNDING CAUSING AN INTERMITTENT LIGHT. REWIRED WING O/H DETECT SYSTEM, REPLACED THE 250 DEGREE SENSOR AND REPLACED THE WHEEL WELL 550 DEGREE O/H DETECTOR. ALSO
- [SDR CA971003003](https://openairdocs.org/sdr/CA971003003.md): Line · melted · Sep 24, 1997 · Swrngn SA226TC · Passenger Oxygen System
  > (CAN) DURING ROUTINE INSPECTION OF OXYGEN SYSTEM IN AFT CABIN SIDE WALL SUBMITTER FOUND THAT A SECTION OF PLASTIC OXYGEN LINE NEAR THE BACK OF THE CABIN WAS FOUND MELTED. IN ADDITION, A SMALL SPOT WAS ALSO FOUND AT MID CABIN ON LEFT SIDE. SUBMITTER SUSPECTS TH
- [SDR AU970616](https://openairdocs.org/sdr/AU970616.md): Bearing · disintegrated · May 2, 1997 · Swrngn SA226TC · Wheel/Ski/Float
  > (AUS) LH OUTBOARD WHEEL BEARING CONE DISINTEGRATED - WHEEL SEPARATED FROM AXLE DURING TAKEOFF - WHEEL RETAINING NUT STILL IN PLACE
- [SDR CA970520002](https://openairdocs.org/sdr/CA970520002.md): Stop Screws · backed out · Apr 16, 1997 · Swrngn SA226TC · Propeller Feathering/Reversing
  > (CAN) ON SHUTDOWN AFTER A TRAINING FLIGHT THE PROPELLER DID NOT FEATHER. SUBSEQUENT INVESTIGATION FOUND THE STOP SCREWS HAD BACKED OUT OF THE ROD GUIDE ENDS. THIS HAD THE EFFECT OF CAUSING THE STOP LOCKS TO MISS CATCHING THE SCREWS PRIOR TO SHUTDOWN AND PREVEN
- [SDR 97ZZZX2706](https://openairdocs.org/sdr/97ZZZX2706.md): Seal · leak · Mar 5, 1997 · N200PT · Swrngn SA226TC · Turbine Engine Compressor Section
  > LEFT ENGINE OIL PRESSURE FLUCTUATED DURING FLIGHT BACK FROM GCN. FLIGHT CREW MADE A PRECAUTIONARY LANDING AT IFP. MAINTENANCE FOUND OIL LEVEL LOW, SERVICED OIL TO FULL. RAN ENGINE, OIL PRESSURE WAS STABLE. CHECKED OIL LEVEL. IT REMAINED THE SAME, AIRCRAFT
- [SDR 97ZZZX2703](https://openairdocs.org/sdr/97ZZZX2703.md): Engine · low oil · Feb 28, 1997 · N200PT · Swrngn SA226TC · Turbine Engine Oil System
  > LEFT ENGINE OIL PRESSURE DROPPED AFTER TAKEOFF. AIRCRAFT RETURNED TO AIRPORT. MAINTENANCE INSPECTED ENGINE, SERVICED ENGINE WITH 3 QUARTS OF OIL. TEST FLEW AIRCRAFT FOR 30 MINUTES. PRESSURE CHECK AND QUANTITY CHECKED OK AFTER TEST FLIGHT. THIS ENGINE WILL
- [SDR CA961024016](https://openairdocs.org/sdr/CA961024016.md): Cable · broken · Oct 17, 1996 · Swrngn SA226TC · Power Lever
  > (CAN) AFTER START UP THE RIGHT HAND ENGINE DID NOT RESPOND TO SPEED LEVER INPUT. AIRCRAFT RETURNED TO TERMINAL. INSPECTION FOUND THAT THE INNER RIBBON OF THE 'COCKPIT TO WING ROOT ASSEMBLY' HAD FAILED AT THE QUADRANT. ACCORDING TO SUBMITTER THIS CABLE HAD BEEN
- [SDR CA961022006](https://openairdocs.org/sdr/CA961022006.md): Yoke · cracked · Oct 12, 1996 · Swrngn SA226TC · Main Landing Gear Strut/Axle/Truck
  > (CAN) ULTRASONIC INSPECTION OF LANDING GEAR YOKES AS PER AD 96-19-05. OF 41 YOKES INSPECTED 12 HAD CRACKS. ALL 12 HAD BEEN FOUND OK ONE YEAR PREVIOUS. ALL ARE FAIRLY HIGH TIME. SUBMITTER SUGGESTS THAT CRACKING NOT ENTIRELY RELATED TO FATIGUE AS SOME NEW YOKES
- [SDR CA961022011](https://openairdocs.org/sdr/CA961022011.md): Yoke · cracked · Oct 12, 1996 · Swrngn SA226TC · Main Landing Gear Strut/Axle/Truck
  > (CAN) ULTRASONIC INSPECTION OF LANDING GEAR YOKES AS PER AD 96-19-05. OF 41 YOKES INSPECTED 12 HAD CRACKS. ALL 12 HAD BEEN FOUND OK ONE YEAR PREVIOUS. ALL ARE FAIRLY HIGH TIME. SUBMITTER SUGGESTS THAT CRACKING NOT ENTIRELY RELATED TO FATIGUE AS SOME NEW YOKES
- [SDR CA961022012](https://openairdocs.org/sdr/CA961022012.md): Yoke · cracked · Oct 12, 1996 · Swrngn SA226TC · Nose/Tail Landing Gear Strut/Axle
  > (CAN) ULTRASONIC INSPECTION OF LANDING GEAR YOKES AS PER AD 96-19-05. OF 41 YOKES INSPECTED 12 HAD CRACKS. ALL 12 HAD BEEN FOUND OK ONE YEAR PREVIOUS. ALL ARE FAIRLY HIGH TIME. SUBMITTER SUGGESTS THAT CRACKING NOT ENTIRELY RELATED TO FATIGUE AS SOME NEW YOKES
- [SDR CA961003004](https://openairdocs.org/sdr/CA961003004.md): Balance Weight · broken · Sep 18, 1996 · Swrngn SA226TC · Ailerons
  > (CAN) LEFT AILERON INBOARD BALANCE WEIGHT FOUND BROKEN AT CENTRE ATTACH BOLT. WEIGHT HAD BEEN CRACKED FOR SOME TIME. REST OF FLEET OF 12 AIRCRAFT CHECKED AND 6 OTHERS FOUND WITH BROKEN BALANCE WEIGHTS AT SAME PLACE. ALL CRACKED BALANCE WEIGHTS FOLLOWED A SIMIL
- [SDR CA961003010](https://openairdocs.org/sdr/CA961003010.md): Balance Weight · cracked · Sep 18, 1996 · Swrngn SA226TC · Ailerons
  > (CAN) LEFT AILERON OUTBOARD BALANCE WEIGHT FOUND CRACKED AT CENTRE HOLE. 6 OF 12 OTHER AIRCRAFT FOUND WITH SIMILAR PROBLEM.
- [SDR CA961001006](https://openairdocs.org/sdr/CA961001006.md): Turbine · damaged · Sep 11, 1996 · Swrngn SA226TC · Turbine Section
  > (CAN) ON APPROACH, ENGINE SHUT DOWN AND THE PROPELLER FEATHERED. THE LANDING WAS ACCOMPLISHED WITHOUT INCIDENT. THE FLIGHT CREW CHECKED THE L/H ENGINE AND FOUND THAT THE PROPELLER COULD NOT BE TURNED BY HAND. MAINTENANCE DISPATCHED AND ENGINE REPLACED. FIELD R
- [SDR AU960384](https://openairdocs.org/sdr/AU960384.md): Support · cracked · Mar 21, 1996 · Swrngn SA226TC · Main Landing Gear Attach Section
  > (AUS) RH MAIN LANDING GEAR OUTBOARD UPPER DRAG BRACE SUPPORT STRUCTURE CRACKED - PART NUMBERS OF CRACKED COMPONENTS:- 1. HAT SECTION PNO S27-35011-055M - CRACKED 2. T DOUBLER PNO S27-35011-23M - CRACKED3. DOUBLER PNO S27-35011-017M - CRACKED 4. DOUBLER PNO
- [SDR CA960116006](https://openairdocs.org/sdr/CA960116006.md): Fcu · erratic · Jan 11, 1996 · Swrngn SA226TC · Fuel Control/Reciprocating Engines
  > (CAN)THIS FUEL CONTROL UNIT WAS REMOVED DUE TO MALFUNCTION CAUSED BY THE MAXIMUM POWER ADJUSTMENT SETTING BEING BOTTOMED OUT. ONE MONTH LATER THIS SAME FCU WAS SENT BACK FOR OVERHAUL DUE TO TORQUE JUMPING ERRATICALLY.

## 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 = 'TPE3313UW'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/airesearch-tpe331-3uw/reports

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