JASC 7320
Service difficulty reports · 4,393
Reports filed under 7320 · Fuel Controlling System, 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 = '7320' 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 = '7320' 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 HEEA076595Fuel Control · malfunctionedCAUSING TORQUE OSCILLATIONS OF 10-15 PERCENT AT A HOVER. REPLACED WITH SERVICEABLE PART.SDR CUC2001F00000Line · crackedWHILE TROUBLESHOOTING NR 1 ENGINE FOR SLOW START, FOUND P3 LINE AT FILTER HOUSING CRACKED. REPLACED P3 LINE ASSEMBLY WITH NEW. LINE WAS CRACKED ON BACK SIDE, FLUSH THE P3 HOUSING.SDR KBMA111961Fuel Control · inoperativeFUEL DROPS FROM DECELERATION DRAIN. REPLACED WITH SERVICEABLE UNIT. REPLACED WITH SERVICEABLE UNIT.SDR HEEA076466Fuel Control · malfunctionedENGINE SURGING DURING POWER CHANGES CAUSING AIRCRAFT TO YAW. REPLACED WITH SERVICEABLE FUEL CONTROL.SDR ERAA076657Governor · wornSPLINES ON DRIVESHAFT OF GOVERNOR IS WORN. MAX GOVERING DROOPS OFF 300 RPM TO EARLY. THROTTLE BUSHING VERY SLOPPY WORN SPLINES ON DRIVESHAFT AS WELL AS THE MATING FACE OF THE SPOOL BEARING EXHIBITED HEAVY WEAR FROM THE GOVERNOR WEIGHT FEET. ECCENTRIC SHAFT SDR ERAA076656Governor · malfunctionedNR 1 GOVERNOR IS SLOW,NR HIGH WITH REDUCED POWER. TEST RESULTS INDICATE GOVERNOR WAS DROOPING OFF SLIGHTLY (100 RPM) SEVERAL INTERNAL BEARINGS PN 2520503 & 2523237 FOUND DRY AND ROUGH. THROTTLE BUSHING WORN ALLOWING SHAFT TO HAVE EXCESSIVE PLAY. ECCENTRIC SSDR ERAA076655Governor · malfunctionedGOVERNOR OCCASIONALLY DROOPS IN FLIGHT. TEST RESULTS CONFIRM SNAG OF DROOP. UNIT WAS DOOPING BY 250 RPM @ T.P. 3.01 ECCENTRIC SHAFT FOUND CORRODED AND WORN BEYOND LIMITS ON LOBES. BEARINGS PN 2520503 AND 2523237 FOUND TO BE ROUGH AND DRY. ACTION TAKEN: ABOSDR HEEA076388Valve · stuckVALVE STICKING. REPLACED WITH SERVICEABLE VALVE.SDR HEEA076249Valve · malfunctionedNG AND TORQUE FLUCTUATIONS. PENDING VENDOR RETURN.SDR CA011017005Shutoff Valve · leaking(CAN) ON SHUTDOWN OF THE LT ENGINE THE CREW REPORTED THE RPM WAS SLOW TO DEGRADE ACCOMPANIED WITH A RISING EGT. THE ENGINE EVENTUALLY SLOWED AND STOPPED WITH EXCESSIVE AMOUNTS OF SMOKE COMING FROM EXHAUST.A SUBSEQUENT INSPECTION REVEALED THAT THE LT FUEL SHUTOSDR AWXA200100475Sense Line · severedMCI - DIVERTED FLT - FLT 807 - ENROUTE FROM BWI TO PHX, FL 390, THE NR 2 ENGINE WOULD NOT PRODUCE COMMANDED POWER AND THE AIRCRAFT DIVERTED TO MCI MAKING AN UNEVENTFUL LANDING. MAINTENANCE TROUBLESHOT AND FOUND THE NR 2 ENG P-1 AIR SENSE LINE, PN UL16688 CHAFFSDR 2002F00059Fmu · defectiveON CLIMB-OUT FROM JFK, NR 2 WAS SHUT DOWN FOR LOW RPM. NO RESTART OF NR 2 ENGINE WAS ATTEMPTED. THE AIRCRAFT WAS POSITIONING FROM JFK TO XNA FOR A SCHEDULED A-CHECK. REMOVED AND REPLACED NR 2 ENGINE FUEL METERING UNIT. LEAK AND OPERATION CHECK GOOD IAW MD-SDR WRLA200115Fmu · malfunctionedDURING DESCENT, NR 2 ENGINE 'SELECTED FADEC ALT' AND FADEC MAINT' ALERT WITH ENGINE AT VERY LOW FUEL FLOW 'RPM LOW' ALERT THEN ILLUMINATED ENGINE SHUTDOWN IAW CHECK LIST. ONE RESTART ATTEMPTED, SAME CONDITIONS ENGINE SHUTDOWN AND SECURED IAW CHECKLIST LANDED.SDR WRLA200116Fmu · failedON CLIMB-OUT OF JFK, NR 2 WAS SHUTDOWN FOR LOW RPM, NO RESTART OF NR 2 ENGINE WAS ATTEMPTED. THE AIRCRAFT WAS POSITIONING FROM JFK TO XNA FOR A SCHEDULED A-CHECK. REMOVED AND REPLACED NR 2 ENGINE FUEL METERING UNIT. LEAK AND OPERATION CHECK GOOD IAW MD-11 MSDR MALA010699EcuDuring descent on Flight #3531, #3 Engine was in a sub-idle Power setting into DTW. 15% N1, 45% N2, Oil Pressure 35 PSI, after Landing EGT started to climb past 560. Crew shutdown Engine.Maintenance replaced #3 Engine ECU IAW RJ85 AMM Ch73-20. PN 2-303-493-SDR HEEA075947Fuel Control · out of adjNO TOPPING ADJUSTMENT LEFT. REPLACED WITH SERVICEABLE PART.SDR AC2A075854Fuel Control · malfunctionedENGINE WENT TO 40.6 PERCENT N1 UPON LANDING. REPLACED FUEL CONTROL.SDR CA010906006Fuel Control · intermittent(CAN) A/C IN QUESTION IN RED LAKE & ON ITS BACKTRACK.EVERYTHING INDICATING NORMAL.FLT IDLE ASKED FOR & WHEN LEVER SET FOR FLT IDLE IT NOTICED GEN 1 LIGHT CAME ON. ENGINE IN PROCESS OF FLAME OUT & CONTINUED UNTIL STOPPED. MAINT CONTACTED & INSP ENGINE FROM FRONSDR ABXA010448Line · brokenDURING CRUISE, THE NR 2 ENGINE AT 240, A LOUD BANG OCCURRED WITH AN IMMEDIATE DROP IN THE EPR FROM 1.85 TO 1.60. N1 AND N2 DROPPED APPROXIMATELY 20 PERCENT FROM THE PREVIOUS SETTING. NO OTHER WARNING INDICATED. EMERGENCY DECLARED. AIR DIVERTED INTO STL. FOSDR SABA010044Valve · bypassingAircraft 963 on flight 5100 from CLT to HTS. During takioff roll the left engine would not respond to power lever movement Takeoff was aborted. No evergency procedures were used. After the aircraft cleared the runway, the crew performed a ground run. The SDR 2001F00697Actuator · intermittentTHROTTLE TRIM LINK ACTUATOR, OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)SDR EIA2001240Line · failedSUU - WHEN CLIMBING THROUGH FL300 TO FL380 NR 1 ENGINE HAD AN UNRECOVERABLE COMPRESSOR STALL, EPR WAS APPROX 1.49, WHEN STALL OCCURRED N1 AND N2 DECREASED EGT INCREASED THEN DECREASED PEAKING AT 850 DEGREE SHUTDOWN, RESTARTED ENGINE. PARAMETERS NORMAL AFTER RSDR SWIA200110122Hmu · malfunctionedLEFT ENGINE TORQUE SURGE FROM 71% TO 100% WITH ASSOCIATED YAW ON TAKEOFF.REMOVED AND REPLACED HMU AND FUEL PUMP PER EMB120 MM 73-21-00, 73-13-00. RAN LEFT ENGINE PER 71-00-00. OPS CHECK GOOD. NO LEAKS NOTED.SDR 2001F00270Diaphragm · leakingPILOT DID A PRECAUTIONARY RIGHT ENGINE SHUTDOWN BECAUSE THE ENGINE WAS NOT RESPONDING TO HIS INPUTS. FOUND THE P3 DIAPHRAGM ON THE FUEL CONTROL UNIT WAS LEAKING. (M)SDR 2001F00269Diaphragm · leakingPILOT DID A PRECAUTIONARY RIGHT ENGINE SHUTDOWN BECAUSE THE ENGINE WAS NOT RESPONDING TO HIS INPUTS. FOUND THE P3 DIAPHRAGM ON THE FUEL CONTROL UNIT WAS LEAKING. (M)SDR CA010822021Fuel Control · malfunctioned(CAN) LOW ENGINE FUEL BOOST PRESS LITE NR 1 ILLUMINATED IN FLIGHT.ALL ENGINE PARAMETERS NORMAL WITH CRUISE POWER SET. POWER WAS REDUCED FOR ANTICIPATION OF ROUGH AIR ON DESCENT.WHEN POWER WAS CALLED FOR AGAIN NONE WAS AVAILABLE. ENGINE SHUT DOWN FOR REST OF SDR N9W2002F00000Ring Gear · failedENGINE SHUT DOWN DUE TO FAN SHAFT RING GEAR PN 30770774-1 CAME APART. THE CAUSE OF FAILURE IS NOT KNOWN. PARTS SENT TO MFG FOR ANALYSIS.SDR SWIA200110095Hmu · malfunctionedLEFT ENGINE WOULD NOT PRODUCE OVER 40 PERCENT TORQUE BEFORE T/O AURAL WARNING SOUNDED. THIS HAPPENED TWICE. T/O WAS ABORTED TWICE.REMOVED THE LEFT ENGINE HMU AND INSTALLED A SERVICEABLE HMU. GROUND OPS CHECK AND LEAK CHECK GOOD IAW EMB MM 73-21-00.SDR GLBA2001179Line · looseLEFT ENGINE NOT MAKING TORQUE. TIGHTENED LOOSE PY LINE, OPS CHECKED SATISFACTORY.SDR EVA003Engine · flamed out1. AIRCRAFT B-16103 DURING CRUISE 5 MINUTES BEFORE TOD, "ENG 2 RPM LO" LEVEL 2 ALERT APPEARED. FOLLOWED CHECK LIST, AIR RESTART WAS SUCCESSFUL.2. ON GROUND, CHECK CFDS NO RELATED FUALT FOUND.3. CHECK ENGINE CONDITION ALL NORMAL. EEC TEST PASS. PERFORM ENGINE RSDR ERAA074831Fuel Control · misoverhauledFUEL CONTROL OVERHAULED BY HONEYWELL 2/23/01. UNIT IS SLOW STARTING AND HANGS AT 55 PERCENT. RETURNING ON ERA REPAIR ORDER RW-885436 REQUESTING WARRANTY REPAIR.SDR 2001FA0000301Spring · defectiveTHE FUEL CONTROL OVERCENTER SPRING IS SO STRONG THAT IS WILL RUN THE RPM AND TOUQUE UP UNCOMMANDED. THIS TIME IT CAUSED AN OVER TORQUE OF 115 PERCENT FOR 1 SECOND.SDR 2001F00219Valve · inoperativeON APPROACH, AFTER THROTTLES WERE RETARDED, NR 1 ENGINE SPOOLED DOWN AS NORMAL. WHEN POWER WAS APPLIED, NR 1 ENGINE FAILED TO SPOOL UP. AFTER LANDING, NR 1 THROTTLE WAS CYCLED BACK AND FORTH WITH N1, N2 OR FUEL FLOW. ENGINE HAD SHUT DOWN. NR 1 GENERATOR THSDR LS1R074930Motor · noisyPART IS NOISY.SDR 2001FA0000120Swivel · separatedINSTALLED BALL JOINT OR SWIVEL PN S2999-1 ON MIXTURE CONTROL CABLE FRONT AND REAR ENGINES AT TIME OF ENGINE INSTALLATION. A/C WAS TEST FLOWN AND FERRIED TO PAINT SHOP AND RETURNED. PREVIOUS TO ANY ADDITIONAL ADJUSTMENT AND WHILE IN THE COCKPIT PERFORMING A MSDR 2001F00200Line · crackedFLT 1253 - HAV - AFTER TAKEOFF, AT 4,800 FEET, NR 4 ENGINE EXPERIENCED A POWER LOSS. PERFORMED ENGINE FAILURE IN FLIGHT CHECK LIST. REMOVED AND REPLACED NR 4 ENGINE P3 LINE. RAN ENGINE. OPERATIONAL CHECK NORMAL. (M)SDR AALA20011308Valve · leakingCLT - FLT 1855 - EN ROUTE CLT-DFW - ON CLIMB-OUT, DETECTED LEFT SIDE ENGINE STALL. RETURNED CLT AND LANDED WITHOUT FURTHER INCIDENT. REPLACED LEFT SIDE ENGINE. REPLACED LEFT SIDE FUEL P AND D VALVE. ACCOMPLISHED LEAK CHECK. NO LEAKS NOTED. SYSTEM GROUND SDR SIMA200117403Module · malfunctionedSBA - FLT 3037 - ON TAKEOFF ROLL, LEFT ENGINE APR DID NOT ARM. ABORTED TAKEOFF. ISSUED MEL 76-02. (M)SDR HEEA073537Hmu · noisyLOUD HUMMING NOISE IN ENGINE COMPARTMENT WITH BOOST PUMPS ON. REPLACED WITH SERVICEABLE PART.SDR DL78K011033Hmu · faultyDURING PREFLT, FOUND NR 2 ENG SHUT DOWN INADVERTENTLY AND WOULD NOT RESTART. FOUND HMU INOP. REPLACED HMU.SDR STZ2001F00000Fuel Control · malfunctionedON IFR APPROACH, LEVEL AT 3400 FEET IN CLOUDS, AIRSPEED JUST UNDER 200 KNOTS, THE PILOT DROPPED FLAPS, EXTENDED GEAR, AND REDUCED POWER TO 62 PERCENT. AT THIS POINT, THE NR 2 ENGINE FLAMED OUT. THE PILOT CALLED MISSED APPROACH AND DECLARED EMERGENCY. HE THESDR R7MR33420Hmu · failedFADEC FAULT. LIGHT CAME ON DURING FLIGHT AND COULD NOT BE EXPLAINED, SO IT WAS OPTED TO REPLACE THE HMU. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR DL76L010848Fmu · failedFLUCTUATING PARAMETERS ON NR 2 ENGINE AT CRUISE. REPLACED FMU.SDR 2001UALA00749Computer · failedNR 2 ENGINE HIGH EGT AND FUEL FLOW. *S/D* REPLACED NR 2 ENGINE. POWER MANAGEMENT COMPUTER FAILED SHOP TEST. REPLACED UNIT ON ENGINE.SDR 20010531CW004Control Valve · crackedCRACKED WHERE DIAPHRAGM AND VALVE MEET. BAD CASTING OR DESIGN FLAW.SDR MALA010432Hma · defectiveENGINE NR 2 NX REMAINED AT 43 PERCENT WHILE SEAT AT GROUND IDLE (FADEC NR 2 INOP. RETURNED TO GATE. MAINTENANCE REPLACED NR 2 ENGINE HMA IAW TASK CARD NR 7310-502. ALL SEC CHECKS GOOD AT THIS TIME. REQUIRES OPS CHECK. RAN ENGINE IAW AMM 72-00-00. OPS CHESDR R7MR33301Valve · inoperativeCOMPLETE VALVE ASSEMBLY, UNIT INOPERATIVE. HAS DELAYED SHUT-DOWN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AU010389Hmu · faulty(AUS) RT ENGINE HYDROMECHANICAL UNIT (HMU) FAULTY.SDR SWIA972510Control Cable · out of adjAT TAKEOFF N1 SETTING NOTICED HIGHER THAN NORMAL ITT TEMPS ON RIGHT ENGINE. ALSO AT GROUND IDLE, NOTICED HIGHER THAN NORMAL N1 SPEEDS AT 28 PERCENT. ADJUSTED RIGHT ENGINE VG ACTUATOR FEED BACK CABLE IAW 72-00-00 SPECIAL PROCEDURE 07. RAN CHECK A/C, ALL RAN SDR HEEA072571Fuel Control · malfunctionedENGINE LIGHTS OFF VERY HOT ON ALL STARTS AND THERE IS NO MORE ADJUSTMENT LEFT FOR LIGHTOFF DERICHMENT. IF ACCELERATION IS MOVED BACK, START IS STILL HOT AND ACCELERATION SLOW. PERFORMED PRELIMINARY INSPECTION AND FOUND NO DISCREPANCIES. UNIT TESTED OK.
Back to JASC 7320