JASC 7210
Service difficulty reports · 873
Reports filed under 7210 · Turbine Engine Reduction Gear, 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 jasc_code = '7210' 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 jasc_code = '7210' 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 95ZZZW672Garlock Seal · deterioratedON A REPOSITIONING FLIGHT FROM MCI TO AVW, THE LEFT ENGINE REDUCTION GEAR BOX OIL PRESSURE BEGAN TO FLUCTUATE FOLLOWED BY A LOW OIL PRESSURE WARNING LIGHT. THE LEFT OIL QUANTITY INDICATION DROPPED TO ZERO. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT DIVERTED TOSDR HEEA954637Engine Assy · chip light#1 ENGINE CHIP LIGHT CAME ON IN FLIGHT. (FOUND METAL ON THE LOWER PLUG) INSTALLED SERVICEABLE ENGINE AND RETURNED AIRCRAFT TO SERVICE.SDR HEEA954610Connector · shorted#2 ENGINE CHIP LIGHT IN FLIGHT. FOUND PINS IN CONNECTOR SHORTED. REPLACED CONNECTOR AND RETURNED TO SERVICE.SDR BDHA9500007Chip Detector · dirtyMSP - FLT 421 - LT ENGINE CHIP LIGHT ILLUMINATED WHILE TAXIING. AIRCRAFT RETURNED TO HANGER. THE CHIP DETECTOR WAS CLEANED AND PENALTY RUN PERFORMED. THE CHIP DETECTOR WAS REINSPECTED AND ALL INDICATIONS WERE NORMAL. THE AIRCRAFT WAS RELEASED. (W)SDR 95ZZZX1837Ring Gear · teeth nickedPART RECEIVED FROM VENDOR WITH GEAR TEETH NICKED. RETURNED TO VENDOR AS UNACCEPTABLE.SDR 95ZZZX1682Bowed Tab Washer · brokenGEARBOX WAS RETURNED FOR 'METAL CONTAMINATION'. AFTER TEAR DOWN OF GEARBOX, NOTICED TABS WERE BROKEN OFF TAB WASHER (ITEM 20A OF SEI 663) AND RETAINING NUT (ITEM 25 OF SEI 663) WAS BACKED OFF THREAD ON PROP SHAFT (ITEM 80 OF SEI 663). NOTE: NO OTHER DAMAGE SDR 95ZZZX3040Shaft · galledTHE POWER SECTION WAS REPORTED AS HARD TO ROTATE. UPON DISASSEMBLY, FOUND PROP SHAFT AND SLEEVE WAS GALLED IN SUCH A WAY THAT IT COULD NOT ROTATE FREELY. IT HAS BEEN DETERMINED THE GALLING OCCURRED DUE TO FUEL OIL HEATER CONTAMINATING THE OIL SYSTEM WITH FUESDR 95ZZZX1840Ring Gear · damagedRECEIVED PART FROM VENDOR THAT HAS DAMAGE ON GEAR TEETH.SDR 95ZZZX3042Sun Gear · teeth missingTHE FIRST STAGE SUN GEAR WAS SPALLED AND SEVERAL GEAR WERE FOUND LIBERATED. INVESTIGATION IS LOOKING TOWARD ELECTROSTATIC DISCHARGE DUE TO THE SPALLING AND PAST HISTORY OF THE ENGINE AND PROPELLER COMBINATION.SDR 95ZZZX1843Nut · corrodedRECEIVED 3 EACH OVERHAULED NUTS, INSPECTED, FROM AVIALL. ALL PARTS HAVE HEAVY CORROSION.SDR HEEA954345Gearbox · making metalMAKING METAL ON #1 SIDE.SDR 95ZZZX1816Bearing · spalledPRELIMINARY FINDINGS ARE FOCUSING ON THE ARCING AND MAGNETISM FOUND THROUGHOUT THE ENTIRE GEAR TRAIN.SDR 95ZZZX983Idler Gear · failureTHE UNIT WAS REMOVED FROM THE AIRCRAFT DUE TO A LT IDLER GEAR FAILURE. THE FAILED GEAR BROKE THROUGH THE GEAR CASE HOUSING. DISASSEMBLY OF THE UNIT REVEALED THE IDLER GEAR WEB HAD FAILED. ALSO, OBSERVED WAS BROKEN DAMPER RINGS, BROKEN RETAINING RINGS AND A SDR 95ZZZX981Bearing · crackedTHE GEARCASE WAS RETURNED FOR 'MAKING METAL'. THE UNIT WAS DISASSEMBLED. EXAMINATION OF INTERNAL HARDWARE REVEALED A CRACKED INNER BEARING RACE ON THE PROPELLER SHAFT FORWARD ROLLER BEARING. REF. CMM 72-11-02.SDR 95ZZZX2577Bearing · wornEXCESSIVE WEAR TO BALL BEARINGS. REPLACED WITH NEW UNIT. CORRECTED PROBLEM.SDR 95ZZZX2574Bearing · wornEXCESSIVE WEAR TO BALL BEARINGS. REPLACED WITH NEW UNIT. CORRECTED PROBLEM.SDR 95ZZZX3729Washer · crackedDURING DETAILED INSPECTION OF PLANETARY ASSEMBLY, PN 3073037-1/2, WASHERS HAVE BEEN FOUND CRACKED ON SEVERAL TFE 731-2/3 ENGINES. CURRENT MAINTENANCE MANUALS DO NOT REQUIRE REMOVING THIS BEARING CAGE TO ACCOMPLISH INSPECTION OF GEAR ASSEMBLY. SEE LIGHT MM 72SDR WWMA9500014Air Oil Seal · defectiveFLIGHT NR 5240 (SAN/LAX) PILOT REPORTED, LEFT BLEED AIR SMELLING LIKE COMPRESSOR WASH AGENT. MAINTENANCE FOUND OIL LEAKING FROM LEFT HAND GEAR CASE CARBON SEAL INTO INTAKE. MAINTENANCE REMOVED AND REPLACED COMPRESSOR AIR OIL SEAL CARBON AND ROTOR. THE AIRCRSDR 95ZZZX1060Relay · malfunctionNR 2 ENGINE CHIP LIGHT ILLUMINATED. REPLACED NR 2 ENGINE CHIP RELAY (K8). SYSTEM CHECKED AND FOUND TO OPERATE NORMALLY.SDR WWMA9500013Gearbox · defectiveFLIGHT NR 5069 (LAX/FAT) PILOT REPORTED RIGHT HAND ENGINE SHUT ITSELF DOWN INFLIGHT. AN EMERGENCY WAS DECLARED AND THE ACFT LANDED IN FAT WITHOUT INCIDENT. MAINTENANCE PERSONNEL DETERMINED THAT THE GEARBOX HAD FAILED AND PART OF THE BULLRING WAS LAYING IN THSDR 95ZZZX1811Bearing · spalledTHE NR 6 BEARING WAS FOUND WITH SPALLING ON ONE INNER RACE HALF AND SEVERAL OF THE BEARING BALLS. SUBMITTER BELIEVES THE SPALLING TO BE INTRODUCED BY THE STATIC PROBLEMS THAT ARE KNOWN TO BE ASSOCIATED WITH THE PROPELLER SYSTEM.SDR 95ZZZX1845Sun Gear · failedINDICATIONS ARE THAT THE FAILURE OCCURRED IN THE 1ST STAGE GEAR REDUCTION AREA. THE INVESTIGATION CENTERS AROUND THE 1ST STAGE GEAR AND THE 1ST STAGE SUN GEAR AREA.SDR 95ZZZX1809Bearing · spalledTHE METAL OBSERVED IN THE ENGINE WAS BEING GENERATED BY THE NR 6 BEARING. SUBMITTER SUGGESTS FOCUSING INVESTIGATION ON THE PROPELLER ASSY AND ITS KNOWN STATIC PROBLEMS.
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