N427AL, cancelled Jun 20, 2002

Service difficulty reports · 32

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

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 n_number = 'N427AL' AND deregistration_id = 'N427AL-2002-06-20'
  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 ALG2002F00028Cowling · corrodedREBUILD. EXCESSIVE CORROSION, CRACKING AND WEAR ON COWLING AND INTAKE SHELF.Mar 24, 2002 · N427AL · Bell 407 · Engine Air Intake SystemSDR ALG2001F00029Pitch Horn · corrodedDURING 2500 HOUR OVERHAUL, CORROSION BEYOND LIMITS ON ENTIRE SURFACE OF PARTS DUE TO POOR QUALITY OF MATERIAL AND PAINTING PROCEDURE. SCRAPPED PARTS. USE BETTER QUALITY ALUMINUM AND PAINTING PROCEDURE.Oct 19, 2001 · N427AL · Bell 407 · Tail Rotor HeadSDR ALG2001F00043Link · corrodedDURING PHASE INSPECTION. CORROSION BEYOND MAXIMUM LIMITS. RETURN TO 206 SERIES ALLOY USED ON LINKS AND LEVERS. BETTER ALLOY AND/OR SURFACE PROTECTION.Oct 9, 2001 · N427AL · Bell 407 · Main Rotor ControlSDR ALG2001F00044Disc Pack · crackedDAILY INSPECTION OF TAILROTOR HANGER BEARINGS. CRACKED DISC NR5 AND NR6 TAILROTOR HANGER BEARINGS. ALLOW THE TAILROTOR DRIVESHAFT TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN.Oct 3, 2001 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 20001206SH006Duct · crackedDURING DAILY INSPECTION, FOUND OIL COOLER BLOWER CRACKED. (X)Oct 25, 2000 · N427AL · Bell 407 · Engine Oil CoolerSDR 20001113SH011Housing · crackedDURING DAILY INSPECTION, FOUND HOUSING CRACKED AND RIVETS MISSING DUE TO HIGH VIBRATION, HOUSING SCRAPPED. (X)Aug 30, 2000 · N427AL · Bell 407 · Engine Oil Distribution (Airframe Furnished)SDR 20000912SH005Fuel Cap · leakingDURING DAILY INSPECTION, FOUND FUEL CAP LEAKING, CRACKED AT LOCKING MECHANISM. (X)Jul 21, 2000 · N427AL · Bell 407 · Fuel StorageSDR 20000804SH013Pitch Horn · corrodedDURING FIRST 2,500 HOUR OVERHAUL, FOUND CORROSION BEYOND LIMITS UNDER PLATE, POSSIBLY CAUSED BY INCOMPATIBLE ADHESTIVE PRIMER. (X)Jul 19, 2000 · N427AL · Bell 407 · Tail Rotor HeadSDR 20000804SH015Frame · crackedDURING DAILY SERVICE CHECK, FOUND TRANSMISSION SIDE OF MDS, FORWARD FLEX FRAME CRACKED FROM ATTACHMENT BOLT TO OUTER EDGE OF FLEX FRAME. (X)Jul 3, 2000 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000804SH014Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND DISC PACK CRACKED IN 3 PLACES FACING AFT AND 1 CRACK FORWARD. (X)Jun 30, 2000 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX4594Housing · crackedDURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING.Nov 7, 1999 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 99ZZZX4596Housing · crackedDURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING.Nov 3, 1999 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 99ZZZX4589Housing · crackedDURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING.Oct 21, 1999 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 99ZZZX4593Housing · crackedDURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING.Sep 29, 1999 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3523Bearing · roughUNIT WAS REMOVED FOR VIBRATIONS. FOUND 2 EACH 407-340-339-103 BEARINGS ROUGH. FOUND 1 EACH 206-061-432-116 HOUSING CRACKED.Aug 5, 1999 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3339Shaft · wornFOUND 2 EACH 407-340-339-103, BEARINGS ROUGH. FOUND 206-061-432-116 HOUSING CRACKED. FOUND 406-040-320-101 SHAFT SPLINES WORN.Jul 14, 1999 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3338Housing · crackedFOUND 2 EACH 407-340-339-103, BEARINGS ROUGH. FOUND 206-061-432-116 HOUSING CRACKED. FOUND 406-040-320-101 SHAFT SPLINES WORN.Jul 14, 1999 · N427AL · Bell 407 · Tail Rotor Drive SystemSDR 99ZZZX3337Bearing · roughFOUND 2 EACH 407-340-339-103, BEARINGS ROUGH. FOUND 206-061-432-116 HOUSING CRACKED. FOUND 406-040-320-101 SHAFT SPLINES WORN.Jul 14, 1999 · N427AL · Bell 407 · Tail Rotor Drive SystemSDR 99ZZZX1239Bearing · wornDURING INSPECTION, FOUND WORN BEARING.Mar 9, 1999 · N427AL · Bell 407 · Engine Mount SectionSDR 99ZZZX1240Input Shaft · wornF/W/U REMOVED FOR 2,500-HOUR OVERHAUL. FOUND AT TEAR-DOWN INSPECTION. INPUT SPLINES WORN BEYOND LIMITS. SHAFT SCRAPPED.Feb 17, 1999 · N427AL · Bell 407 · Engine/Transmission CouplingSDR 99ZZZX896Bearing · wornTAIL ROTOR ASSEMBLY WAS REMOVED FOR WORN BEARINGS. FOUND THE TWO INBOARD BEARINGS BADLY WORN. THE OUTER RACE LINERS DEBONDED. THREE T/R HUBS HAVE BEEN FOUND IN THIS CONDITION. BEARING KEPT FOR POSSIBLE EVALUATION. RECOMMEND: REMOVE T/R BLADES AND INSPECT Jan 26, 1999 · N427AL · Bell 407 · Tail Rotor HeadSDR 98ZZZX3598Support · crackedDURING ROUTINE DAILY INSPECTION FOUND RT UPPER SUPPORT FITTING, FIRST FORWARD SCREW CRACKED CRESCENT SHAPED 1 INCH TO 1.50 INCHES. THE DRAWING IS OF THE LT HAND CRACK, BUT THE RT HAND CRACK IS IN A SIMILAR LOCATION.Aug 21, 1998 · N427AL · Bell 407 · Rotorcraft Tail BoomSDR 98ZZZX3351Disc · corrodedSCHEDULED INSPECTION FOUND CORROSION AND COUPLING (PACK) SEPARATED WHEN BOLTS ARE TORQUED.Jul 2, 1998 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3349Disc · crackedSCHEDULED INSPECTION FOUND DISC COUPLING CRACKED.Jul 2, 1998 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX2534Pinion Gear · galledUPON DISASSEMBLY OF GEARBOX AND INSPECTION OF PARTS DUE TO METAL, FOUND PINION GEAR HAD EXCESSIVE GALLING ON GEAR TEETH. POSSIBLY DUE TO IMPROPER MESHING OF GEARS. SECONDARY DAMAGE: T/M GEAR P/N 6893673 S/N NN143321. TT: 15,65.3 HOURS. SPALLING ON GEAR TJun 8, 1998 · N427AL · Bell 407 · Turbine Engine Reduction GearSDR 98ZZZX3086Support · crackedAFTER BEING NOTIFIED THAT ONE OTHER AIRCRAFT IN FLEET HAD LOST ITS SLAT, SUBMITTER C/W VISUAL INSPECTION AND FOUND THE HORIZONTAL STABILIZER SLAT SUPPORT AT THE MID-INBOARD SUPPORT CRACKED ON THE LT SLAT, ONE EACH. ONE MID-INBOARD SLAT SUPPORT CRACKED IN RADIMay 30, 1998 · N427AL · Bell 407 · Horizontal Stabilizer StructureSDR 98ZZZX2535Support · crackedAFTER BEING NOTIFIED THAT ONE OTHER AIRCRAFT IN FLEET HAD LOST ITS SLAT, C/W A VISUAL INSPECTION AND FOUND THE HORIZONTAL STABILIZER SLAT SUPPORT AT THE MID-INBOARD SUPPORT CRACKED ON THE LT SLAT. ONE EACH. ONE MID-INBOARD SLAT SUPPORTS CRACKED IN RADIUS AREMay 30, 1998 · N427AL · Bell 407 · Horizontal Stabilizer StructureSDR 98ZZZX306Bearing · roughTWENTY-FIVE HOUR INSPECTION FOUND OIL COOLER BLOWER BEARINGS ROUGH. ALSO, SHAFT SPLINES SHOW SIGNS OF LACK OF LUBRICATION. SUBMITTER RECOMMENDED IMPROVING BEARING AND LUBRICATION ON SHAFT TO COUPLING SPLINES.Nov 11, 1997 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 98ZZZX305Bearing · roughTWENTY-FIVE HOUR INSPECTION FOUND OIL COOLER BLOWER BEARINGS ROUGH. ALSO, SHAFT SPLINES SHOW SIGNS OF LACK OF LUBRICATION. SUBMITTER RECOMMENDED IMPROVING BEARING AND LUBRICATION ON SHAFT TO COUPLING SPLINES.Nov 11, 1997 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 97ZZZX4421Disc Pac · crackedDURING DAILY INSPECTION, C/W MAINTENANCE NOTAM 52-97, FOUND CRACKED DISK IN DISC PACK.Oct 2, 1997 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 97ZZZX4422Spring Pin · missingPOST-FLIGHT INSPECTION FOUND TAIL SKID ASSEMBLY HAD DEPARTED THE AIRCRAFT, SPRING PIN WAS ALSO MISSING. SPRING PIN MUST HAVE FALLEN OUT, AND THEN TAIL SKID WITHOUT SPRING PIN TO HOLD IT ON FELL OFF THE AIRCRAFT DURING FLIGHT. PILOT DID NOT NOTICE ANYTHING UNSep 25, 1997 · N427AL · Bell 407 · Auxiliary Gear (Tail Skid)SDR 97ZZZX2857Fusible Plug · failedWHILE AIRCRAFT WAS SITTING ON MAINTENANCE RAMP, NITROGEN CAME OUT OF FUSIBLE PLUG. THE INTERNAL PLUNGER CAME LOOSE OR SHEARED.Mar 10, 1997 · N427AL · Bell 407 · Emergency Flotation Section
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