# Service difficulty reports: Boeing DHC-8-301

A list on [Boeing DHC-8-301](https://openairdocs.org/model/boeing-dhc-8-301.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 12 · 571 reports

- [SDR CA190807013](https://openairdocs.org/sdr/CA190807013.md): Proximity Sensor · failed · Aug 2, 2019 · Dhav DHC8301 · Landing Gear Position and Warning
  > (CAN) UPON GEAR DOWN SELECTION CREW REPORTED THREE GREEN DOWN AND LOCKED INDICATED. AT 500FT THE NOSE GEAR DOORS STARTED TO CYCLE AND CREW SAW THE RED UNSAFE LIGHT CYCLE AS WELL. CREW COULD HEAR THE DOORS/GEAR CYCLE. THEY DID A GO AROUND AND SUCCESSFULLY PREFO
- [SDR CA200228004](https://openairdocs.org/sdr/CA200228004.md): Pump · malfunctioned · Aug 1, 2019 · Dhav DHC8301 · Propeller Controlling System
  > (CAN) AUG 2019 ESN AW0212 (FEP ENGINE), TSN: 354.2 CSN: 456 CYCLES DURING APPROACH TO LANDING, AFTER SELECTING THE CONDITION LEVERS TO MAX AND ADVANCING POWER, THE #2 PROPELLER RPM WAS OVER NORMAL GOVERNING SPEED AT 1250-1280 RPM. PER QUICK REFERENCE HANDBOO
- [SDR CA190730018](https://openairdocs.org/sdr/CA190730018.md): Power Supply · burned · Jul 27, 2019 · Dhav DHC8301 · Emergency Lighting
  > (CAN) FLIGHT CREW REPORTED ELECTRICAL BURNING SMELL IN CABIN ROW 1-4. MAINTENANCE FOUND POWER SUPPLY CIRCUIT BOARD 3352-P2 BURNT. POWER SUPPLY AND EMERGENCY LIGHT BATTERY PACK REPLACED. AIRCRAFT RETURNED TO SERVICE. BATTERY PACK PN 61-0478-11, SN AAL0039, POWE
- [SDR CA190717005](https://openairdocs.org/sdr/CA190717005.md): Selector Valve · failed · Jul 12, 2019 · Dhav DHC8301 · Landing Gear Retraction/Extension System
  > (CAN) ON APPROACH THE CREW RECEIVED 3 UNSAFE INDICATIONS WHEN GEAR SELECTED DOWN. A SUCCESSFUL ALTERNATE EXTENSION WAS CARRIED OUT AND THE FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE DISCOVERED THE R/H HYDRAULIC SELECTOR VALVE FAULTY
- [SDR CA190628017](https://openairdocs.org/sdr/CA190628017.md): Wire · damaged · Jun 28, 2019 · Dhav DHC8301 · Electrical Power System Wiring
  > (CAN) #2 AC GENERATOR HOT LIGHT ON AT ENGINE START-UP. LIGHT STAYS ON WHEN GENERATOR SELECTED OFF. MULTIPLE DAMAGED WIRES FOUND ON HARNESS PN 82455003-005 NEAR CONNECTOR 2421-P2. HARNESS REPLACED. AC HOURS: 65750, AC CYCLES: 78979. (TC# 20190628017)
- [SDR CA190614017](https://openairdocs.org/sdr/CA190614017.md): Terminal Block · failed · Jun 13, 2019 · Dhav DHC8301 · Fuel System Wiring
  > (CAN) DURING CLIMB THE CREW REPORTED THAT THE #1 AUX PUMP LIGHT WAS INOPERATIVE, AND #1 AUX FUEL PUMP WOULD NOT TRANSFER FUEL. THE WEATHER AT THE DESTINATION WAS AT APPROACH LIMITS. THE CREW ELECTED TO RETURN TO A MAINTENANCE BASE. NO EMERGENCY WAS DECLARED, A
- [SDR CA190509013](https://openairdocs.org/sdr/CA190509013.md): Brake Assy · seized · May 8, 2019 · Dhav DHC8301 · Landing Gear Brake System
  > (CAN) DURING TAXI OUT, IT WAS REPORTED THAT SMOKE AND FLAMES WERE VISIBLE IN THE LEFT MAIN LANDING GEAR BRAKE AREA. THE CREW CONDUCTED AN EMERGENCY EVACUATION AND FIRE RESCUE ATTENDED TO THE GEAR. NO INJURIES WERE REPORTED, AND PASSENGERS WERE BUSED BACK TO TH
- [SDR CA190425009](https://openairdocs.org/sdr/CA190425009.md): Line · leaking · Apr 23, 2019 · Dhav DHC8301 · Hydraulic System, Main
  > (CAN) AFTER TAKE-OFF, UPON SELECTION OF GEAR UP THE FLIGHT CREW OBSERVED THAT THE #2 HYDRAULIC QUANTITY WENT TO ZERO ACCOMPANIED WITH ASSOCIATED CAUTION/WARNING LIGHTS. AN EMERGENCY WAS DECLARED, AND THE AIRCRAFT RETURNED TO THE DEPARTURE AIRPORT LANDING WITHO
- [SDR CA190415012](https://openairdocs.org/sdr/CA190415012.md): Ahrs · failed · Apr 14, 2019 · Dhav DHC8301 · Attitude and Direction Data System
  > (CAN) PILOT REPORT THAT THE #2 EHSI AND EADI FAILED ON CLIMBOUT. MAINTENANCE ACTION: #2 AHRS REPLACED AND TESTED IAW AMM 34-20-00. AIRCRAFT HOURS: 66071:48. CYCLES: 81263. (TC# 20190415012)
- [SDR CA190410013](https://openairdocs.org/sdr/CA190410013.md): Torque Sensor · failed · Apr 9, 2019 · Dhav DHC8301 · Propeller Feathering/Reversing
  > (CAN) #2 PROP COMMANDED FEATHER AT TAKE OFF POWER ON TAKE OFF ROLL. TAKE OFF REJECTED AT 70KTS. CREW REPORTED THAT THE PROP UNFEATHERED ON ITS OWN AND THEY COULD NOT CONFIRM WHAT THE TORQUE GAUGE WENT TO BUT THEY DID SEE 100%. NO ASSOCIATED CAUTIONS. AUTO FEAT
- [SDR CA190408018](https://openairdocs.org/sdr/CA190408018.md): Cdu · defective · Apr 7, 2019 · Dhav DHC8301 · Flight Management Computing Hardware System
  > (CAN) ON APPROACH INTO DESTINATION THE AIRPORT, DURING IMC CONDITIONS, THE CREW HAD A POSITION UNCERTAIN STATUS MESSAGE ON BOTH FMS UNITS, THEY CONDUCTED A MISSED APPROACH AND RETURN TO THE DEPARTURE AIRPORT. THE FLIGHT LANDED SAFELY WITHOUT ANY FURTHER INCIDE
- [SDR CA190313001](https://openairdocs.org/sdr/CA190313001.md): Fuel Filter · bypassing · Mar 12, 2019 · Dhav DHC8301 · Engine Fuel Distribution
  > (CAN) IN FLIGHT, THE FLIGHT CREW RECEIVED #2 FUEL FILTER BYPASS WARNING LIGHT. THIS RESULTED IN AN AIRBORNE RETURN TO ORIGINATING POINT. REPLACED THE #2 ENGINE FUEL FILTER IAW AMM 73-10-00-02 & TIB DH8-73-06. AIR/LEAK & VISUAL CHECK OF FILTER INSTALLATION COM
- [SDR CA190312011](https://openairdocs.org/sdr/CA190312011.md): Pseu · faulty · Mar 11, 2019 · Dhav DHC8301 · Landing Gear Position and Warning
  > (CAN) THE CREW ADVISED DISPATCH AFTER DEPARTURE THAT LANDING GEAR DID NOT RETRACT, THEY FELT GEAR COME UP AND GO BACK DOWN, HAD ALL 3 RED GEAR UNSAFE LIGHTS. THEY SELECTED GEAR DOWN AND THE GEAR WAS DOWN AND LOCKED WITH 3 GREEN LIGHTS. AFTER ENSURING THEY HAVE
- [SDR CA190311029](https://openairdocs.org/sdr/CA190311029.md): Controller · defective · Mar 10, 2019 · Dhav DHC8301 · Cabin Pressure Controller
  > (CAN) ON THE GROUND, WHEN BLEEDS SELECTED ON, THE AIRCRAFT BEGINS TO PRESSURIZED AT MINUS 2000 FPM, THE SAME OCCURS WHEN PRESSURIZATION SELECTED TO DUMP. THE AIRCRAFT WAS BROUGHT INTO THE HANGER FOR FURTHER TROUBLESHOOTING. MTC REPLACED THE CABIN AIR CONTROLLE
- [SDR CA190304011](https://openairdocs.org/sdr/CA190304011.md): Outflow Valve · defective · Feb 28, 2019 · Dhav DHC8301 · Pressure Regulator/Outflow Valve
  > (CAN) DURING CRUISE, THE AIRCRAFT SUFFER UNCOMMAND LOST OF PRESSURIZATION, THE CREW DESCENDED BUT REMAINED AT FL140 FOR AN ESTIMATED 15 MINUTES DUE TO TERRAIN. THE FLIGHT DECLARED PAN PAN, RETURNS TO THE DEPARTURE AIRPORT AND LANDED SAFELY. THE AIRCRAFT WAS TA
- [SDR CA190304010](https://openairdocs.org/sdr/CA190304010.md): Outflow Valve · defective · Feb 28, 2019 · Dhav DHC8301 · Pressure Regulator/Outflow Valve
  > (CAN) DURING CRUISE, THE AIRCRAFT SUFFER UNCOMMAND LOST OF PRESSURIZATION, THE CREW DESCENDED BUT REMAINED AT FL140 FOR AN ESTIMATED 15 MINUTES DUE TO TERRAIN. THE FLIGHT DECLARED PAN PAN, RETURNS TO THE DEPARTURE AIRPORT AND LANDED SAFELY. THE AIRCRAFT WAS TA
- [SDR CA190227012](https://openairdocs.org/sdr/CA190227012.md): Signal Cond Unit · failed · Feb 23, 2019 · Dhav DHC8301 · Propeller Feathering/Reversing
  > (CAN) 2961 HRS SINCE REPAIR DURING T/O ROLL AS THE LH ENGINE TORQUE WAS RISING TO APPROX 70% THE TORQUE SURGED TO OVER 100% AND PROP RPM DROPPED TO APPOX 600-800 RPM. CAPT SAID IT SOUNDED LIKE THE PROP WAS PARTIALLY FEATHERING.TAKE OFF WAS REJECTED AT OR BELOW
- [SDR CA190218006](https://openairdocs.org/sdr/CA190218006.md): Fcu · failed · Feb 17, 2019 · Dhav DHC8301 · Fuel Control/Turbine Engines
  > (CAN) NO1 ENG ON FINAL AT 20 TQ, RPM DROPPED, ABLE TO GET 1030 RPM WITH COND LEVER AT MAX, OTHER REMAINED AT 1050 GROUND RUNS CARRIED OUT#1 PWR LEVER DOES NOT INCREASE WITH PLA INCREASE. #1 ENGINE LAGS IN PWR. #1 ENGINE IS AT 786 RPM WHEN IT SHOULD BE AT 90
- [SDR CA180618003](https://openairdocs.org/sdr/CA180618003.md): Indicator · malfunctioned · Jun 17, 2018 · Dhav DHC8301 · Airspeed/Mach Indicator
  > (CAN) AT FL200, DURING CRUISE IN ICING CONDITIONS, THE CAPTAIN`S ASI DROPPED FROM 190 KIAS TO 120 KIAS. MAINTENANCE ACTION INITIALLY HAD THE SYSTEM PURGED WITH NO MOISTURE FOUND. THEN THE CAPTAIN`S ASI WAS REPLACED, IAW AMM 34-11-33. A LEAK CHECK WAS CARRIE
- [SDR CA180423017](https://openairdocs.org/sdr/CA180423017.md): Bracket · cracked · Apr 21, 2018 · Dhav DHC8301 · Nacelle/Pylon Miscellaneous Structure
  > (CAN) IN CLIMB UPON GEAR RETRACTION, FLIGHT CREW RECEIVED A LEFT GEAR UNSAFE RED WARNING LIGHT AND A LT DOOR AMBER CAUTION LIGHT. FLIGHT RETURNED AND LANDED WITHOUT FURTHER INCIDENT AFTER PERFORMING AN ALTERNATE GEAR EXTENSION. FLIGHT CREW VISUAL INSPECTION
- [SDR CA160307004](https://openairdocs.org/sdr/CA160307004.md): Housing · cracked · Mar 5, 2016 · Dhav DHC8301 · Cabin Cooling System
  > (CAN) WHILE REPLACING THE ACM FOR AN UNRELATED ISSUE, IT WAS FOUND TO HAVE A CRACK INTERNALLY IN THE HOUSING CAUSING AN OIL LEAK WITH SMOKE IN THE CABIN.
- [SDR CA160301020](https://openairdocs.org/sdr/CA160301020.md): Windshield · burned · Feb 26, 2016 · Dhav DHC8301 · Flight Compartment Windows
  > (CAN) ON APPROACH THE CREW EXPERIENCED ARCING AND SMOKE FROM THE FO WINDSHIELD AT THE LOCATION OF THE TERMINAL LUGS. THERE WERE NO ASSOCIATED CAUTION LIGHTS. MAINTENANCE FOUND EVIDENCE OF ARCING AT THE TERMINAL LUG LOCATION. ALL TERMINALS WERE FOUND TIGHT AND
- [SDR CA160301010](https://openairdocs.org/sdr/CA160301010.md): Oil System · leaking · Feb 19, 2016 · Dhav DHC8301 · Turbine Engine Oil System
  > (CAN) AFTER START BLEED AIR WAS SELECTED ON AND THERE WAS A MILD ODOR OF OIL THROUGHOUT THE ENTIRE AIRCRAFT. THE OIL ODOR INTENSIFIED AFTER 30-40 SECONDS. BLEED AIR WAS THEN SELECTED OFF AND MISSION CANCELLED. BORESCOPE INSPECTION CARRIED OUT ON BOTH ENGINES.
- [SDR CA160216009](https://openairdocs.org/sdr/CA160216009.md): Bleed Air Sys · malfunctioned · Feb 10, 2016 · Dhav DHC8301 · Compressor Bleed Control
  > (CAN) LIGHT BLUE SMOKE REPORTED IN COCKPIT AFTER ENGINE START. BOTH NR 1 & NR 2 ENGINE BLEEDS SWITCHED WERE ON WITH RECIRCULATION FAN ON. ENGINES WERE SUBSEQUENTLY SHUTDOWN AND A REPORT OF MILD OIL SMELL REPORTED BY THE CREW. NO MEDICAL ACTION WAS REQUIRED
- [SDR CA160120015](https://openairdocs.org/sdr/CA160120015.md): Housing · cracked · Jan 20, 2016 · Dhav DHC8301 · Cabin Cooling System
  > (CAN) BOTH ENGINES HAD BEEN STARTED AND AND AT LEAST THE NR 2 BLEED HAS BEEN SELECTED, THEY WERE JUST ABOUT TO CALL FOR THE GROUND POWER TO BE DISCONNECTED WHEN THE THE FA CALLED THE COCKPIT ABOUT VISIBLE SMOKE IN THE CABIN. CREW CONFIRM THE ENTIRE CABIN WAS F
- [SDR CA160121021](https://openairdocs.org/sdr/CA160121021.md): Wire Harness · burned · Jan 9, 2016 · Dhav DHC8301 · Hydraulic Power System Wiring
  > (CAN) NR 2 RUDDER ISOLATION CAUTION LIGHT CAME ON, WITH NO OTHER ASSOCIATED CAUTION LIGHTS. 1. FOUND CONNECTOR 2921-P12 TO NR 2 HYDRAULIC RESERVOR LEVEL SWITCH SHORTING INTERNALLY. 2. CONNECTOR 2921-P12 REPLACED AS PER WMM 29-25-01. POWER CHECK DONE AT 292
- [SDR CA160119018](https://openairdocs.org/sdr/CA160119018.md): Autofeather Sys · malfunctioned · Dec 30, 2015 · Dhav DHC8301 · Propeller Feathering/Reversing
  > (CAN) THERE WAS AN ABORTED TAKEOFF DUE TO A NR 1 ENGINE AUTO-FEATHER FAILED TO ARM. THE HIGH PRESSURE COMPRESSOR SPEED DROPPED BUT THE PROPELLER DID NOT FEATHER. DURING TROUBLESHOOTING, THE AUTO-FEATHER DID NOT ARM. THE NR 1 ENGINE TORQUE SIGNAL CONDITIONER UN
- [SDR CA151229007](https://openairdocs.org/sdr/CA151229007.md): Autofeather Sys · malfunctioned · Dec 21, 2015 · Dhav DHC8301 · Propeller Feathering/Reversing
  > (CAN) THE FLIGHT CREW HAVE REPORTED 3 EVENTS OVER THREE WEEKS OF AUTO-FEATHER (AF) FAIL TO ARM INDICATIONS DURING TAKE-OFF AND HAVE REJECTED THE TAKE-OFFS AS A RESULT. AIRCRAFT OPERATED ON MINIMUM EQUIPMENT LIST (MEL) WITH RESTRICTIONS TO ALLOW RETURN TO MAIN
- [SDR CA151208011](https://openairdocs.org/sdr/CA151208011.md): Selector Valve · failed · Dec 5, 2015 · Dhav DHC8301 · Landing Gear Selector
  > (CAN) ON LANDING GEAR EXTENSION, CREW GOT 3 RED UNSAFE, UNABLE TO TELL IF GEAR DOWN, RETURNED TO AIRPORT FOR SUCCESSFUL ALTERNATE GEAR SELECTION, PREVIOUS RETRACTION WAS NORMAL, HYD PX NORMAL, ALL DOORS NORMAL FOUND GEAR SELECTER VALVE U/S REPLACED I.A.
- [SDR CA151118007](https://openairdocs.org/sdr/CA151118007.md): Terminal · burned · Nov 15, 2015 · Dhav DHC8301 · Windshield/Door Rain/Ice Removal
  > (CAN) SPARKS OBSERVED FROM RIGHT WINDSHIELD DURING CLIMB AND DISSIPATED ONCE SELECTED OFF. EXCESSIVE HEAT NOTED AT TERMINAL ON WINDOW, MASKING TAPE TO IDENTIFY WIRES LEFT ON AFTER LAST WINDOW INSTALL WAS BURNT CAUSING FLAME OBSERVED BY FLIGHT CREW WIRES BURNT
- [SDR CA151022004](https://openairdocs.org/sdr/CA151022004.md): Relay · failed · Oct 19, 2015 · Dhav DHC8301 · DC Generating System
  > (CAN) NR 2 DC GEN HAD BEEN PLACED ON MEL JUST PRIOR TO DEPARTURE. INBOUND TO AIRPORT CREW LOST MANY F/O INSTRUMENTS: ADI, HSI, ALTIMITER STARTED GOING WAY UP AND DOWN, F/D FAILURES. CREW SUSPECTED THAT THEY WERE ON BATTERY POWER. BATTERY TEMP INDICATOR SHOWS B
- [SDR CA151022006](https://openairdocs.org/sdr/CA151022006.md): Actuator · failed · Oct 17, 2015 · Dhav DHC8301 · Landing Gear Door Actuator
  > (CAN) ON FINAL WHEN GEAR WAS SELECTED DOWN A/C LOST NO2 HYD FLUID AND ISO VALVE LIGHT CAME ON. MAINTENANCE FOUND THE LEAK WAS SOURCE WAS A CRACK IN THE RT GEAR AFT AND CENTER DOOR ACTUATOR HOUSING. REMOVED AND REPLACED DOOR ACTUATOR WITH NEW IAW AMM 32-10-36 A
- [SDR CA151015013](https://openairdocs.org/sdr/CA151015013.md): Engine · smoke · Oct 8, 2015 · Dhav DHC8301 · Engine (Turbine/Turboprop)
  > (CAN) AFTER DEPARTING AIRPORT, PILOT NOTICED SMOKE IN THE CABIN. PILOT ELECTED TO SHUT DOWN ONE ENGINE AND RETURN AIRCRAFT BACK TO DEPARTURE AIRPORT WHERE IT LANDED WITHOUT INCIDENT.
- [SDR CA150921008](https://openairdocs.org/sdr/CA150921008.md): Pulley · seized · Sep 17, 2015 · Dhav DHC8301 · Elevator Tab Control System
  > (CAN) ELEVATOR TRIM WHEEL IS EXTREMELY STIFF TO OPERATE MAINTENANCE FOUND 2 PULLEYS IN AFT SECTION AT STA X773.00 TO BE SEIZED. PULLEYS REPLACED, CABLE TENSIONS ADJUSTED IAW AMM 27-00-00. FUNCTION CHECKED SERVICEABLE AND SMOOTH OPERATION VERIFIED.
- [SDR CA150828005](https://openairdocs.org/sdr/CA150828005.md): Engine · failed · Aug 17, 2015 · Dhav DHC8301 · Engine (Turbine/Turboprop)
  > (CAN) CREW REPORTED "LEFT HAND ENGINE FAILED ON TAKE OFF" FOLLOWED BY UP-TRIM ON RIGHT HAND ENGINE AND LEFT HAND ENGINE FEATHERED, LH ENGINE TSCU WAS REPLACED AND WILL BE SENT TO P&WC FOR TESTING. AIRCRAFT RETURN TO SERVICE
- [SDR CA150804003](https://openairdocs.org/sdr/CA150804003.md): Selector Valve · faulty · Aug 4, 2015 · Dhav DHC8301 · Landing Gear Selector
  > (CAN) ON GEAR SELECTION, GEAR DOORS DID NOT OPEN. GEAR UNLOCKED BUT DID NOT COME DOWN. MAINTENANCE REPLACED THE LANDING GEAR SELECTOR VALVE AS PER AMM 32-30-41. GEAR SWINGS COMPLETED AND OPERATIONAL CHECKED SERVICEBLE.
- [SDR CA150727010](https://openairdocs.org/sdr/CA150727010.md): Blade · fractured · Jul 17, 2015 · Dhav DHC8301 · Turbine Section
  > (CAN) PILOT REPORTED VIBRATION IN FLIGHT WITH STRANGE RATTLING SOUND AND VIBRATION IN CONDITION LEVER ON NR 2 ENGINE. AFTER AND ADDITIONAL GROUND RUNS AND INVESTIGATION, ONE PT BLADE WAS FOUND FRACTURED.
- [SDR CA150708006](https://openairdocs.org/sdr/CA150708006.md): Precooler · cracked · Jul 7, 2015 · Dhav DHC8301 · Engine (Turbine/Turboprop)
  > (CAN) ENGINE TEMPS FOUND 90 DEGREES HOTTER ON ONE SIDE THAN THE OTHER UPON INVESTIGATION, THE PRE- COOLER ON THAT SIDE WAS FOUND CRACKED AND WITH PIECES MISSING. CRACKS FOUND ON WELDS AND LOOKS LIKE GENERAL FATIGUE, AS A SIDE NOTE THE LAST REPAIR DONE ON THIS
- [SDR CA150629005](https://openairdocs.org/sdr/CA150629005.md): Oil System · unknown · Jun 20, 2015 · Dhav DHC8301 · Turbine Engine Oil System
  > (CAN) A CONTINUOUS SMELL OF OIL OCCURRED AFTER SETTING CLIMB POWER UPON TAKEOFF & CONTINUED FOR APPROX 2 - 3 MINUTES. SMELL WAS CONFIRMED BY ALL 4 CREW MEMBERS. CREW PUT ON OXYGEN MASKS & THE RAM VENTILATION, BLEEDS OFF. CHECKLIST WAS RUN. SHORTLY THEREAFT
- [SDR CA150617012](https://openairdocs.org/sdr/CA150617012.md): Wire Harness · damaged · Jun 16, 2015 · Dhav DHC8301 · Light System Wiring
  > (CAN) DURING AVIONICS SHOP REPAIRS, QTY 3 OF THESE DASH 8-300 ACFT EMER LIGHT CONTROL BOXES, ALL HAD THE SAME FAULT FINDINGS. THE DIODES INSIDE WERE EXCESSIVELY HOT & CAUSED PC BOARD OVERHEAT DAMAGE RESULTING IN THE SOLDERS TO CRACK. PLEASE SEE PICTURES ATTA
- [SDR CA150615014](https://openairdocs.org/sdr/CA150615014.md): Fuel Control · leaking · Jun 11, 2015 · Dhav DHC8301 · Fuel Control/Turbine Engines
  > (CAN) FROM ROTATION THE CREW NOTICED FUEL LEAK FROM RT NACA VENT FOR 18 MIN, STOPPED JUST BEFORE LANDING. WHEN CREW NOTICED THAT WHEN SELECT OFF, THE AUX PUMPS AFTER 1000FT, THE RT AUX PUMP LIGHT REMAINED ON. FUEL LOSS WAS ABOUT 30LBS PER MIN. REPLACED THE
- [SDR CA150612008](https://openairdocs.org/sdr/CA150612008.md): Ahrs · failed · Jun 8, 2015 · Dhav DHC8301 · Integrated Flight System
  > (CAN) PITCH ROLL MISMATCH, NO FD NO YD. NR 2 AHRS FAILED SHORTLY AFTER TAKEOFF. CREW ELECTED TO RETURN TO THE DEPARTED AIRPORT. NR 2 AHRS COMPUTER REPLACED, OPERATION & FUNCTION CHECKS C/W ON GND & SYSTEM CHECKS SERVICEABLE. ACFT RETURNED TO SERVICE.
- [SDR CA150603008](https://openairdocs.org/sdr/CA150603008.md): Housing · damaged · Jun 1, 2015 · Dhav DHC8301 · Air Distribution System
  > (CAN) CABIN DUCT HOT CAUTION LIGHT ILLUMINATED WHILE CLIMBING THROUGH 11,000 FT. CREW COULD NOT COOL DUCT IN AUTO OR MANUAL MODE, SO FOLLOWED QRH AND SELECTED PACK OFF. DUCT TEMP CAME DOWN GRADUALLY. ACM MAINTENANCE ACTIONS: RECIRC DIVERTER DUCT HOUSING REPL
- [SDR CA150511002](https://openairdocs.org/sdr/CA150511002.md): Unknown · malfunctioned · Apr 15, 2015 · Dhav DHC8301 · Engine (Turbine/Turboprop)
  > (CAN) AIRCRAFT AN AUTO FEATHER EVENT UPON TAKEOFF. EVENT RESULTING IN 120%+ TORQUE READING. PROCEEDED TO SHUT DOWN THE ENG. ACFT LANDED UNEVENTFULLY. FDR DATA IS BEING SENT FOR CONVERSION.
- [SDR CA150415009](https://openairdocs.org/sdr/CA150415009.md): Feeder Cable · burned · Apr 11, 2015 · Dhav DHC8301 · Engine Starting System Wiring
  > (CAN) PILOT DEFECT NR 1 ITT WORKED FINE IN THE START UP WITH ALL INDICATIONS BUT WHEN AIRBORNE AND CLIMBING TO 17,000 FT HAVE DIGITAL READING ONLY WITH AMBER ITT OVERHEAT LIGHT ILLUMINATED. DIGITAL ITT READS 632, THE ANALOG READS 0. WHEN THE PWR WAS ADVANCED
- [SDR CA150410019](https://openairdocs.org/sdr/CA150410019.md): Indicator · false indication · Apr 9, 2015 · Dhav DHC8301 · Engine BMEP/Torque Indicating
  > (CAN) NR 1 ENGINE TORQUE INDICATION BOTH ANALOGUE AND DIGITAL WENT TO TO ZERO AND NR 1 ECU WENT TO MANUAL MODE IN CLIMB. THE ANALOGUE TORQUE INDICATION WENT TO ZERO AND THE DIGITAL PORTION WENT TO DASHES. CLIMB POWER WAS SET TQ WAS 90 PERCENT BEFORE GUAGE WEN
- [SDR CA150406003](https://openairdocs.org/sdr/CA150406003.md): Bushing · migrated · Apr 6, 2015 · Dhav DHC8301 · Trailing Edge Flap Actuator
  > (CAN) DURING LT, INBD FLAP REMOVAL, FOUND THE INBD ACTUATOR SCREW BUSHING MIGRATED OUT OF ACTUATOR.
- [SDR CA150408023](https://openairdocs.org/sdr/CA150408023.md): Engine · power loss · Apr 2, 2015 · Dhav DHC8301 · Engine (Turbine/Turboprop)
  > (CAN) DURING APPROACH, AT 3000 FT, THE NR 1 ENGINE MANUAL LIGHT ILLUMINATED. A SUDDEN DROP OF THE NR 1 ENGINE PARAMETERS WERE OBSERVED. IT THEN WENT INTO THE AUTO-FEATHER MODE AND THE NR 2 ENGINE EXPERIENCED AN AUTOTRIM UP. FLIGHT CREW THEN ELECTED TO SHUTDO
- [SDR CA150306004](https://openairdocs.org/sdr/CA150306004.md): Oil System · faulty · Feb 23, 2015 · Dhav DHC8301 · Turbine Engine Oil System
  > (CAN) BEFORE FLIGHT THE CUSTOMER REPORTED THAT OIL SMOKE OCCURRED AFTER RIGHT HAND ENGINE START. SMOKE DETECTOR IN LAVATORY WAS ACTIVATED & THE REVENUE FLIGHT WAS CANCELLED AS A RESULT OF THE SMOKE. GROUND RUN WAS PERFORMED & THE SYMPTOMS WERE DUPLICATED. T
- [SDR CA150220007](https://openairdocs.org/sdr/CA150220007.md): Wire · melted · Feb 17, 2015 · Dhav DHC8301 · Electrical Power System Wiring
  > (CAN) DURING CRUISE, AN A/C EXPERIENCED A DUAL LOST OF AC GENERATOR POWER AFTER 25 MINUTES OF FLIGHT. THE AIRCRAFT DECLARED AN EMERGENCY AND RETURNED TO THE AIRPORT OF DEPARTURE SAFELY. THE INVESTIGATION DISCOVERED DAMAGED WIRES IN THE AC VARIABLE FREQUENCY WI

Next page: https://openairdocs.org/model/boeing-dhc-8-301/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 aircraft_model_key = 'DHC8301'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-dhc-8-301/reports

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