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 ASAA11510643Hmu · malfunctionedCLIMB THROUGH APPROX 26500FT ENG NR 1 SURGED N1 EXCEEDANCE FOLLOWED BY ENGINE GOING TO NEAR IDLE. ENG FAILURE INDICATION APPROX 15 MINS INTO FLT. ENGINE LIMIT/SURGE/STALL CHECKLIST PERFORMED ENGINE STABILIZED AND OPERATED NORMALLY FOR RETURN TO SEA. DIV TIMSDR MYWA110115Hmu · malfunctionedETOPS SIGNIFICANT SYSTEM: NR 2 ENG SLOW TO ACCELERATE. FAULT CODE 75-10392. REMOVED AND REPLACED NR 2 ENGINE HMU PER B737-800 AMM 73-21-10 OPS CHECK NORMAL. NO LEAKS NOTED AT THIS TIME.SDR CA111103006Spline · broken(CAN) THE GOVERNOR WAS REMOVED FOR SPOOL BEARING CHANGE IAW SB LTS101-73-20-0262 & THE REPAIR SHOP DISCOVERED THE BROKEN DRIVE SPLINE. THIS WOULD NOT HAVE BEEN VISIBLE ON REMOVAL BECAUSE THE BITS ARE HELD IN WITH THE SPRING.SDR COMA2011110290034Linkage · brokenON DESCENT INTO MEM RECEIVED RT FADEC CAUTION MSG. EMERGENCY DECLARED, FOLLOWED QRH PROCEDURE, PERFORM IFSD ON RIGHT ENGINE. NO ABNORMAL ENGINE INDICATIONS PRIOR TO SHUTDOWN, A/C LANDED SAFELY IN MEM. FOUND RIGHT ENGINE O/B VG LINKAGE BROKEN. REMOVED AND RSDR CA111109009Metering Valve · inoperative(CAN) DURING FLIGHT, THE PILOT EXPERIENCED A RESTART FAULT CAUTION LIGHT. HE THEN RETURNED TO BASE, DURING SHUTDOWN A FADEC DEGRADED CAUTION LIGHT CAME ON. HE NOTIFIED MX STAFF. THE FADEC SYS INDICATED THERE WAS A PROBLEM IN THE HMU METERING VALVE WITH A FASDR UALA2011102105686Switch · failedNR 2 ENGINE HAD SMOKE EMITTING FROM EXAUST PIPE AFTER SHUTDOWN. CREW HAD NO EICAS MESSAGES OR INDICATIONS THE ENGINE WAS NOT SHUT DOWN. RAMP STATED IT SOUNDED LIKE THE ENGINE TRIED TO LIGHT OFF WHILE IT WAS SMOKING. RT SPAR FUEL VALVE MESSAGE APPEARED AFTERSDR UALA2011101805641Relay · failedRIGHT ENGINE HIGH PRESSURE FUEL SHUTOFF VALVE (HPSOV) OR RIGHT SPAR FUEL VALVE POSITION DISAGREES WITH COMMANDED POSITION. RT ENG SHUTDOWN ABNORMAL AFTER FUEL CONTROL SWITCH TO OFF, FUEL FLOW VARIED. REMOVED & REPLACED MAIN FUEL PUMP FILTER. FOUND FILTER CSDR ASAA11510544Stator · defectiveWHILE ACCOMPLISHING TASK CARD 78273000 ENGINE NR 2 LOGGED SHORT TIME FAULT CODE 73 21272 (THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE.) PERFORMED FIM TASK 73 27 00 810 804 F00 ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. AT STEP F3 FOUND SDR CA111018002Fadec · inoperative(CAN) ON DESCENT PASSING APPROX 7,500FT, NR 2 ENG FADEC CAUTION LIGHT ILLUMINATED FOLLOWED BY NR 2 FADEC WARNING LIGHT AND NR 2 ENG OIL PRESSURE LIGHT. WE CONDUCTED THE ENGINE SHUTDOWN DRILL AND COMPLETED THE QRH. THE LANDING WAS UNEVENTFUL. REPORT FROM LINSDR VY1R201110120710Seal · misinstalledFUEL LEAKING FROM HP PUMP OVERBOARD DRAIN. FUEL AMOUNT BEYOND SPECIFIC LIMIT. REPLACEMENT OF THE VARLIP SEAL WAS NECESSARY. THE SEAL HOUSING APPEARED TO BE INCORRECTLY SEATED IN THE HMU WHICH RESULTED IN THE SEAL BEING DESTROYED BY THE PRESSURE ON THE SHAFTSDR REXA201100700Fuel Control · misriggedLT ENG SHUT DOWN / FLAME OUT ONCE THE TRUST REVERSER WAS STOWED AFTER LANDING. CREW DID NOT DELCARE AN EMERGENCY. RIGGED LT MFC IAW CRJ AMM 73-21-01, PERFORMED ENGINE POWER RUNS OF LT ENG AT RUN PAD IAW AMM 71-00-00. OP CHECK NORMAL. OK FOR SERVICE.SDR ASAA11510485Hmu · faultyLEFT ENGINE LIGHT ON AFTER LANDING. RESISTANCE BETWEEN PIN 2D TO CONNECTOR SHELL OF CONNECTOR DP0501MODS LESS THAN 10M REF FIM TASK 75 23 00 810 801. FAULT CODE 75 10581. REPLACED NR 1 ENGINE HMU PER 737NG MM 73 21 10 400 801 NR 1 ENGINE CONTROL LIGHT "OFF"SDR 2011FA0000667Fadec · malfunctionedRECEIVING INTERMITTENT ECU B FAILURE ON LT ENGINE. EVENT LOG SHOWS CAM SENSOR FAILURE. PROBLEM OCCURS RANDOMLY AND NOT BEEN ABLE TO ISOLATE TO PHASE OF FLIGHT OR OPERATING CONDITIONS. PILOT ABLE TO RESET AND CONTINUE WITH NO FURTHER ISSUES, BUT SPORADICALLYSDR C2XA11TY153Metering Unit · inoperativeACFT HAD ENGINE NR 1 UNCOMMANDED SHUTDOWN ON APPROACH. MAINTENANCE REMOVED AND REPLACED NR 1 FPMU. OPS AND LEAK CHECKED GOOD AIRCRAFT RELEASED AND RETURNED TO SERVICE.SDR HALA2011100500430Unknown · unknownETOPS SIGNIFICANT SYS - BTB -NR 2 ENGINE OVERSPEED PROTECTION LOST. ENGINE NR2 LP SHAFT PROTECTION LOST. ACCOMPLISHED FIM 73-21-89. NO FAULTS NOTED. ACFT OK FOR SERVICE.SDR C2XA11IA230Fmu · malfunctionedRAP - FLIGHT 6158, ON APPROACH TO RAP FROM DEN THE CREW REPORTED A NUMBER ONE ENGINE UNCOMMANDED SHUTDOWN. THE AIRCRAFT LANDED AT RAP WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER ONE FPMU, OPERATIONALLY AND LEAK CHECKED WITH NO DEFECTS, AND SDR UALA2011100305354Fmu · malfunctionedNR 1 ENGINE SLOW TO SHUTDOWN. FLT CREW CYCLED SHUTOFF SWITCH AND IT TOOK 15 SECONSDS BEFORE ENGINE SHUTDOWN. REPLACED FMU, RESET FIRE HANDLE. OP CHECKED OKAY.SDR UALA2011092905285Relay · faultyLEFT ENGINE WILL NOT SHUTDOWN UNLESS TEE HANDLE IS PULLED. MAINT RAN 3 TIMES & CHECKED GOOD. REMOVED & CLEANED FMU CONNECTOKR AND RAN ENGINE AGAIN BUT FAILED THIS TIME WITH STATUS MESSAGE FOR LEFT FUEL VALVE. FAULT MESSAGE SHOWS 73-6021 1. POSSIBLE FMU ANSDR UALA2011092905276Fmu · malfunctionedREJECTED TAKEOFF AT 100 KNOTS. ACFT YAWED TO THE RIGHT. MAX AUTOBRAKES ENGAGED ACCOMPLISH INSPECTION IAW AMM, INSPECTION AFTER BRAKE EMERGENCY APPLICATION. FOR REFERENCE, THE FLT CREW REPORTED THAT THEY DID NOT SEE ANY BRAKE TEMPS OVER 510. ACCOMPLISHED BRSDR ASAA1150455Sensor · defectiveON TAKEOFF USING 24K REDUCED POWER (92.1 N1) LEFT ENGINE WAS MOVING BETWEEN 90 N1 93 N1. AUTOTHROTTLES DISENGAGED REDUCED POWER TO APPROX 75 PERCENT N1 AND ENG RAN NORMAL. HOWEVER WITH AT OFF AND POWER AT 25K (CLIMB POWER) ENGINE STILL FLUCTUATING. RETURNEDSDR HALA2011092900420Warning Light · false activationETOPS SIGNIFICANT SYS -BTB- LEFT ENGINE EEC MODE EICAS DISPLAY PRIOR TO T/O. PERFORMED FIM 73-21-00/101, FIG 113 IAW FIM SYS IS OK. EICAS MSG "LT ENG EEC MODE" EXTINGUISHED.SDR ASAA11510399Control Module · faultyFOUND NR 1 ENG CONTROL LIGHT WILL NOT TEST. DUPLICATED DEFECT NR 1 ENG CONT LT WONT TEST WITH LIGHTS TEST. REPLACED ENG CONTROL MODULE REF MM:73 21 12 OPS TEST ALL CHECK NORMAL.SDR AALA20110918DFW01Flex Line · leakingDFW - CREW REPORTED LEFT ENGINE NO RESPONSE, 2 KNOB THROTTLE SPLIT, EGT IN AMBER AND N1 & N2 FLUCTUATIONS. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED PT7 FLEX LINE GOING INTO PYLON THAT WAS LEAKING. SYSTEM GROUND CSDR CA111004010Hmu · inoperative(CAN) ENGINE NR 2 WAS EXPERIENCING NUMEROUS HMU REGULATOR 8 DETECTION FAULT MESSAGES FROM REMOTE DIAGNOSTICS (TREND MONITORING VENDOR). THESE EMAIL MESSAGES INDICATE THE RISK OF "LOSS OF THRUST CONTROL" DUE TO A SPINNING BYPASS VALVE WITHIN THE HMU. MFG ISSUESDR C2XA11IA213Control Module · defectiveDRO - FLIGHT 6077, THE CREW REPORTED SELECTING "CLB" THRUST DURING TAKEOFF RESULTED IN A T/O 1 DISPLAY ON EICAS (INADEQUATE THRUST POWER) AND AFTER SELECTING CRZ, THE CREW COULD THEN SELECT E-CLB. MAINTENANCE REMOVED AND REPLACED THE THRUST CONTROL MODULE, ANSDR JJBA20110912001Mfc · malfunctionedFLIGHT CREW REPORTED THAT THE NR2 FUEL FLOW FLUCTUATION, WITH TQ 20 PERCENT AND ACFT WAS YAWING. MX R & R NR2 MFC AND PERFORMED GROUND RUNS WITH NO DEFECTS NOTED. ALSO PERFORMED OCF AND ALL CHECKS WERE SATISFACTORY.SDR UALA2011090704863Switch · faultyRT ENGINE WOULD NOT SHUTDOWN WITH FUEL CTRL SWITCH HAD TO PULL FIRE HANDLE. REPLACED ENG CUTOFF SWITCH. ACP TWO GOOD STARTS & SHUTDOWNS.SDR NSVA2011184Hmu · failedFLIGHT 4975 IAH AEX AC 198CJ RETURNED TO FIELD DUE TO RT ENGINE ITT/RPM/IGNITION LIGHTS. REPLACED NR 2 HMU.SDR ASAA11510339Hmu · failedFOUND FAULT CODE 73 20341 FMV OUT OF RANGE ON NR 1 ENG SHORT TERM FAULT. ACCOMP FIM 73 25 803 & 75 34 819 CONTINUITY AND RESISTANCE CHECKS NORMAL. EEC BITE CTRL LOOPS INPUT MONITORING SHOWS NO FMV DATA CHANNEL B. ELECTRICALLY SLAVING IN SERVICEABLE HMU CAUSSDR CA110909003Manifold · cracked(CAN) THE OPERATOR REPORTED THAT AN INFLIGHT SHUTDOWN OCCURRED ON ONE OF THEIR ACFT. CIRCUMSTANCES ARE UNKNOWN, POST FLIGHT INSPECTION REVEALED A CRACK AROUND A FUEL MANIFOLD BOSS ON THE GAS GENERATOR CASE. THE ENGINE WILL BE REMOVED AND FORWARDED FOR INVESTSDR HALA2011082400386Warning Message · illuminatedETOPS SIGNIFICANT SYS -BTB- ECAM MESSAGE ENG 1 OVSPD PROT FAULT. ACCOMPLISHED TSM 73-21-810-921A, AMM 73-21-00-710-812A FADEC BITE TEST, AND AMM 73-25-34-740-820A EIVMU BITE TEST. RAN ENGINE FOR 5 MINUTES. NO FAULTS NOTED ON MOTORING AND GROUND REPORT. OK FSDR PNSA20110823001Hmu · malfunctionedERRATIC TRQ NR 1 ENGINE - TRQ MOTOR LOCKOUT FIXED PROBLEM. RETURNED TO ANC. MAINT REMOVED AND REPLACED THE HMU AND THE DECU.SDR CA110816005Line · leaking(CAN) ON TAKEOFF, EXPERIENCED A LEFT ENGINE FIRE. FLIGHT CREW REPORTEDLY HEARD TWO LOUD BANGS ON TAKEOFF, FOLLOWED BY AN EICAS FIRE WARNING FOR THE LT ENGINE, THERE WAS NO INDICATED LOSS OF POWER. FLIGHT CREW FOLLOWED PROCEDURES IAW THE QRH. BOTH FIRE BOTTLSDR HNAA2011081700259Pcu · failedNR 2 ENGINE SPOOLED DOWN DURING TAKEOFF ROLL. REJECTED TAKEOFF. PERFORMED ECU ON AND OFF, POWER RUN IAW RUN UP MANUAL WITH CREW. OK FOR SERVICE. NR2 ENGINE TORQUED SURGE BETWEEN 110 AND 75. PROP RPM REMAINED STEADY. TORQUE SURGE STOP WITH REDUCTION OF POWSDR NSVA2011178Valve · defectiveAT FL110 CREW HAD THE FADEC FAULT LIGHT ILLUMINATE. THEN ENGINES WERE INDICATING NORMAL. CREW FOLLOWED QRH AND CONTINUED TO ALB. DECLARED AN EMERGENCY FOR PRIORITY HANDLING AND LANDED WITHOUT ISSUES. CHANGED NR 1 P2.7 VALVE AND EXITER BOX. OPS CHECKED GOOSDR FDEA201108123252Mec · failedON DECENT, NR 3 ENGINE BECAME UNCONTROLLABLE, A/T OFF OR A/T ON, ENGINE SURGE +/- 20 PERCENT ALL INDICATION. ENGINE SHUTDOWN PERFORMED AND WINDMILLED APPROX 20 MINUTES. R & R NR 3 ENGINE CIT SENSOR, REF AMM 73-20-02-2. INSTALLED NR 3 ENGINE MEC AND FUEL PUSDR UALA2011081104232Eec · faultyT2P2 PROBE HT MESSAGE ON LEFT PIMU AFTER LH EEC REPLACEMENT AND ENG RUN. SUPPLEMENTAL DATA UPDATE REPLACED NR 1 EEC. REPLACED EEC ALTERNATOR STATOR. REPLACED N2 ENGINE SPEED DISCRETES CARD ASSY.DUE TO CONTINUED L EEC MODE MESSAGE AFTER NUMEROUS PARTS REPLACED SDR CA110808005Tube · corrodedDURING A RECENT FUEL SYS TEST ON ACFT, TUBE ASSY WAS FOUND TO BE LEAKING DUE TO A PIN HOLE SIZED BREACH IN THE FITTING WALL. FURTHER INVESTIGATION REVEALED THE FITTING AND TUBE HAD CORRODED DUE TO ANODIZE RESIDUE THAT MAY NOT HAVE BEEN THOROUGHLY RINSED DURINGSDR UIEA2011073100400Fuel Filter · failedDURING CRUISE, NR 2 ENG ROLLED BACK TO IDLE. NO RESPONSE TO THROTTLE MOVEMENTS. APPROX 5 SEC LATER OIL PRESS DROPPED TO ZERO QTY OK. TROUBLESHOT IAW MM FIM 71-00-42 CHECKED CDP TUBES, POWER LEVER CABLE, CHIP DETECTORS, FUEL FILTER- N.T.F PERFORMED VSV-VBV RSDR ASAA11510187Eec · warning messageACQUIRED FAULT CODE ON EEC BITE TEST. FAULT CODE 77 20862 NR 2 ENG BOTTOM LEFT EGT SIGNAL OUT OF RANGE. GROUNDED YES. NR 2 ENG SHOW NO RECENT FAULTS EEC TEST CHECKED NORMAL. NO DEFECTS NOTED AT THIS TIME DURING EGT IND CLEANING & EGT PROBS ALL WITHIN LIMITS.SDR CA110801004Drain Valve · failedENGINE START IS NORMAL AT THE BEGINNING, BUT T4 DROPS SUDDENLY AROUND 35 TO 47 PERCENT, AND THE START FAILS (INTERMITTENT PROBLEM WHEN ACFT IS STARTED MORE THAN 1.5 TO 2 HRS AFTER LAST SHUTDOWN). DURING 30 SECOND BOOST-PUMP ON, BEFORE START, IT IS DISCOVEREDSDR ERAA201100007Unknown · malfunctionedPILOTS REPORTED PRECAUTIONARY SHUTDOWN OF NR 1 ENGINE AFTER ERRATIC FUEL FLOW AND TORQUE INDICATIONS ON DESCENT, NO CAUTION LIGHTS ILLUMINATED. MX REPLACED NR 1 ENGINE PCU, O/S GOVERNOR AND PROPELLER HIGH PRESSURE PUMP FOR FERRY FLIGHT TO MX BASE. FDR DATA DSDR UALA2011072203745Eec · faultedNR 1 ENG STALL AT TOP OF DESCENT. DUE TO REPEAT HISTORY OF ENGINE NR 1 STALL ECAM MESSAGES, REPLACE THE STAGE 7 BLEED VALVE 7C, 7C BLEED VALVE SOLENOID AND THE EEC PRECAUTIONARY. REPLACED EEC & 7C BLEED VALVE & 7C BLEED SOLENOID.SDR UALA2011071703615Housing · leakingFUEL LEAKING FROM RT HST INBD PCU HOUSING DRAIN HOLE. BOROSCOPED RT INBD HST PCU ACT HOUSING. FOUND SEVERAL LEAKS AT INBD SIDE FASTENERS MID SECTION.BLOWN BACK TO CLEAN AND VERIFIED SOURCE OF LEAK. DEFUELED HST AND SUMPED. BLOW BACK SUSPECTED AREA, NO LEAKSDR ASAA11510095Eec · faultedWHILE ACCOMPLISHING T/C 78273000 A FAULT WAS FOUND ON ENG 2 MESSAGE 73-10812 LONG TERM FAULT T 12 IS OUT OF RANGE. AVIONICS FOUND MULTIPLE INTERNAL EEC FAULTS REPLACED NR 2 ENG EEC REF MM 73-21-60. ALL OPS TEST GOOD.SDR UALA2011071503600Eec · failedNR 1 ENG "LIMIT PROTECTION LIGHT " ON PEDESTAL AND EICAS MSG DISPLAYED. REPLACED NR 1 ENGINE EEC IAW AMM. MR73237 ON 26 OFF 2. IDLE RUN AFTER 30 SECONDS INCREASES IN FF 1.6 AND N2 73 PERCENT ON OWN. NOW HAVE P PMA EEC AND S PMA EEC MSGS ON EPCS. EEC NO HELSDR IPXA1567756Eec · inoperativeCREW SHUTDOWN LT ENGINE DUE TO LOW OIL PRESSURE. DECLARED AN EMERGENCY. ACFT LANDED WITHOUT INCIDENT. R & R LEFT ENG EEC IAW AMM 73-21-04-4. C/W POWERPLANT ADJ TEST 7 IAW AMM 71-00-00-5. TESTS GOOD.SDR ASAA1159975Hmu · faultedFMC/CDU BITE CK FAIL NR 1 ENG SHORT TIME FAULT OF 50 HRS MESSAGE NR 73 20341 THE VMF POSITION SIGNAL IS OUT OF RANGE. ACCOMPLISHED EEC BITE FAULT STILL ACTIVE EVERY LEG (73 20341 IS ONLY FAULT). REF FIM 73 25 803 STEP F.(4): TABLE 205 PIN 16 34 SHOWS OPEN. SDR C2XA11IA137Fadec · inoperativeIAH - FLIGHT 3038, THE CREW REPORTED THAT THE NUMBER TWO ENGINE FADEC WAS COMMANDING THE HIGHEST THRUST RATING AND WOULD NOT STAY SET AT A LOWER RATING. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED FADEC 2A,SDR MYWA110053Hmu · malfunctionedETOPS SIGNIFICANT SYSTEM: NR 2 ENG CONTROL LIGHT CAME ON DURING LANDING. REMOVED AND INSTALLED HMU PER AMM 73-21-10 RAN ENGINE & TESTED PER AMM 71-00-00, ALL CHECKS GOOD.
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