Dehavilland DHC-2

Service difficulty reports · 120

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "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 = 'DHC2'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2004F00438Track · crackedDURING A SCHEDULED INSPECTION, FOUND THE AIR DATA COMPUTER (ADC) BROKE LOOSE FROM ITS MOUNT. UPON FURTHER INVESTIGATION FOUND THE MOUNTING BRACKET FLANGE CRACKED COMPLETELY OFF THE AIRFRAME STRUCTURE IT WAS RIVETED TO. AFTER REMOVAL OF THE BRACKET, AND FURTHERDec 21, 2004 · N37756 · Dhav DHC2* · Fuselage Miscellaneous StructureSDR 2004FA0000925Adc · malfunctionedDURING GROUND FUNTIONAL TEST OF THE INITIAL INSTALLATION OF AIR DATA COMPUTER (ADC) INSTALLED AS PART OF THE CHELTON FLIGHT SYSTEMS EFIS-SV SYSTEM UNDER STC SA02203AK, ENCOUNTERED 100FT ALTITUDE DRIFT WITHIN 5 MINUTES AFTER BAROMETRIC PRESSURE HAD BEEN SET.Dec 21, 2004 · N47AK · Dhav DHC2* · Air Data ComputerSDR 2004F00434Display · inoperativeATTEMPTED TO INSTALL 5.0 SOFTWARE, SCREEN WENT BLANK HALFWAY THROUGH UPGRADE.Dec 21, 2004 · N47AK · Dhav DHC2* · Flight Management Computing Software SystemSDR 2004F00433Display · malfunctionedDISPLAY HAS AN INTERMITTENT LINE ACROSS MIDDLE OF SCREEN.Dec 21, 2004 · N47AK · Dhav DHC2* · Flight Management Computing Hardware SystemSDR CA041116003Crankshaft · failed(CAN) CRANKSHAFT FAILED AT THE MALE SPLINE NEAR THE NECKED DOWN AREA NEXT TO THE BUTT FACE IN THE FRONT CRANKSHAFT (P/N 261279). CRANKSHAFT IS BEING HELD FOR POSSIBLE FURTHER INVESTIGATION.Nov 16, 2004 · Dhav DHC2* · Reciprocating Engine Power SectionSDR CA040927009Attach Bracket · cracked(CAN) CRACK LOCATED ON THE REAR FACE OF THE LT STAB ATTACH BRACKET, THE CRACK PARALLELS THE OB ATTACH FLANGE (ANCHOR NUT ATTACH SIDE) FOR 1.3750. THE CRACK HAD STARTED AT THE TOP OF THE STAB ATTACH BRACKET AND HAD WORKED ITS WAY DOWN. THE CRACK ON THE BRACKET Sep 17, 2004 · Dhav DHC2* · Horizontal Stabilizer StructureSDR 2005FA0000069Transducer · malfunctionedREMOVED FUEL FLOW TRANSDUCER (PN 660526AS) INSTALLED UNDER STC NR SA809GL. UNIT PROVIDING ERRONEOUS FUEL FLOW READINGS AND CAUSING THE AIR DATA COMPUTER (ADC) ALSO INSTALLED IN THE AIRCRAFT TO FUNCTION IMPROPERLY. AIR DATA COMPUTER INSTALLED UNDER IAW STC NRSep 13, 2004 · N1018A · Dhav DHC2* · Fuel Controlling SystemSDR CA040928005Impeller · failed(CAN) DURING CLIMB THE ENGINE LOST POWER AND HAD MAJOR OIL LEAKAGE. THE AIRCRAFT LANDED WITHOUT INCIDENT AND WAS RETURNED TO DOCK. INSPECTION FOUND THAT THE IMPELLER ASSY HAD FAILED RESULTING IN ENGINE POWER LOSS AND OIL LEAKAGE. ENGINE REMOVED AND IS TO BE SESep 8, 2004 · Dhav DHC2* · Reciprocating Engine Power SectionSDR CA040913005Cylinder Head · separatedCYLINDER HEAD CRACKED 360 DEGREES WHILE AIRCRAFT WAS IN CRUISE FLIGHT. AIRCRAFT WAS ABLE TO MAKE IT BACK TO BASE. CYLINDER WAS CHANGED BY KOBY'S AIRCRAFT. IT WAS THEN GROUND RUN AND FOUND TO BE SERVICEABLE AND RETURNED TO SERVICE.Sep 1, 2004 · Dhav DHC2* · Reciprocating Engine Cylinder SectionSDR CA040928003Seal · leaking(CAN) DURING INSPECTION, OIL WAS FOUND DRIPPING FROM THE MAG DRIVE ON LT MAG. MAG DRIVE SEAL FOUND TO BE LEAKING. REPLACED SEAL. ENGINE GROUND RUN SATISFACTORY.Aug 26, 2004 · Dhav DHC2* · Magneto/DistributorSDR CA040915009Gusset · cracked(CAN) LT TOP ELEVATOR TIP GUSSET (LOCATED BETWEEN ELEVATOR TIP SKIN AND ELEVATOR SPAR) WAS FOUND CRACKED DURING INSPECTION. NOTE: THE PROPELLER WAS REMOVED AND OVERHAULED, AFTER 30.0 HRS SMOH,THE PROPELLER WAS REMOVED FOR REBALANCING DUE TO VIBRATION ISSUES.Aug 26, 2004 · Dhav DHC2* · Elevator, Spar/RibSDR CA040830012Piston · cracked(CAN) WHEN CARRYING OUT COMPRESSION TEST #3 CYLINDER WAS FOUND TO HAVE LOW COMPRESSION. #3 CYLINDER WAS REMOVED AND PISTON WAS FOUND CRACKED. SERVICEABLE PISTON AND CYLINDER WERE INSTALLED AND AIRCRAFT RETURNED TO SERVICE.Aug 15, 2004 · Dhav DHC2* · Reciprocating Engine Power SectionSDR CA040831003Rib · cracked(CAN) DURING REGULAR 100 HOUR INSPECTION AD CF-80-25 COMPLETED AND CRACK FOUND ON LT ELEVATOR IB RIB AT ATTACHMENT BOLT. CRACK WAS LARGER AND MORE VISIBLE ON DOUBLER. REMOVAL OF DOUBLER REVEALED CRACK ON RIB AS WELL. RIB REPLACED AND DOUBLER TOO.Aug 13, 2004 · Dhav DHC2* · Elevator, Spar/RibSDR CA040810006Magneto · failed(CAN) DURING A LOCAL FLIGHT THE PILOT ENCOUNTERED A ROUGH RUNNING CYCLE, RETURNED TO BASE AND LANDED EVENTUALLY. MAINTENANCE INVESTIGATION RELEALED THAT THE RT MAGNETO HAD FAILED INTERNALLY. MAGNETO WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE. TEARDOWAug 9, 2004 · Dhav DHC2* · Magneto/DistributorSDR CA040915007Exhaust Stack · bulged(CAN) UNIT IS CALLED A COFFEE CAN TYPE CABIN HEATER, CRACK ONLY VISIBLE WHEN THE UNIT WAS REMOVED FROM THE AIRCRAFT EXHAUST SYSTEM (C2EE249). THE DEFECT WAS NOTED DIRECTLY BEHIND THE TRIANGULAR AIR DEFLECTOR AT THE AIR INLET TO THE CABIN HEATER. THE CRACK WAAug 6, 2004 · Dhav DHC2* · Heating SystemSDR CA040830011Generator · failed(CAN) AFTER LANDING PILOT NOTICED VOLTAGE READING WAS AT 0. GENERATOR WAS REPLACED ANDAIRCRAFT WAS RETURNED TO SERVICE.Aug 6, 2004 · Dhav DHC2* · DC Generator-AlternatorSDR CA040928013Wire · grounded(CAN) DURING VFR FLIGHT THE ELECTRICAL CHARGING SYSTEM FAILED. AIRCRAFT LANDED AT MAINTENANCE FACILITY. VOLTAGE CONTROLLER FOUND TO BE BURNED INTERNALLY PROBABLY DUE TO GROUNDED FIELD WIRE IN ALTERNATOR. FIELD WIRE IN ALTERNATOR REPAIRED. INSTALLED NEW VOLTAGEJul 30, 2004 · Dhav DHC2* · Battery/Charger SystemSDR CA040804003Cylinder Head · broken(CAN) NR 5 CYLINDER STUDS BROKE AND CYLINDER THEN DETACHED FROM CASING, RESULTING IN EMERGENCY LANDING AND LOSS OF OIL.Jul 23, 2004 · Dhav DHC2* · Reciprocating Engine Cylinder SectionSDR CA040702002Bellows · failed(CAN) HAVE DETERMINED THAT CARB HEAT BELLOWS P/N C2E2215 AS RECEIVED WAS ACQUIRED DIRECTLY WITHOUT GOING THROUGH QA INSPECTION AND CERTIFICATION. PART BEARS DHC-2 PN STAMP AND APPEARS GENUINE. PART PLACED IN QUARATINE.Jun 27, 2004 · Dhav DHC2* · Fuel Control/Reciprocating EnginesSDR CA040525003Diaphragm · crackedPILOT REPORTED FUEL PRESSURE INDICATOR DROPPED INTERMITTENTLY DURING ALL PHASES OF OPERATION. AIRCRAFT WAS RETURNED TO MAINTENANCE BASE. FUEL FOUND TO BE LEAKING FROM WOBBLE PUMP. WOBBLE PUMP DIAPHRAGM FOUND TO BE CRACKED. DIAPHRAGM REPLACED, ENGINE GROUNMay 21, 2004 · Dhav DHC2* · Engine Fuel PumpSDR CA040928012Control Cable · frayed(CAN) DURING INSPECTION THE LT ELEVATOR CONTROL CABLE WAS FOUND FRAYED AT FWD PULLEY (LOCATED UNDER BATTERY BOX COMPARTMENT). BATTERY ACID CORROSION NOT EVIDENT AT LOCATION OF FRAYED CABLE. REPLACED CABLE.May 20, 2004 · Dhav DHC2* · Elevator Control SystemSDR CA040527002Control Cable · frayedDURING SCHEDULED INSPECTION, THE LT ELEVATOR CONTROL CABLE WAS FOUND TO BE FRAYED AT THE FWD PULLEY LOCATED UNDER THE BATTERY BOX. NO EVIDENCE OF BATTERY ACID FOUND IN LOCATION. THE CABLE WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.May 20, 2004 · Dhav DHC2* · Elevator Control SystemSDR CA040510005Spar · crackedTHE TAILPLANE WAS BEING INSPECTED IAW CF 91-42 ADDITIONAL CRACK WAS DISCOVERED LEADING FROM A PREVOUSLEY CRACK THAT HAD BEEN STOP DRILLED.May 6, 2004 · Dhav DHC2* · Horizontal Stabilizer, Spar/RibSDR CA031015017Cylinder Head · cracked(CAN) CYLINDER HEAD CRACKED 360DEG FROM CYLINDER (BARREL PN 47517)Oct 11, 2003 · Dhav DHC2* · Reciprocating Engine Cylinder SectionSDR EON2003F00000Lock · fracturedDURING THE 100 HOUR COMPRESSION TEST, THE ENGINE STOPPED BETWEEN TWO POSITIONS OF APPROXIMATELY 60 DEGREES OF PROP ROTATION FROM HARD INTERNAL CONTACT, FURTHER INVESTIGATION REVELLED THAT THE LOCK BAR ON THE NR 4 ROD LINK PIN HAD FRACTURED AND ALLOWED THE ROD Aug 27, 2003 · N62230 · Dhav DHC2* · Engine Mount SectionSDR 2005FA0001607Selector Valve · leakingWITH FUEL SELECTOR VALVE IN OFF POSITION FUEL LEAKS BY VALVE, SLIGHT PRESSURE ON CABLE DRUM ON VALVE MAKES IT WORSE. (SIDE LOAD) THIS VALVE MUST BE CHECKED DURING AN ANNUAL IN THE OFF POSITION AND PUTTING PRESSURE ON DRUM TO SEE IF FUEL FLOWS THROUGH VALVE IN Dec 18, 2002 · N233N · Dhav DHC2* · Fuel Selector/Shut-Off ValveSDR 2003FA0000566Selector Valve · leakingWITH FUEL SELECTOR VALVE IN OFF POSITION FUEL LEAKS BY VALVE, SLIGHT PRESSURE ON CABLE DRUM ON VALVE MAKES IT WORSE. (SIDE LOAD) THIS VALVE MUST BE CHECKED DURING AND ANNUAL, IN THE OFF POSITION AND PUTTING PRESSURE ON DRUM TO SEE IF FUEL FLOWS THROUGH VALVE Dec 18, 2002 · N233N · Dhav DHC2* · Fuel Selector/Shut-Off ValveSDR AUS20021397Bracket · corroded(AUS) LH AILERON CENTRE HINGE BEARING SUPPORT BRACKET CONTAINED EXFOLIATION CORROSION. AREA OF CORROSION APPROXIMATELY 20MM (0.78IN) BY 5MM (0.196IN) AND 0.5MM (0.019IN) DEEP. AIRCRAFT IS A FLOATPLANE.Nov 28, 2002 · Dhav DHC2* · AileronsSDR AUS20021146Channel · corroded(AUS) LH AND RH CHANNELS SEVERELY CORRODED. AIRCRAFT OPERATES AS AFLOATPLANE.Oct 9, 2002 · Dhav DHC2* · Fuselage Main, FrameSDR AUS20021115Former · corroded(AUS) REAR FUSELAGE FORMER AND SKIN STRUCTURE LOCATED IN AREA BENEATH THE FORWARD TAILPLANE ATTACHMENT PICKUP BRACKETS PNO C2FS5189ASEVERELY CORRODED. AIRCRAFT OPERATES AS A FLOATPLANE.Sep 17, 2002 · Dhav DHC2* · Fuselage Main, StructureSDR 2002F01089Seal · damagedFOUND OIL RESERVOIR TO BE PRESSURIZED AFTER ENGINE RUN. FOUND BAD SEALS IN OIL PUMP. REPLACED PUMP PART NR 38360-130 PROBLEM WENT AWAY. (M)Aug 29, 2002 · N12UA · Dhav DHC2* · Reciprocating Engine Oil SystemSDR PJM2002F00000Clip · misinstalledPILOT REPORTED ERRATIC FUEL PRESSURE INDICATION DURING FLIGHT. AIRCRAFT ARRIVED AT MAINTENANCE BASE WHERE INSPECTION OF THE FUEL PUMP REVEALED FUEL SEEPING FROM PRESSURE RELIEF DIAPHRAGM VENT. UPON REMOVAL OF THE DIAPHRAGM, IT WAS NOTED THAT THE DIAPHRAGM REApr 10, 2002 · N64393 · Dhav DHC2* · Fuel Pressure IndicatingSDR CA011004004Cylinder Head · cracked(CAN) CRACK FOUND ON CYLINDER HEAD FROM EXHAUST PORT TO FRONT SPARK PLUG WHILE PERFORMING AD 78-08-07.Sep 18, 2001 · Dhav DHC2* · Reciprocating Engine Cylinder SectionSDR AUS20011146Hose · failed(AUS) RT LANDING GEAR HYDRAULIC HOSE CHAFED INSIDE FLOAT STRUT. HOSE BURST. LOSS OF HYDRAULIC FLUID. AIRCRAFT IS A FLOATPLANE.Jun 9, 2001 · Dhav DHC2* · Landing Gear Retraction/Extension SystemSDR CA010508014Former · cracked(CAN) THE INSPECTION REQUIRED BY CF-98-38 BULKHEAD CRACKS STA. 288 WAS CARRIED OUT ON THE AIRCRAFT. THE BULKHEAD AND THE CHANNEL ASSEMBLY WERE FOUND TO BE CRACKED. P/N C2FS533 FORMER WAS REPLACED WITH A NEW PART. P/N C2FS4045A CHANNEL ASSEMBLY WAS REPLACED WITMay 8, 2001 · Dhav DHC2* · Fuselage Main, BulkheadSDR CA010508013Mount · cracked(CAN) THE ENGINE WAS CHANGED IN THE AIRCRAFT. UPON INSPECTION, THE ENGINE MOUNT WAS FOUND TO BE CRACKED AROUND THE LORD MOUNT PADS. THE MOUNT ASSEMBLY P/N C2EM4-A WAS REPLACED WITH A REPAIRED PART.Feb 12, 2001 · Dhav DHC2* · Engine Mount SectionSDR CA001211002Collector Ring · failed(CAN) NR 7 EXHAUST SEGMENT BLEW APART ON THE INNER SIDE AT A PREVIOUSLY REPAIRED AREA. (X)Nov 9, 2000 · Dhav DHC2* · Engine Collector/Tailpipe/NozzleSDR CA001122006Bushing · worn(CAN) DURING ROUTINE INSPECTION THE RT TOP LIFT STRUT BUSHING WAS FOUND TO BE WORN. THIS CONDITION APPEARS TO BE A WEAK PART IN DESIGN AS WE ARE CONSTANTLY REPAIRING THE TOP END OF THE LIFT STRUTS. : THE ALUMINIUM LIFT STRUT ENDS ARE FIELD REPAIRABLE.Nov 1, 2000 · Dhav DHC2* · Wing Miscellaneous StructureSDR AU001042Elevator · fod(AUS) RIGHT ELEVATOR DAMAGED BY YACHT. TRIM TAB DAMAGED. AIRCRAFT IS A FLOAT PLANE AND WAS MOORED AT THE TIME. (X)Oct 28, 2000 · Dhav DHC2* · Elevator StructureSDR CA001229004Bearing · failed(CAN) DURING 100 HOUR INSPECTION, 2 LARGE (1/4 X 3/18) PIECES WERE FOUND IN THE ENGINE SUMP. ONE CYLINDER WAS REMOVED AND A PIECE OF THE CONNECTING ROD BEARING WAS FOUND MISSING. THE ENGINE WAS REPLACED.Oct 4, 2000 · Dhav DHC2* · Reciprocating Engine Power SectionSDR AU000958Frame · damaged(AUS) LEFT WING DAMAGED DURING HEAVY LANDING. (X)Sep 23, 2000 · Dhav DHC2* · Wing Main, Frame StructureSDR AU000954Pin · faulty(AUS) MASTER ROD LINK PINS (8OFF) ELECTROPLATED USING AN UNAPPROVED PROCESS. NO EVIDENCE OF UNSERVICEABILITY FOUND. UNAPPROVED PART. (X)Sep 5, 2000 · Dhav DHC2* · Reciprocating Engine Power SectionSDR AU000953Pin · faulty(AUS) MASTER ROD LINK PINS (8OFF) ELECTROPLATED USING AN UNAPPROVED PROCESS. NO EVIDENCE OF UNSERVICEABILITY FOUND. UNAPPROVED PART. (X)Sep 5, 2000 · Dhav DHC2* · Reciprocating Engine Power SectionSDR AU000839Pin · faulty(AUS) NO7 LINK PIN DISPLACED. (X)Aug 14, 2000 · Dhav DHC2* · Reciprocating Engine Power SectionSDR AU000748Link Rod · seized(AUS) ENGINE FAILED. INVESTIGATION FOUND THAT THE NR 7 LINK ROD SEIZED IN THE NR 7 LINK PIN. (X)Aug 14, 2000 · Dhav DHC2* · Reciprocating Engine Power SectionSDR QXEA0002163Battery · malfunctionedSEA-RIGHT HAND AFT EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED BATTERY AT PS4. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (X)Aug 5, 2000 · N375PH · Dhav DHC2* · Emergency LightingSDR CA000808010Relief Valve · failed(CAN) LOW PITCH STOP NUTS BROKEN, CWT SHAFTS BENT. THIS PROPELLER USES GOVERNOR OIL PRESSURE TO MOVE PROP TO LOW PITCH WITH RELIEF VALVE SET AT 200 PSI WHICH WILL NOT DAMAGE LOW STOPS. RELIEF VALVE HAD TO BE NON-OPERATIONAL DUE TO CONTAMINATION, CORROSION OJul 20, 2000 · Dhav DHC2* · Propeller GovernorSDR CA000519001Bracket · cracked(CAN) WHILE CONDUCTING CF-61-12, AILERON MASS BALANCE WT INSPECTION. A CRACK WAS FOUND IN SUPPORT BRACKET.Apr 14, 2000 · Dhav DHC2* · Aileron Control SystemSDR CA000427002Cylinder · cracked(CAN) CYLINDER FOUND SEPARATED BETWEEN HEAD AND BARREL. AD 78-08-07 COMPLIED WITH AT OVERHAUL 63 HOURS PREVIOUSLY.Apr 3, 2000 · Dhav DHC2* · Reciprocating Engine Cylinder SectionSDR 20000328SH002Support Bracket · crackedBRAND NEW TANK SUPPORTS HAVE BEEN FOUND TO BE CRACKED ALONG THE BEND RADIUS WHERE THE ALUMINUM HAS BEEN COLD-FORMED, CLOSE TO THE TANK STRAP CLEVIS PEN HOLES. THIS PROBLEM HAS ALSO BEEN FOUND ON PARTS WITH TIME IN SERVICE, AND THE CRACKS PROGRESS WITH USE. (Feb 22, 2000 · Dhav DHC2* · Wing Miscellaneous Structure
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