Grumman G-21A

Service difficulty reports · 26

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 = 'G21A'
  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 CA150904009Control Cable · failed(CAN) THE PROP GOVERNOR CONTROL CABLE CLAMPS ARE SLIPPING ON ENGINE MOUNT OVER TIME CREATING A SLIGHT DECREASE IN TAKE OFF RPM.May 27, 2015 · Grumav G21A · Propeller Controlling SystemSDR CA150417013Control Arm · backed out(CAN) THE ROLL PIN ATTACHING THE CARBURETOR MIXTURE CONTROL ARM TO THE ASSY WAS ABLE TO BACK OUT FAR ENOUGH TO MAKE CONTACT WITH THE MIXTURE STOP. NO SECONDARY SAFETY, LOCKWIRE WAS FOUND RETAINING THIS ROLL PIN ON THIS ASSEMBLY OR ANY REMAINING UNITS IN STOCKApr 15, 2015 · Grumav G21A · Fuel Control/Reciprocating EnginesSDR PNSA090102Bolt · out of adjustON LANDING ROLLOUT THE PILOT NOTICED THAT THE TAIL WHEEL HAD COLLAPSED AND THE KEEL AT THE AFT STEP WAS DRAGGING ON THE RUNWAY. THE PILOT TAXIED CLEAR OF THE RUNWAY. MAINTENANCE FOUND THAT A BOLT INSTALLED AT THE TAIL WHEEL LOCK ACTUATOR WAS CATCHING ON THE Jan 24, 2009 · N985R · Grumav G21A · Nose/Tail Landing GearSDR 2006FA0000740Exhaust Duct · crackedEXHAUST DUCT ASSY CRACKED AND MISSING PARTS.Aug 4, 2006 · N22932 · Grumav G21A · Engine Collector/Tailpipe/NozzleSDR PNSA051105Cowling · departedWHILE IN CRUISE FLIGHT THE LT ENGINE COWLING DEPARTED THE AIRCRAFT. THE COWLING'S WAS NOT RECOVERED, FLIGHT WAS OVER WATER. AN UNEVENTFUL LANDING WAS MADE. SINCE THE FLIGHT WAS OVER WATER IT COULD NOT BE DETERMINED WHY THE COWLINGS DEPARTED THE AIRCRAFT.Nov 17, 2005 · N22932 · Grumav G21A · Engine Cowling SystemSDR PNSA050301Coupling · brokenLT MAIN LANDING GEAR WOULD NOT RETRACT OR EXTEND. HUNG UP IN MID TRAVEL. DOVE AIRCRAFT AND PERFORMED SUDDEN PULL UP AND LANDING GEAR WENT TO DOWN AND LOCK POSITION. AIRCRAFT RETURNED TO DUT AND MADE A NORMAL LANDING. MAINTENANCE FOUND LT WORM GEARBOX COUPLMar 9, 2005 · N741 · Grumav G21A · Landing Gear Retraction/Extension SystemSDR CA050425004Link Rod · brokenAIRCRAFT ABORTED TAKEOFF DUE TO ENGINE POWER LOSS. ENGINE SENT FOR REPAIR AND LINK ROD FOR NR 1 CYLINDER DISCOVERED BROKEN AT LINK PIN END. DAMAGE ALSO OBSERVED AT CYLINDER SKIRT. STRIP REPORT SUGGESTS LOSE BUSHING STARTING TO FAIL IN LINKROD WAS CONTRIBUJan 5, 2005 · Grumav G21A · Reciprocating Engine Cylinder SectionSDR DXTA200300192Control Cable · chafedPERFORMED AILERON WING CABLE INSPECTION PER CESSNA ASL560XL-27-12, FOUND CABLES CHAFED/BROKEN BEYOND MANUFACTURER'S LIMITS. REMOVED AND REPLACED LEFT AND RIGHT WING AILERON CABLES IAW CESSNA 560XL MM CHAPTER 27-10-03.Nov 29, 2003 · N641 · Grumav G21A · Aileron Control SystemSDR CA030609006Engine · contaminated(CAN) DURING REGULARLY SCHEDULED MAINTENANCE, METAL WAS FOUND IN THE OIL SCREEN OF THE RT ENGINE IN SUFFICIENT QUANTITY TO NECESSITATE ENGINE REMOVAL.Jun 7, 2003 · Grumav G21A · Reciprocating Engine Oil SystemSDR CA030605019Engine · making metal(CAN) DURING REGULAR MAINTENANCE INSPECTION METAL WAS FOUND IN THE OIL SCREEN IN SUFFICIENT QUANTITY TO WARRANT ENGINE REMOVAL.May 30, 2003 · Grumav G21A · Reciprocating Engine Oil SystemSDR CA020912006Clamp · cracked(CAN) PROPELLER EXPERIENCED VIBRATIONS, WENT IN FOR SCHEDULED MAINTENANCE, CRACKED CLAMP WAS FOUND. ALSO BLADES HAD SLIPPED IN CLAMPS. PROPELLER WAS SENT IN FOR OVERHAUL AND REPAIR.Aug 14, 2002 · Grumav G21A · Propeller Blade SectionSDR CA020821003Clamp · cracked(CAN) DURING A SCHEDULED INSPECTION, THE NR 3 REAR BLADE CLAMP WAS FOUND TO HAVE A 2 INCH CRACK ACROSS IT. THE PROPELLER WAS REMOVED AND SENT IN FOR OVERHAUL.Aug 14, 2002 · Grumav G21A · Propeller Blade SectionSDR CA020808003Case · cracked(CAN) DURING ROUTINE MAINTENANCE A 3 INCH CRACK WAS FOUND IN THE FORWARD NOSE CASE STARTING JUST ABOVE THE OIL SUMP AND PROGRESSING UPWARD. THE ENGINE WAS REPLACED.Jul 23, 2002 · Grumav G21A · Reciprocating Engine Front SectionSDR DHL2001741004Windshield · failedCAPT WINDSHIELD SHATTERED AT FLIGHT LEVEL 350. ABNORMAL PROCEDURES ACCOMPLISHED. R&R L-1 WINDOW WITH SERVICABLE UNIT PER M/M 56-11-11. A/C OK FOR SERVICE. STATUS - CLOSED.Mar 27, 2001 · N741 · Grumav G21A · Flight Compartment WindowsSDR CA000925034Housing · cracked(CAN) CRACK LINE DEVELOPED AT MIXTURE ADJUSTING LEVER ONE INCH BELOW THE THROTTLE SHAFT AND PROPAGATED IN A HORIZONTAL DIRECTION AROUND THE CIRCUMFERENCE OF THE THROTTLE BODY UNIT. ENGINE DEVELOPED AN IDLING PROBLEM AND ON INSPECTION, CRACK FAULT WAS DETECTEDAug 26, 2000 · Grumav G21A · Fuel Control/Reciprocating EnginesSDR CA000518001Connecting Rod · broken(CAN) CONNECTING RODS FOR NR 8 AND NR 9 CYLINDERS BROKEN.May 3, 2000 · Grumav G21A · Reciprocating Engine Cylinder SectionSDR PNSA990704Cylinder · brokenENGINE BEGAN TO VIBRATE IN CRUISE AND SUBSEQUENTLY LOST OIL PRESSURE. SECURED ENGINE AND LANDED AIRCRAFT. ENGINE REPLACED DUE TO CASE DAMAGE FROM BROKEN CYLINDER HOLD DOWN STUDS.Jul 31, 1999 · N7811 · Grumav G21A · Reciprocating Engine Cylinder SectionSDR PNSA990202Valve · out of positionDURING CLIMB, PILOT NOTICED FUEL WAS NOT BURNING EVENLY FROM BOTH TANKS. UPON SELECTING THE RT TANK (THE FULLEST TANK) BOTH ENGINES LOST POWER. THE FUEL SELECTOR WAS RETURNED TO THE BOTH POSITION AND THE ENGINES STARTED. AFTER LANDING IT WAS DISCOVERED THEFeb 23, 1999 · N741 · Grumav G21A · Aircraft Fuel Distribution SystemSDR CA990223005Bearing · cracked(CAN) ROUTINE INSPECTION AT OVERHAUL FOUND THE PROPELLER BLADE BEARING CRACKED AND THE BLADE CORRODED AROUND THE SHANK. THE BEARING WAS REPLACED AND THE PROP BLADE SHANK WAS REWORKED.Feb 16, 1999 · Grumav G21A · Propeller Blade SectionSDR CA980908005Crankcase · cracked(CAN) REMOVAL OF NR 5 CYLINDER, DUE TO LOW COMPRESSION, REVEALED A CIRCUMFERENTIAL CRACK IN THE FORWARD FACE OF THE FORWARD CRANKCASE HALF. NUMEROUS CRYSTALLINE STRUCTURED CHIPS WERE FOUND IN THE MAIN OIL SCREEN. THE AMOUNT OF MATERIAL WAS NOT UNUSUAL, BUT THAug 12, 1998 · Grumav G21A · Reciprocating Engine Power SectionSDR 99ZZZX1872Torque Tube · failedTHE TORQUE TUBE IS DESIGNED TO SHEER IF THE AIRPLANE IS RAISED BY THE GEAR LEGS IN SHALLOW WATER. ONCE THE GEAR IS DOWN, THERE IS VERY LITTLE FORCE ON THE TORQUE TUBE. THE TORQUE TUBE MAY HAVE BEEN CRACKED PREVIOUSLY. THE TORQUE TUBE SHEARED AT THE DESIGN SAug 8, 1998 · N327 · Grumav G21A · Landing Gear Retraction/Extension SystemSDR PNSA980204Cylinder · separatedLT ENGINE STARTED RUNNING ROUGH AND LOST POWER, RETURNED TO BASE. FOUND CYLINDER SEPARATED FROM CASE. REPLACED ENGINE.Feb 20, 1998 · N741 · Grumav G21A · Reciprocating Engine Cylinder SectionSDR PNSA970203Float · damagedDAMAGED RT FLOAT DURING TAXI UP BOAT RAMP.Feb 19, 1997 · N22932 · Grumav G21A · Wheel/Ski/FloatSDR CA960614005Manifold Tab · broke(CAN) THE SINGLE TAB WHICH ATTACHES THE EXHAUST MANIFOLD TO THE EXHAUST COLLECTOR BROKE. THIS ALLOWED THE MANIFOLD TO ROTATE AND DIRECT ALL THE EXHAUST ON THE RIGHT HAND ENGINE ACCESSORY COWL. THIS DAMAGED THE REAR SECTION OF THE "HORSE COLLAR", RIGHT HAND GOVJun 5, 1996 · Grumav G21A · Engine Collector/Tailpipe/NozzleSDR 95ZZZX3461Bushing · wornAFTER DEPRESSURIZATION OF THE RIGHT MLG SHOCK STRUT FOR SERVICE, EXCESSIVE FREEPLAY WAS NOTED AT THE UPPER AND LOWER DRAG LINK BUSHINGS. WITH THE STRUT PRESSURIZED, THIS CONDITION WAS IMPOSSIBLE TO DETECT. REPLACEMENT OF THE BUSHINGS WAS ALL THAT WAS REQUIREJun 23, 1995 · N67DF · Grumav G21A · Landing Gear Retraction/Extension SystemSDR 95ZZZX3460Bushing · wornAFTER DEPRESSURIZATION OF THE RIGHT MLG SHOCK STRUT FOR SERVICE, EXCESSIVE FREEPLAY WAS NOTED AT THE UPPER AND LOWER DRAG LINK BUSHINGS. WITH THE STRUT PRESSURIZED, THIS CONDITION WAS IMPOSSIBLE TO DETECT. REPLACEMENT OF THE BUSHINGS WAS ALL THAT WAS REQUIREJun 23, 1995 · N67DF · Grumav G21A · Landing Gear Retraction/Extension System
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