Dehavilland DHC-3
Service difficulty reports · 394
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 = 'DHC3' 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.
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 = 'DHC3' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA070606004Rod End · broken(CAN) PILOT COULD NOT GET GEAR DOWN INDICATION, BUT COULD GET GEAR UP AND LOCKED INDICATION. WATER LANDING CARRIED OUT. MAINT FOUND LT NOSE GEAR WOULD NOT EXTEND. ROD END FOUND BROKEN ON NOSE GEAR ACTUATOR, REPLACED AND ACFT RETURNED TO SERVICE. (TC NR 2007060SDR CA070524003Strut · cracked(CAN) DURING ANNUAL INSPECTION A (4 TO 5) CRACK WAS FOUND. THE CRACK PROPAGATED COMPLETELY THROUGH THE BOTTOM CENTER OF THE STRUT LEG BETWEEN THE LOWER ATTACH POINTS. THE STRUT LEG WAS REMOVED AND REPLACED. PICTURES ON FILE AT REPAIR STATION. (TC NR 2007052400SDR CA070411005Strut · corroded(CAN) DURING REPLACEMENT OF THE LT WINDSCREEN, CORROSION WAS FOUND ON THE STRUT PN C3FS2-49. AFTER REMOVAL OF SEALANT IT WAS NOTED THE STRUT WAS CORRODED COMPLETELY THROUGH ONE OF THE WALLS OF THE STRUT. RT STRUT INSPECTED AND NO FAULT FOUND (TC NR 20070411SDR CA061204002Ballast · failed(CAN) ON POWER UP OF AIRCRAFT, CABIN LIGHT BALLASTS FAIL. THIS AIRCRAFT HAS HAD 10 BALLAST UNITS 3367-10 REPLACED. (TC# 20061204002)SDR CA061004008Duct · damaged(CAN) DURING A REGULARLY SCHEDULED HOT SECTION INSPECTION A CRACK WAS NOTICED IN THE LARGE EXIT DUCT (LED) BEING REMOVED FROM THE ENGINE. THE CRACK WAS LOCATED ON THE DOME AT THE DOUBLE WALL SEAM. THE LED HAD BEEN RECENTLY OVERHAULED AND HAD A TSO OF 1676.9.SDR 2007F00024Lift Strut · crackedFOUND RT WING STRUT CRACKED AT LOWER END DURING AICRAFT INSPECTION PROGRAM. 20 DAYS AND 16 HOURS LATER FOUND LT WING STRUT CRACKED AT LOWER END. AIRCRAFT HAS AOG 400 LB UP-GROSS STC SA00438NY INSTALLED.SDR CA060901004Cylinder Head · cracked(CAN) FOUND CRACK ON NR 2 CYLINDER HEAD AT EXHAUST ROCKER HOUSING WHILE CHECKING OIL LEAK AT OTHER POSITIONS. CRACK WAS NOT DETECTED AT THE LAST 100 HOUR INSPECTION. 33.5 HOURS PAST. (TC NR 20060901004)SDR CA060925002Carburetor · leaking(CAN) ACCORDING TO THE PILOT WHILE IN FLT THE ENGINE STARTED TO RUN ROUGH AND SPUTTERED A FEW TIMES, THE PILOT CHECKED LT AND RT MAGNETOS, CARB HEAT, BOOST PUMP, GAUGES-OIL TEMPERATURE AND PRESSURE, FUEL PRESSURE AND CYLINDER HEAD TEMPERATURE. ALL GAUGES WERE SDR CA060728007Engine · vibrates(CAN) DURING DESCENT FOR FLOAT LANDING ON WATER, PILOT NOTICED VIBRATION IN ENGINE . ENGINE SHUTDOWN, PROP FEATHERED. AIRCRAFT LANDED WITHOUT INCIDENT. ENGINE REMOVED SENT TO REPAIR FACILITY. (TC NR 20060728007)SDR CA060615005Bolt · failed(CAN) WHILE PERFORMING MAIN LANDING GEAR (MLG) WHEEL/SKI REMOVAL AND CHANGE TO WHEELS ONLY, MAINTENANCE FOUND THE RIGHT HAND WHEEL/SKI ATTACH BOLT P/N: C3US156-3 TO BE BROKEN. THE BOLT ATTACHES THE SKI BRACKET ASSEMBLY LINK P/N: C3US108-34 TO THE MLG STRUT ANDSDR CA060512003Bolt · failed(CAN) WHILE PERFORMING A 100 HOUR INSPECTION ON THE MLG WHEEL SKIS, MAINTENANCE FOUND THE RT WHEEL SKI ATTACH BOLT P/N:C3US156-3 TO BE BENT AND CRACKED. BOLT ATTACHES THE SKI BRACKET ASSEMBLY LINK P/N: C3US108-34 TO THE MLG STRUT AND AXLE. THE BOLT HAS CRACKESDR 2006FA0000579Door Frame · corrodedFORWARD FUSELAGE STRUTS (DOOR POSTS) CORRODED THROUGH FROM INSIDE OUT. THIS IS THE SAME DESIGN AS THE DOOR POST THAT ARE REQUIRED BY AD TO BE REPLACED EVERY 15 YEARS OR INSPECTED ANNUALLY BY ULTRASOUND. (K)SDR CA060407004Skin · corroded(CAN) SKIN REPAIRS NOT MADE IAW TYPE DESIGN, AND REPLACED. LEADING EDGE CORRODED, REPAIR MADE IN THE PAST USING INCORRECT (BOGUS) STIFFENER MATERIAL, AND UNPRIMED BY INSTALLER LEAVING A CORRODED MESS. RETURNED TO CONFORMANCE WITH TYPE DESIGN. (TC NR 200604070SDR CA060406009Arm · looseMASS BALANCE ARM EXHIBITED LOOSENESS, AND WAS MOVING IN EXCESS OF 1/2 INCH AT THE END WHEN MOVED WITH MINIMAL HAND PRESSURE. AILERON DISASSEMBLED, FASTENERS REPLACED AND RETURNED TO SAFE AND FIT CONDITION IAW TYPE DESIGN.SDR CA060403029Door · corrodedTHE LT STRUT, FUSELAGE DOOR WAS CORRODED THROUGH. SURFACE RUST PITTING WAS NOTICED, AND A PUNCH WAS DRIVEN THROUGH THE TUBE WITH MINIMAL EFFORT SEVERAL TIMES. RT STRUT EXHIBITED SEVERE PITTING ALSO, AND WAS ALSO REMOVED FOR REPLACEMENT. LOGBOOKS INDICATED TSDR CA060403025Clevis · damagedJ78-19 CLEVIS, RT AND LT FRONT STRUT LOWER. HOLE IN FITTING FILLED WITH ROD, HOLE MOVED AND LIKELY IN A NON-COMPLIANT MANNER DURING MFG.SDR CA060403024Plate · corrodedSEVERE CORROSION ON FWD AND AFT FLOAT BUILD-UP ESPECIALLY LOWER SURFACES OF P/N J78-11, J78-12.SDR CA060403023Clevis · crackedAFT RT SPREADER CLEVIS CRACKED.SDR CA060403022Strut · crackedAFT LT STRUT CLEVIS CRACKED.SDR CA060403021Tube · crackedAFT LT STRUT TUBE CRACKED PN AJ78-24-1.SDR CA060322002Fitting · wornBOTH INBOARD FLAP(C3CF104-5) TUBE END ASSEMBLIES (LT AND RT WINGS) C3CF107-3 WERE REPLACED DUE TO WEAR AND LOOSE ATTACH FASTENERS. FAILURE OF THE PLUG END ON THE FLAP CONTROL TUBE COULD LEAD TO AN ASYMMETRIC FLAP CONDITION.SDR CA060322001Housing · wornTHE RUDDER QUADRANT BEARING HOUSING WAS WORN BEYOND LIMITS AT THE BEARING ATTACH POINTS/PIVOT POINT.SDR CA060321017Housing · wornTHE ELEVATOR QUADRANT BEARING HOUSING WAS WORN BEYOND LIMITS AT THE BEARING ATTACH POINTS, REF NRB538.SDR CA060321013Hinge Bracket · damagedBOTH THE FORWARD HORIZONTAL STABILIZER ATTACH HINGE BRACKETS (C3FS472-7 RT AND C3FS473-7 LT) WERE FOUND TO BE BUSHED BEYOND SERVICEABLE LIMITS. VIKING AIR HAD GIVEN A MAXIMUM OD OVERSIZE BUSHING OF .500. DURING INSPECTION THE BUSHINGS WERE MEASURED AT .650 +SDR CA060321014Bar · corrodedDURING A VISUAL INSPECTION OF THE OTTER TIE BAR ASSEMBLY A LARGE COLLECTION OF DEAD FLY CARCASSES WERE FOUND CRAMMED INTO THE "U" CHANNEL SECTION OF THE TIE BAR. ON FURTHER INVESTIGATION WITH THE BUG BIOMASS IT BECAME EVIDENT THAT THE BAR HAD STARTED TO EXFOLSDR CA060321016Bulkhead · crackedTHE FOLLOWING FLOOR SUPPORTING STRUCTURE WAS FOUND TO BE UNSERVICEABLE IN THE CABIN AREA PN NR C3FS34-13 BULKHEAD LOWER STATION 133.33, C3FS13-27 BULKHEAD LOWER STATION 153.77, C3FS51-27 BULKHEAD LOWER STATION 174.2, C3FS58-15 BULKHEAD LOWER STATION 194.00 REPSDR CA060321015Fuel Cell · damagedALL OF THE BLADDER STYLE FUEL CELLS REQUIRED EXTENSIVE WORK OR REPLACEMENT, PN# C3PT31-5, C3PT32-5, C3PT33-5, C3PT34-5 THE FUEL CELLS WERE REPLACED AS REQUIRED. THE AVERAGE DATE OF THE TANK MANUFACTURE WAS NOTED TO BE 1956.SDR CA051017005Servo · crackedRIGHT ELEVATOR SERVO TAB FOUND CRACKED DURING ROUTINE INSPECTION.SDR CA050913005Isolation Mount · separated(CAN) FLOAT EQUIPPED AIRCRAFT IN CRUISE AT APPROXIMATELY 2,000 AGL, PILOT NOTED AN IRREGULAR SOUND FROM FRONT OF AIRCRAFT. NOISE CEASED AFTER WHICH THE PILOT CONTINUED TO A NEARBY LAKE AND LANDED. 6 OF 12 VIBRATION ISOLATORS HAD PULLED THRU THE BACK OF THE SSDR PJM2005F00000Line · leakingINFLIGHT FIRE RESULTED FROM SMALL PIN HOLE IN FUEL PRESSURE LINE MOUNTED TO AFT FACE OF FIREWALL, SPRAYED FUEL ONTO BACK OF INSTRUMENTS IN PILOTS INSTRUMENT PANEL. UNABLE TO DETERMINE IGNITION SOURCE. AC MADE EMERG LANDING, FIRE WAS EXTINGUISHED WITH ONBOARDSDR CA050803007Pushrod · broken(CAN) NR 2 CYL EXHAUST ALUMINUM PUSH ROD BROKEN NEAR THE TOP FITTING.SDR CA050719005Cylinder · brokenAFTER THE PILOT NOTICED A VIBRATION IN FLIGHT, REDUCED ENGINE RPM AND LANDED. DISCOVERED THAT THE EXHAUST CASE ROCKER IN NR 1 CYLINDER WAS COMPLETELY BROKEN. THE CYLINDER ASSEMBLY WAS REPLACED.SDR CA050712004Exhaust Valve · brokenEXHAUST VALVE BROKE ON NR 1 CYLINDER AND FOUND IN EXHAUST STACK.SDR 2005FA0000837Plate · crackedPART FOUND TO BE CRACKED FROM BOTH REAR CORNER EXTENDING 2 INCHES IN LENGTH. PART HAS 9702 HOURS. STA 398-414. (K)SDR CA050617006Mount · crackedFOUND CRACK IN UPPER LT ARM, WHERE THE TUBE JOINS THE CIRCULAR MOUNT.SDR CA050616003Window Post · corroded(CAN) DURING AN UNSCHEDULED WINDSHIELD REPLACEMENT IT WAS NOTICED THE RT POST WAS CORRODED TO THE EXTENT THAT THE POST NO LONGER PROVIDED THE INTENDED SUPPORT.SDR CA050719004Bulkhead · crackedREAR BULKHEAD AT STN 427 FOUND BADLY CRACKED.SDR CA050321009Combustion Liner · cracked(CAN) 3 INCH BURN THROUGH INNER LINER IN COMBUSTION AREA. ONE SMALL PINHOLE THROUGH PRIMARY SHROUD OR CAP. THE CAP ON THE AFT FACE OF THE UNIT HAD CRACKED ABOUT 120 DEGREES AROUND THE CIRCUMFERENCE. THE BURN THROUGH WAS VISIBLE WITH THE BOROSCOPE INSPECTION SDR CA050309012Duct · cracked(CAN) AT EXHAUST PORT, THE FLANGE THAT PROTRUDES OUT OF THE CASE TO PREVENT EXHAUST GASES FROM EXITING THROUGH THE FLANGE WHERE THE EXHAUST STACK BOLTS ON, WAS CRACKED ABOUT 320 DEGREES AROUND THE CIRCUMFERENCE. THE OPPOSITE PORT WAS DETERMINED TO BE CRACKED TSDR CA050208004Cable · broken(CAN) CABLE BROKE IN THE FORWARD BAY WHERE IT CHANGES DIRECTION. ADDITIONAL NOTE, INSPECTION IN THIS AREA IS ONLY POSSIBLE WITH MIRROR.SDR CA041221007Window Post · corroded(CAN) DURING AN UNSCHEDULED INSPECTION OF WINDSHIELD POST AT BOTH LT AND RT SIDES SEVERE CORROSION WAS FOUND. THE LT POST WAS CORRODED THROUGH IN AREAS WITH SEVERE CORROSION ALTHOUGH IT HAD NOT GONE THROUGH.THIS FINDING IS ALSO DESCRIBED IN DEHAVILLAND SB 3/29SDR CA041210002Latch · inoperative(CAN) NEW PART, DISCOVERED AT INSTALLATION. DOES NOT LATCH. THE SPRING WHICH POSITIVELY PUSHES THE LATCH TO THE LOCK POSITION IS MISSING.SDR CA041005001Cam · damaged(CAN) THE ENGINE DEVELOPED A NOISE INDICATING A WORN CAM LOBE OR ROLLER. SMALL AMOUNT OF METAL (STEEL ) FOUND IN ENGINE SUMP. TRACE AMOUNT OF METAL FOUND IN OIL SCREEN. CAM REMOVED AND FOUND TO BE DAMAGED ON ONE EXHAUST LOBE. INSTALLED NEW CAM AND ROLLERS OSDR CA040928007Rod End · worn(CAN) AFT ROD END ON PUSH ROD PN F3I-14 WORN OUT AND STC ROD END PN M34-14. ALSO, FOUND WORN OUT PLUS ELEVATOR HINGE PIN C2TP199 AND HINGE PIN C3TF7-5 AND OUTER BEARING KP5A, ALL FOUND WITH EXCESSIVE WEAR AFTER ONLY 100 HOURS OF OPERATION UNDER STC SA01059SE.SDR CA040915005Cylinder · cracked(CAN) CYLINDER EXHAUST VALVE EAR BROKEN OFF. CRACK INITIATED FROM THE ROCKER SHAFT BUSHING AREA AND CRACKED AROUND TO OPPOSITE SIDE. COMPLETE TOP CAME OFF FROM BUSHING TO BUSHING.SDR CA040923004Tie Rod · broken(CAN) PILOT NOTICED TIE ROD BROKEN UPON RETURN TO BASE. NO DIFFICULTY WITH THIS LANDING OR PREVIOUS LANDINGS WHERE NOTED BY PILOT. PART WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. PLEASE ADVISE WHERE PARTS CAN BE SENT FOR EXAMINATION. HAVE NOT SEEN A FSDR CA040916006Engine · failed(CAN) FOLLOWING INSPECTION AND REPAIRS AS A RESULT OF EXHAUST VALVE FAILURE AIRCRAFT TAXIED ON WATER FOR TAKEOFF AND OIL PRESSURE DROPPED BELOW LIMITS. TAKEOFF ABORTED AND ENGINE REMOVED.SDR CA040916005Exhaust Valve · destroyed(CAN) ENGINE RAN ROUGH AND SMOKING IN FLIGHT, LANDED ON LAKE, INSPECTION REVEALED EXHAUST VALVE FAILURE AND RESULTED IN SEVERE PISTON DAMAGE. CYLIDER REPLACED AND AIRCRAFT RETURNED TO MAIN BASE.SDR CA040813005Arm · missing(CAN) THE AIRCRAFT WAS UNDERGOING A GENERAL INSPECTION MAINTANCE OBSERVED THE VIKING AIR FLUTTER PREVENTION MODIFICATION RUDDER TRIM TAB ARM WAS MISSING THE AIRCRAFT HAD BEEN INSPECETED SOME 50.0 HOURS EARLER WITH NO DEFECTS NOTEDSDR CA040928002Cam · worn(CAN) DURING FLIGHT ENGINE DEVELOPED UNUSUAL DRONING NOISE FROM ENGINE. SUSPECT WORN CAM LOBE. CAM REMOVED AND FOUND TO BE WORN ON SEVERAL EXHAUST CAM LOBES. SERVICEABLE CAM, ROLLERS AND PINS INSTALLED. ENGINE GROUND RUN SATISFACTORY. AIRCRAFT RELEASED.
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