# Service difficulty reports: U/A Canada PT6A-27

A list on [U/A Canada PT6A-27](https://openairdocs.org/engine/u-a-canada-pt6a-27.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 13 · 642 reports

- [SDR 2026F00209](https://openairdocs.org/sdr/2026F00209.md): Fuel Line · kinked · Sep 16, 2026 · Dhav DHC6300 · Aircraft Fuel Distribution System
  > FWD FUEL FLOW FLUCTUATING DURING TAKE OFF ROLL, ABORTED TAKE OFF AND RETURNED TO GATE.
- [SDR TIMA20251226004](https://openairdocs.org/sdr/TIMA20251226004.md): Electrical Box · contaminated · Dec 23, 2025 · N24BH · Beech 99 · Light System Wiring
  > WHILE IN CRUISE FLIGHT THE CIRCUIT BREAKER PANEL STARTED SMOKING. PILOT REQUESTED APPROACH FOR PRIORITY IN HELENA, MT. PILOT SAID THE SMOKE SHORTLY STOPPED AFTER 5 SECONDS. PILOT HAD A NORMAL LANDING IN KHLN AND CONTACTED MAINTENANCE. MAINTENANCE SAID THAT DE-
- [SDR S9BA2025121500004](https://openairdocs.org/sdr/S9BA2025121500004.md): Gasket · burned · Dec 12, 2025 · Dhav DHC6300 · Fuel Injector Nozzle
  > FLT/CREW REPORTED - UPON SETTING CRUISE POWER APPROX. 3 MINUTES AFTER ON FLIGHT # BB - 186 SPB / SSB " FIRE WARNING R ENGINE WITH NO EVIDENCE OF FIRE. THIS A REPEAT ITEM DATED 12/04/2025 - UNIQE CONTROL # S9BA202500003. CHECKED & INSPECTED FUEL NOZZLE SYSTEM
- [SDR S9BA202512080003](https://openairdocs.org/sdr/S9BA202512080003.md): Fire Detector · out of tolerance · Dec 4, 2025 · Dhav DHC6300 · Fire Detection
  > FLT/CREW REPORTED - UPON LEVELING OUT ON FLIGHT NR BB-136 SSP / SSB RT ENGINE FIRE WARNING LIGHT CAME ON WITH AURAL FIRE BELL WARNING CAME ON ALSO. POWER LEVER / TQ WAS REDUCE AND BOTH FIRE WARNING EXTINGUSHED, F/O VISUALLY CONFIRMED NO FIRE OR SMOKE WAS COMIN
- [SDR TIMA202309013006](https://openairdocs.org/sdr/TIMA202309013006.md): Transducer · unknown · Aug 3, 2023 · N95WA · Beech 99 · Engine Indicating System
  > AFTER TAKEOFF WHILE CLIMBING THROUGH ROUGHLY 6000 FEET THE TORQUE AND ITT BEGAN TO SLOWLY FALL. AFTER PILOT NOTICED THE DECREASE HE REQUESTED TO GO BACK TOWARD THE AIRPORT AND BEGAN TO TROUBLE SHOOT. HE INCREASED AND DECREASED THE POWER LEVERS AND NOTICED VERY
- [SDR KCQA20211207](https://openairdocs.org/sdr/KCQA20211207.md): Brake Assy · leaking · Nov 29, 2021 · N499CZ · Beech 99 · Landing Gear System
  > WHILE TAXING THE AIRCRAFT AFTER LANDING THE FLIGHT CREW NOTICED THERE WAS A LOSS OF BRAKING ON THE LH SIDE. FOUND LEAKING BRAKE FLUID OUT OF THE LH BRAKE LINE WHERE IT GOES TO THE CALIPER. TIGHTENED THE BRAKE LINE GOING INTO THE LH OUTBOARD CALIPER. BLED TH
- [SDR HKGA20201001001](https://openairdocs.org/sdr/HKGA20201001001.md): Nozzle · leaking · Oct 1, 2020 · N969AC · Dhav DHC6300 · Fuel Injector Nozzle
  > NUMBER 2 ENGINE FLAMED OUT DURING CRUISE FLIGHT. AFTER LANDING MAINTENANCE FOUND THE NUMBER 8 FUEL NOZZLE LEAKING FROM THE TRANSFER TUBES, DUE TO AN INCORRECTLY INSTALLED LOCKING PLATE. MAINTENANCE THEN REMOVED THE LOCKING PLATE AND TRANSFER TUBES, REPLACED
- [SDR CA190731030](https://openairdocs.org/sdr/CA190731030.md): Switch · malfunctioned · Jul 29, 2019 · Dhav DHC6300 · Propeller Feathering/Reversing
  > (CAN) DURING THE TAKE-OFF SLIDE, THE AUTO FEATHER SWITCH WOULD NOT ARM. THE PILOTS ABORTED THE TAKE-OFF AND RETURNED TO THE DOCK. THE SWITCH WAS REPLACED, AND THE SYSTEM TESTED SERVICEABLE. NOTE: THIS OPERATOR HAS HAD MULTIPLE AUTO FEATHERS SWITCHES FAIL, SEV
- [SDR CA190725012](https://openairdocs.org/sdr/CA190725012.md): Exhaust Duct · damaged · Jul 24, 2019 · Engine (Turbine/Turboprop)
  > (CAN) THIS ENGINE WAS SENT FOR REPAIR AFTER A POWER TURBINE BLADE DISTRESS WAS REPORTED. IT WAS REPORTED THAT.THE RH ENGINE FAILED WITH A LOUD NOISE.THE POWER TURBINE HAD BEEN SHATTERED.THE COMPRESSOR SECTION HAD BEEN SEIZED. NO FURTHER DETAILS OF THE EV
- [SDR 3RAA201903288049](https://openairdocs.org/sdr/3RAA201903288049.md): Pushrod · abnormal · Mar 27, 2019 · N344CS · Dhav DHC6 · Power Lever
  > RIGHT ENGINE FCU PUSHROD (FCU CONTROL ROD) ADJUSTMENT TURNBUCKLE JAMNUTS LOOSENED AND THE TURNBUCKLE BACKED OUT LENGTHENING THE PUSHROD OVERALL LENGTH CAUSING LOW ENGINE POWER. BOTH JAMNUTS WERE FOUND SAFETIED ONLY TO THE TURNBUCKLE INSTEAD OF TO THE TURNBUCK
- [SDR TIMA20170427007](https://openairdocs.org/sdr/TIMA20170427007.md): Engine · malfunctioned · Apr 27, 2017 · N950AA · Beech B99 · Engine (Turbine/Turboprop)
  > DURING CRUISE FLIGHT, THE RIGHT ENGINE DEVELOPED TORQUE FLUCTUATIONS. PILOT NOTED FLUCTUATING OIL PRESSURE READINGS AND AS OIL PRESSURE DROPPED TO ZERO. SHUTDOWN THE RIGHT ENGINE. PILOT MADE AN UNSCHEDULED LANDING. SUBSEQUENT INSPECTION REVEALED SIGNIFICAN
- [SDR S9BA201612040004](https://openairdocs.org/sdr/S9BA201612040004.md): Duct Clamp · cracked · Dec 2, 2016 · Dhav DHC6 · Pneumatic Distribution System
  > ON TAKEOFF, RIGHT T HANDLE FIRE WARNING.
- [SDR GCNA20160725001](https://openairdocs.org/sdr/GCNA20160725001.md): Unknown · odor · Jul 20, 2016 · N173GC · Dhav DHC6300 · Air Distribution System
  > WHILE IN FLIGHT, CREW SMELLED SMOKE. THE CREW OPENED THE BUS TIE AND ISOLATED THE ELECTRICAL POWER. ACFT RETURNED TO BASE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED ACFT AND FOUND 2 COMPONENTS BAD, BUT HAVE NOT DETERMINED YET IF THEY ARE RELATED. THE
- [SDR 2016F00123](https://openairdocs.org/sdr/2016F00123.md): Wire · chafed · May 7, 2016 · N181CG · Beech E90 · Fire Protection System Wiring
  > EXPERIENCED A MASTER WARNING & FIRE INDICATION ON THE NR 2 ENG, SHORTLY AFTER GETTING INTO SOME HEAVY PRECIPITATION. THE PILOT RESET THE MASTER WARNING, BOTH THE MASTER WARNING & ENG FIRE INDICATION WENT OUT. ALL OTHER ENG PARAMETERS WERE NORMAL. HE ASKED T
- [SDR CA160317011](https://openairdocs.org/sdr/CA160317011.md): Strut · damaged · Feb 28, 2016 · Dhav DHC6200 · Wing, Attach Fittings
  > (CAN) DURING AN INSPECTION OF THE WING STRUT LOWER ATTACHMENT BOLTS, CORROSION WAS FOUND AT THE LOWER LUG ATTACHMENT POINT ON BOTH THE LT AND RT STRUTS. CORROSION WAS EVIDENT AROUND THE PHENOLIC WASHERS SO THE WASHERS WERE REMOVED FOR FURTHER INVESTIGATION WHI
- [SDR CA160229005](https://openairdocs.org/sdr/CA160229005.md): Light · burned out · Feb 26, 2016 · Dhav DHC6300 · Flight Compartment Lighting
  > (CAN) AIRCRAFT DEPARTED FROM AIRPORT AND CREW SMELLED AND NOTICED SMOKE COMING FROM ONE OF THE OVERHEAD COCKPIT PANELS. AIRCRAFT RETURNED TO AIRPORT AND LANDED SAFELY. MAINTENANCE INVESTIGATED AND REMOVED LIGHTING PANEL C6NF1253-19, WHICH HAD A HOLE BURNT THRO
- [SDR CA160307001](https://openairdocs.org/sdr/CA160307001.md): Turbine Blades · fractured · Feb 23, 2016 · Dhav DHC6300 · Turbine Section
  > (CAN) AFTER TAKE-OFF THE CREW OBSERVED A FLUCTUATION IN THE NR 2 TORQUE INDICATION AND COULD HEAR THE CHANGES IN ENGINE POWER SETTINGS. ALL OTHER PARAMETERS REMAINED NORMAL AND IN THE GREEN. THE ENGINE POWER LEVER WAS PULLED BACK TO OPERATE AT A REDUCED POWER
- [SDR CA160212009](https://openairdocs.org/sdr/CA160212009.md): Tube · corroded · Feb 11, 2016 · Dhav DHC6300 · Rudder Control System
  > (CAN) UPON REMOVAL OF TUBE ASSEMBLY-LOWER RUDDER SUPPORT, (C6FS1828-1) FOR CORROSION REMOVAL AND RE CADMIUM PLATING, IT WAS NOTICED THAT THE TUBE ASSEMBLY WAS FILLED WITH WATER. THIS IS A WELDED SEALED UNIT, SO CONDENSTION BUILD UP IS OCCURING INSIDE THE STE
- [SDR CA160208004](https://openairdocs.org/sdr/CA160208004.md): Exhaust Duct · damaged · Feb 8, 2016 · Dhav DHC6300 · Engine Collector/Tailpipe/Nozzle
  > (CAN) ENGINE SENT FOR INVESTIGATION DUE TO THE CUSTOMER REPORTED A CRACKED AND DISTORTED EXHAUST DUCT. THE CUSTOMER ELECTED TO OVERHAUL THE ENGINE AT THIS TIME.
- [SDR CA160301027](https://openairdocs.org/sdr/CA160301027.md): Fcu · leaking · Dec 27, 2015 · Fuel Control/Turbine Engines
  > (CAN) DURING ENGINE GROUND RUN, EGR, FUEL LEAK FROM FUEL PUMP DRAIN LESS THAN 20 CC MINUTE WAS FOUND. ALSO, LIGHT BLUE DYE WAS FOUND FROM FCU VENT HOLE. FCU AND FUEL PUMP HAVE BEEN REPLACED.
- [SDR CA151214008](https://openairdocs.org/sdr/CA151214008.md): Recorder · wrong part · Nov 27, 2015 · Dhav DHC6300 · Data Recorders (Flight/Maintenance)
  > (CAN) CVR OUTPUT FROM KMA24H-70 AUDIO PANELS DOES NOT COMPLY WITH EITHER ARINC 557 OR ARINC 757 STANDARDS FOR VOICE RECORDER INPUT LEVELS. INTERFACING AN ARINC 557 CVR (50MV RMS TO 500MV RMS) THE SUMMED AUDIO OUTPUT TO THE CVR HAS THE FOLLOWING CHARACTERISTI
- [SDR CA151112003](https://openairdocs.org/sdr/CA151112003.md): Wire · chafed · Nov 10, 2015 · Dhav DHC6300 · Ice/Rain Protection System Wiring
  > (CAN) WIRES FROM DE-ICE BOOT TO CONNECTOR FOUND CHAFFED ON CONNECTOR MOUNTING BRACKET.
- [SDR CA151023001](https://openairdocs.org/sdr/CA151023001.md): Lever · broken · Oct 20, 2015 · Dhav DHC6300 · Landing Gear Steering System
  > (CAN) DURING TURN AT THE END OF THE RUNWAY, CREW HEARD A THUMP. MAINTENANCE FOUND STEERING LEVER P/N 71-159-9 BROKEN. STEERING LEVER REPLACED, AND STEERING TRAVEL LIMITS VERIFIED IAW DHC6 MM. FLEET INSPECTION ALREADY GENERATED BY SDR 20151019002 WILL BE MODIF
- [SDR S9BA2016F00006](https://openairdocs.org/sdr/S9BA2016F00006.md): Fuel Control · failed · Oct 19, 2015 · Dhav DHC6300 · Fuel Control/Turbine Engines
  > (CGKBR) LEFT ENGINE NOT MAKING 50 PERCENT TORQUE ON LAST FLIGHT CHECKS. REPLACED FUEL PUMP AND FUEL CONTROL.
- [SDR CA151027007](https://openairdocs.org/sdr/CA151027007.md): Stud · sheared · Oct 19, 2015 · Dhav DHC6300 · Wing, Attach Fittings
  > (CAN) BRACKET C3W25-3 HOLDS TWO STUDS C3W65-3 THAT SECURE THE UPPER AND LOWER AILERON CABLE PULLEYS IN THE OUTBOARD LH WING OF THE TWIN OTTER. ONE OF THE PULLEYS WAS UNSERVICEABLE AND NEEDED TO BE REPLACED. THE NEW PULLEY WAS SET ON THE STUD AND THE ATTACHING
- [SDR CA151121001](https://openairdocs.org/sdr/CA151121001.md): Adapter · cracked · Oct 19, 2015 · Dhav DHC6300 · Vertical Stabilizer Miscellaneous Structure
  > (CAN) AFT ADAPTER ON VERTICAL STABILIZER WAS FOUND CRACKED UPON EXAMINATION CALLED OUT IN PART B OF SERVICE BULLETIN 6/454. INSPECTION REQUIRED EVERY 60 MONTHS. NDE REPORT CP4-2312 ON FILE. NEW ADAPTER WAS INSTALLED ON VERTICAL STABILIZER PER VIKING SERVICE BU
- [SDR TIMA20151015006](https://openairdocs.org/sdr/TIMA20151015006.md): Gear Set · stripped · Oct 15, 2015 · N24BH · Beech 99 · Engine Fuel Pump
  > DURING CRUISE CLIMB AT APPROX 9000 FT, THE LT ENG SUDDENLY LOST ALL POWER. ACFT RETURNED TO DEPARTURE LOCATION & LANDED WITHOUT INCIDENT. INSPECTION REVEALED THE LT ENG HIGH PRESS FUEL PUMP GEAR SET SPLINE WAS STRIPPED RESULTING IN FUEL PUMP FAILURE.
- [SDR CA151019002](https://openairdocs.org/sdr/CA151019002.md): Bolt · broken · Oct 15, 2015 · Dhav DHC6300 · Landing Gear Steering System
  > (CAN) STEERING ACTUATOR LINK BOLT P/N 71-146-1 FOUND BROKEN DURING NOSE WHEEL STEERING CABLE INSPECTION. BOLT WAS STILL IN ITS HOLE AND FELL AS IT GOT TOUCHED FOR INSPECTION.
- [SDR S9BA201510170014](https://openairdocs.org/sdr/S9BA201510170014.md): Transducer · malfunctioned · Oct 12, 2015 · Dhav DHC6300 · Engine BMEP/Torque Indicating
  > LT ENGINE ONLY PRODUCING 40 LBS TORQUE ON TAKEOFF. TAKEOFF WAS ABORTED. TORQUE TRANSDUCER WAS REPLACED IAW AMM 79-31.
- [SDR CA150723004](https://openairdocs.org/sdr/CA150723004.md): Collar · broken · Jul 22, 2015 · Dhav DHC6300 · Landing Gear Steering System
  > (CAN) PILOT LANDED AND NOTICE THAT NOSE WHEEL STEERING WAS STIFF AND DIFFICULT TO CONTROL. ALSO TILLER POSITION DID NOT CORRESPOND WITH THE DIRECTION AIRCRAFT WOULD TAXI. MAINTENANCE PERSONNEL PERFORMED A VISUAL INSPECTION OF THE NLG ASSY AND FOUND THE STEERI
- [SDR S9BA201506180004](https://openairdocs.org/sdr/S9BA201506180004.md): Engine · power loss · Jun 18, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)
  > LT ENGINE LOST POWER ON TAKEOFF, AUDIBLE GRINDING NOISE AND EXCESSIVE VIBRATION CAN BE HEARD AND FELT COMING FROM ENGINE.
- [SDR TIMA20150618001](https://openairdocs.org/sdr/TIMA20150618001.md): Fitting · leaking · Jun 18, 2015 · N950AA · Beech B99 · Turbine Engine Oil System
  > DURING APPROACH FOR LANDING, THE RT ENG OIL PRESS BEGAN FLUCTUATING. OIL PRESS DROPPED TO 40 PSI WITH THROTTLE AT IDLE & THE OIL PRESS ANNUNCIATOR ILLUMINATED. RT ENG WAS SHUTDOWN AT 1.5 MILES ON FINAL. ACFT LANDED UNEVENTFULLY. SUBSEQUENT INSPECTION REVEA
- [SDR CA150612009](https://openairdocs.org/sdr/CA150612009.md): Turnbuckle · cracked · Jun 12, 2015 · Dhav DHC6300 · Flight Control System
  > (CAN) DURING INSPECTION, FOUR TURNBUCKLES FROM A FLIGHT CONTROL TRIM SYSTEM WERE FOUND CRACKED. ONE MS21251B-5L, TWO MS21251B-2L, & ONE MS21251-B2L. CRACKS ARE LONGITUDINAL IN AREA OF LOCKING GROOVE. REMINDER THERE MAY STILL BE TURNBUCKLES IN SERVICE FROM T
- [SDR CA150604007](https://openairdocs.org/sdr/CA150604007.md): Control System · malfunctioned · May 25, 2015 · Engine Controls
  > (CAN) IT WAS REPORTED THAT THE LEFT TIRE BLEW OUT DURING LANDING, WHEN THE PILOT HAD TO APPLY THE BRAKE HARD, DUE TO THE LEFT ENGINE COULD NOT BE REVERSED. FURTHER INSPECTION REVEALED A BROKEN BOLT SECURING THE PUSH PULL CABLE & REVERSE RESET ARM INTERCONNECT
- [SDR CA150806008](https://openairdocs.org/sdr/CA150806008.md): Blade · damaged · May 15, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)
  > (CAN) DURING SCHEDULED MAINTENANCE AFTER HAVING A FOD INCIDENT ON THE OTHER ENGINE, IT WAS DECIDED TO REMOVE THE PROTECTIVE SCREEN AND INSPECT THE COMPRESSOR FOR FOD DAMAGE. THE FIRST STAGE COMPRESSOR BLADES WERE FOUND WITH HEAVY IMPACT DAMAGE. THE SECOND AND
- [SDR CA150602005](https://openairdocs.org/sdr/CA150602005.md): Engine · overtorqued · May 9, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)
  > (CAN) INFLIGHT SHUTDOWN DUE TO ENG OVER TORQUE UP TO 75%. ONGOING POWER SECTION & PROPELLER REPLACEMENT. THE ACFT TO BE FERRIED TO MAIN BASE FOR AUTO FEATHER SYS CHECK.
- [SDR CA150512002](https://openairdocs.org/sdr/CA150512002.md): Autofeather Sys · failed · May 7, 2015 · Dhav DHC6300 · Propeller Feathering/Reversing
  > (CAN) ENGINE NR 2 OVER TORQUED IN FLIGHT & NP WAS HIGH AT APPROX 92%. AS A PRECAUTION, ENG %2 WAS SHUTDOWN IN FLIGHT. THE OVER TORQUE WAS BEYOND 70 PSI FOR AT LEAST 1 MINUTE. NR 2 ENG WAS FEATHERED AT HIGH TORQUE VALUE. OVER TORQUE INSPECTIONS HAVE BEEN CO
- [SDR CA150421001](https://openairdocs.org/sdr/CA150421001.md): Line · chafed · Apr 18, 2015 · Dhav DHC6300 · Hydraulic System, Main
  > (CAN) UPON INSPECTION OF THE ACFT IT WAS FOUND THAT THE LT SKI UP LINE ON THE LT MLG LEG WAS CHAFED THROUGH WHERE THE LEG EXIT THE FUSELAGE ON AFT FUSELAGE GEAR FAIRING. ONCE SKIS WERE SELECTED UP ALL PRESSURE WAS LOST WAS LOST AFTER IT RAN OUT OF HYDRAULIC F
- [SDR CA150806007](https://openairdocs.org/sdr/CA150806007.md): Blades · cracked · Apr 15, 2015 · Dhav DHC6300 · Turbine Engine Compressor Section
  > (CAN) PILOT REPORTED CLICKING NOISE COMING FROM ENGINE DURING SHUTDOWN AND TURNING OVER ENGINE.MAINTENANCE INVESTIGATED AND FOUND THERE WAS A NOTICEABLE CLICKING NOISE COMING FROM THE COMPRESSOR AREA WHEN THE COMPRESSOR WAS TURNED OVER BY HAND. MIRROR AND BORE
- [SDR CA150331010](https://openairdocs.org/sdr/CA150331010.md): Lever · broken · Mar 23, 2015 · Dhav DHC6300 · Landing Gear Steering System
  > (CAN) THE FLIGHT CREW STATED THAT THE NOSE-WHEEL STEERING WAS HARD TO USE. WHEN THE AME INVESTIGATED HE DISCOVERED THAT THE LEVER ASSY WAS BROKEN ON THE NLG. NO RELATED DEFECTS WERE FOUND DURING THE INVESTIGATION. THE LEVER ASSY WAS REPLACED. THERE HAVE BEE
- [SDR CA150318016](https://openairdocs.org/sdr/CA150318016.md): Pressure Switch · failed · Mar 14, 2015 · Dhav DHC6200 · Propeller Feathering/Reversing
  > (CAN) AFTER ACFT HAD DOCKED, MAINTENANCE NOTICED AN OIL LEAK FROM THE NR 1 ENGINE COWLING. UPON INVESTIGATION IT WAS FOUND THAT THE SOURCE OF THE OIL LEAK WAS THE AUTOFEATHER TORQUE PRESSURE SWITCH. THE SWITCH WAS REPLACED AND A FUNCTION CHECK OF THE SYS CARR
- [SDR CA150312008](https://openairdocs.org/sdr/CA150312008.md): Rod · unserviceable · Mar 12, 2015 · Dhav DHC6300 · Aileron Tab Control System
  > (CAN) DURING ROUTINE MAINTENANCE ACTIVITIES THE AME NOTICED A CRACK IN THE AILERON SERVO ROD. THIS SAME CRACKED AREA ON THE ROD WAS ALSO SWOLLEN AND IT IS SUSPECTED THAT WATER ACCUMULATED INSIDE THE ROD AND FROZE. THE AILERON ROD WAS REPLACED WITH NO ADDITIO
- [SDR CA150303001](https://openairdocs.org/sdr/CA150303001.md): Shock Absorber · debonded · Feb 16, 2015 · Dhav DHC6300 · Main Landing Gear Strut/Axle/Truck
  > (CAN) DURING ACFT "EMMA" INSPECTION ON THE LANDING GEAR, THE ENGINEER FOUND THE LT REBOUND SHOCK ABSORBER ASSY DISBONDED FROM BOTH OF THE MOUNTING PLATES. THE REBOUND SHOCK ABSORBER WAS REPLACED BEFORE FURTHER FLIGHT. THE RT REBOUND SHOCK ABSORBER ASSY CHECKS
- [SDR JIKA2015021001](https://openairdocs.org/sdr/JIKA2015021001.md): Indicator · shorted · Feb 10, 2015 · N4299A · Beech B99 · Engine Oil Pressure
  > IN CRUISE, VISUALLY OBSERVED A SMALL AMOUNT OF SMOKE IN THE COCKPIT & THEN THE LT OIL PRESS CB POPPED. AFTER THE CB POPPED THE SMOKE DISSIPATED. RETURNED & LANDED WITHOUT INCIDENT. TROUBLE SHOT THE LT OIL PRESS SYS & FOUND THE INDICATOR HAD SHORTED INTERNAL
- [SDR CA150122002](https://openairdocs.org/sdr/CA150122002.md): Probe · failed · Jan 15, 2015 · Dhav DHC6300 · Fire Detection
  > (CAN) FIRE INDICATION ON LEFT ENGINE IN FLIGHT. FLIGHT CREW DID FIRE PROCEDURES. AIRCRAFT LAND WITH NO INCIDENT. AFTER INSPECTIONS, FOUND 300 DEGREE TEMPERATURE PROBE AT FAULT.
- [SDR CA141224006](https://openairdocs.org/sdr/CA141224006.md): Cable · worn · Dec 14, 2014 · Dhav DHC6300 · Autopilot System
  > (CAN) DURING THE FIVE YEAR SCHEDULED FLIGHT CONTROL CABLE CHANGE, THE ELEVATOR CABLE IN THE FORWARD NOSE WAS FOUND TO BE INTERFERING ON THE STEC AUTOPILOT PULLEY CLUSTER. IT WAS HELD IN THIS INCORRECT POSITION BY A SCREW ON THE PULLEY GUARD CLUSTER. THE ELEVAT
- [SDR CA141217004](https://openairdocs.org/sdr/CA141217004.md): Engine · malfunctioned · Dec 1, 2014 · Engine (Turbine/Turboprop)
  > (CAN) DURING FINAL APPROACH, THE PILOT RETARDED POWER LEVER (PL) AND NOTICED LEFT HAND ENGINE POWER SUSPENDING AT NP 1900, TQ 750, NG 84%. RIGHT HAND ENGINE HAD NORMAL DECELERATION. BOTH THE FUEL CONTROL LEVERS AT HIGH IDLE. THE PILOT THEN FORWARDED PL AND BOT
- [SDR CA150422003](https://openairdocs.org/sdr/CA150422003.md): Leg Assy · corroded · Nov 28, 2014 · Dhav DHC6200 · Nose/Tail Landing Gear Strut/Axle
  > (CAN) MAIN LANDING GEAR NDT`D BY AUTHORIZED FACILITY PER 5 YEAR INSPECTION REQUIREMENT. PITTING, CORROSION & BOLT FLANGE HOLES OUT OF LIMITS FOUND DURING INTERNAL INSPECTION. GEAR LEG BEYOND ECONOMICAL REPAIR. NEW GEAR LEG PURCHASED & INSTALLED.
- [SDR CA141201002](https://openairdocs.org/sdr/CA141201002.md): Adapter · cracked · Nov 25, 2014 · Dhav DHC6* · Vertical Stabilizer
  > (CAN) WHILE COMPLETING SB 6/454, THE RT REAR STABILIZER ATTACHMENT ADAPTER FOUND CRACKED.(P/N C6FSM 1820-33). THE ATTACHMENT ADAPTOR WAS REPLACED WITH NO ADDITIONAL DEFECTS NOTED.
- [SDR GCNA20141030001](https://openairdocs.org/sdr/GCNA20141030001.md): Engine · shutdown · Oct 29, 2014 · N173GC · Dhav DHC6300 · Propeller Controlling System
  > PILOT TOOKOFF, THEN REPORTED THAT AT 400 FEET AGL AFTER TAKEOFF, CREW HEARD WEIRD NOISES AND FELT PITCH CHANGES. RIGHT TORQUE INDICATED HIGH, WITH RT PROP RPM FLUCTUATING. RIGHT ENGINE WAS SHUTDOWN AND CREW RETURNED TO DEPARTURE WITH NO FURTHER INCIDENT.

Next page: https://openairdocs.org/engine/u-a-canada-pt6a-27/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 = 'PT6A27'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/u-a-canada-pt6a-27/reports

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