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 UIEA2019081204992Relay · malfunctionedEICAS IDLE DISAGREES. REMOVED AND REPLACED SOLENOID RELAY K0433. REMOVED AND REPLACED AIR COND RELAY K207 IAW WD 73-21-19. ENGINE RUN UP NORMAL, NO MESSAGE IAW AMM 71-00-00.SDR CA190809012Eec · malfunctioned(CAN) DURING TAKE-OFF ROLL, #1 ENGINE EEC REVERTED TO MANUAL. THE CREW ELECTED TO ABORT THE TAKE-OFF. TROUBLESHOOTING IS ONGOING. PRATT AND WHITNEY WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND PROVIDE INFORMATION TO TRANSPORT CANADA THROUGH SUBSEQUENT SERVICESDR AALA201908169070Fmu · unreliableAIRCRAFT WAS GROUNDED: PILOT REPORTS AT CRUISE ALT 34000 FT ENGINE EPR WENT TO 0 FOLLOWED BY ECAM WARNING FOR ENGINE 2 FUEL FLOW, ENG 2 GEN AND ENG 2 FAIL. DIVERTED INTO AMA. EMERGENCY DECLARED. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE FMU IAW JOB CARD 73-SDR ASAA2019080230284Fadec · malfunctionedMAINTENACE ENGINE 1 FADEC MESSAGE. GROUNDED - YES. GRND FADEC TEST THROU MCDU IAW AMM 73-22-34. NO FAULT DETECTED. A&P 3571457PERFORMED OPERATIONAL TEST OF THE FADEC REF AMM TASK 73-29-00-861-051-A. NO FAULTS FOUNDSDR UIEA2019080524936Warning Light · no indicationRT "ENG VALVE" LIGHT DID NOT ILLUMINATE ON SHUTDOWN. ENGINE SHUTS DOWN IMMEDIATELY ON SELECTION OF "CUT OFF".(<P>REPLACED RELAY K1252 PER FIM 76-11 FT 808, NO HELP. CYCLED INDICATOR LIGHT AND LIGHT TEST NORMAL. OPERATED SWITCH WITH ENG OFF, LIGHT OPS NORMAL. SSDR CA190801009Solenoid · malfunctioned(CAN) CREW WERE LINED UP FOR TAKEOFF, AS THEY ADVANCED THE SPEED LEVERS THE L/H ENGINE SHUT DOWN. THE AIRCRAFT TAXIED BACK TO THE MAINTENANCE HANGAR ON ONE ENGINE AND MAINTENANCE INVESTIGATION FOUND THE PRIMARY ONLY SOLENOID VALVE ON THE L/H ENGINE HAD FAILED,SDR ASAA2019072830262Eec · faultedPER T/C # 78273000 FOUND MSG # 73-11281, EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE FLIGHT LEG#3, THIS IS SHORT TIME FAULT. GROUNDED - YES. RAN EEC BITE TEST REF B737-900 73-21-00 SYSTEM OP CHECKS GOOD THIS APPEARS TO BE A ONE TIME FAULT.SDR AALA201907299022Unknown · malfunctionedAIRCRAFT NOT GROUNDED: PILOT REPORTS RIGHT ENGINE CONTINUES TO RUN AFTER FUEL CONTROL SWITCH MOVES TO CUTOFF, HAD TO RECYCLE SWITCH. MAINTENANCE ACCOMPLISHED 3 SUCCESSFUL ENGINE START AND SHUTDOWN CYCLES IAW AMM 71-00-00. UNABLE TO DUPLICATE MALFUNCTION.SDR ASAA20190730234Fault Message · false activationENG # 2 MSG # 75-20832. THE T3 SIGNAL IS OUT OF RANGE. LONG TIME FAULT. GROUNDED - YES. T/S PER B737-900 FIM 75-33 TASK 802. PERFORMED EEC BITE AND 75-20832 IS STILL PRESENT ON RECENT FAULTS. PERFORMED EEC TEST PER B737-900 AMM REF 73-21-00-700-804-F00. TEST PSDR CA190726032Switch · failed(CAN) DURING A ROUTINE INSPECTION OF THE PRE BLOCKAGE SWITCH IN ACCORDANCE WITH THE MANUFACTURERS INSTRUCTIONS IT WAS FOUND THAT THE SWITCH FAILED TO CLOSE AT THE CORRECT PRESSURE. (TC# 20190726032)SDR ASAA20190730235Hmu · failedENG VALVE CLOSED LIGHT DID NOT ILLUMINATE BRIGHT BLUE FROM DIM WHEN START LEVER WAS RAISED TO IDLE; INSTEAD LIGHT IMMEDIATELY EXTINGUISHED. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HMU REF ASA T/C N8473000 &1. IDLE-POWER LEAK CHECK, GOOD. NO LEAK NOTED. SDR CA191004007Sensor · faulted(CAN) DURING CLIMBOUT AIRCRAFT WAS EXPERIENCING ERRATIC INDICATIONS ON THE NUMBER 1 ENGINE. +/- 4% N1 WHILE AT MAX POWER, INCLUDING A PERIOD WHERE UNABLE TO ACHIEVE GREATER THAN 90% N1 AT MAX POWER, THAN SURGE TO 96%. ALSO FELT A VIBRATION THROUGH THE AIRCRAFTSDR CA190729002Hmu · malfunctioned(CAN) CUSTOMER EXPERIENCED BOTH ENGINE SURGE WITH FLUCTUATING ITT READINGS ON TAKEOFF WITH LACK OF POWER. ABORTED THE TAKE-OFF AND AIRCRAFT RETURNED TO RAMP. IT IS STILL NOT CLEAR IF THE SURGE IS ACTUALLY A FLUCTUATION. TROUBLESHOOTING IS GOING ON. (TC# 201907SDR ASAA2019071530100Warning System · false activationINTERMITTENT ENG 1 HP TIP CONTROL FAULT GROUNDED - YES. PERFORMED TSM 75-22-00-810-819-A AND IDLE TEST AMM 73-29-00-740-803-A TEST OK NO MAINT ACTION REQUIRED PER TSM 75-22-00-810-819-A. A/C OK FOR SERVICESDR ASAA2019071530099Sensor · failedFOUND LONG TIME FAULT MESSAGE ON ENG. 1 MSG NR: 75-10831 T3 SIGNAL IS OUT OF RANGE. GROUNDED - YES. REPLACED T3 SIGNAL ENG NR 1.SDR ASAA2019071230073Unknown · malfunctionedWHILE PERFORMING TC 78273000 FOUND #2 ENGINE LONG TIME FAULT MX MSG 75-20832 T3 SIGNAL IS OUT OF RANGE. GROUNDED - YES. T/S PER FIM 75-33 TASK 802. PERFORMED EEC BITE AND 75-20832 IS STILL PRESENT ON RECENT FAULTS. PERFORMED EEC TEST PER AMM 73-21-00-700-804-FSDR CA190726003Eec · malfunctioned(CAN) DURING CLIMB AND TO PASS OVER THE CLOUDS, PILOT TURNED ON THE NAC HTS, STAB HT AND IGNITORS. WHEN THE IGNITORS TURNED OFF, AMBER LEFT, ENG CMPT LIGHT CAME ON. ALL ENGINE INDICATIONS WERE NORMAL. PILOT TURNED OFF THE STAB HT AFTER PASSING THE CLOUDS. WHILSDR ASAA2019070929984Warning System · false activationAFTER NORMAL ENGINE SHUTDOWN AT GATE, #1 ENGINE EGT INDICATES "ENG FAIL". GROUNDED - YES. EEC LOGGED NO RECENT FAULTS OR ACTIVE FAULTS. CDS HAS NO FAULTS LOGGED IN HISTORY OR CURRENT STATUS. EEC TEST PASS. REF FIM 73-05 TASK 805. NOTE FAULT OCCURRED AFTER NORMSDR UIEA2019070604686Status Message · false activationL ENG CONTROL STATUS MESSAGE(<P>PERFORMED PIMU BITE IAW B767 FIM 71-01-00 FAULTED 354-20-B EEC CPU FAIL. CLEARED MSG & FAULTS, PERFORMED FIM 73-21 FT 878 ENG RUNS GOOD, NO FAULTS SYSTEM CHECK OK </P>)SDR ASAA2019070429957Sensor · defectiveDURING COMPLETION OF T/C 78273000 FOUND LONG TIME FAULT 75-20832 "THE T3 SIGNAL IS OUT OF RANGE" #2 ENGINE. (ALL RECORDED LEGS INCLUDING 0). GROUNDED - YES. VERIFIED - REF AMM 73-21-07, REMOVED/REPLACED #2 ENG T3 SENSOR. OPS NML REF SAME - EEC TEST AND VERIFIESDR ASAA2019070429928Warning System · false activationENGINE 2 IGNITION B FAULT GROUNDED - YES. PERFORMED FADEC IGN TEST PER AMM 73-29-00. OPS CHECK GOOD. NO FAULT MESSAGE.SDR CA190705008Hmu · failed(CAN) AFTER LANDING R/H #2 ENG SHUT DOWN BY ITSELF WITH FADEC FAULT ASSOCIATED ECAM ENG 2 FAIL. RESOLUTION HMU REPLACED IAW AMM 73-21-10 P.B.401 (TC# 20190705008)SDR ASAA2019070329917Hmu · faultedRIGHT SIDE ENG VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE DURING PREFLIGHT BEFORE START. GROUNDED - YES. PERFORMED FIM 73-06 TASK 804, DISCONNECTED CONNECTOR DP1203, CONFIRMED PROPER OPERATION OF FIRE CONTROL PANEL SWITCH S9 AND PROPER OPERATION OF THE #2 ENGISDR CA190926007Fadec · failed(CAN) AIR TURNBACK DUE TO R FADEC CAUTION MESSAGE IN FLIGHT, FULL AUTHORITY DIGITAL ENGINE CONTROL (FADEC) REPLACED (TC# 20190926007)SDR ASAA2019062929880Warning System · false activation#1 ENG EEC BITE TEST SHOWS FAULT MAINT MSG 73-21271 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE" SHORT TIME FAULT, DEFERRED PER TC 78273000. GROUNDED - YES. REF FIM 73-27 TASK 804. ACCOMPLISHED #1 EEC BITE, NO CURRENT FAULTS. FAULT MESSAGE 73-2127SDR ASAA2019062829879Unknown · malfunctionedWHILE PERFORMING T/C 7273000, FOUND FAULT 73-11271. "THE ALTERNATOR VOLTAGE TO THE EEC IS OUT OF RANGE". SHORT TIME FAULT #1 ENGINE. GROUNDED - YES. PERFORMED #1 EEC BITE TEST. NO RECENT FAULTS OR FAULT HISTORY. ACCOMPLISHED EEC ALTERNATOR RESISTANCE CHECKS. WSDR ASAA2019062729842Eec · faultedWHILE PERFORMING T/C 78273000, #2 ENG EEC SHOWS "CH A EEC DATA NOT AVAILABLE". GROUNDED - YES. REF B737-800 AMM 73-21-60, REMOVED/REPLACED #2 ENG. EEC. OPS CHK GOOD REF SAME AMM. ALL TESTS GOOD. NO SOFTWARE LOAD REQUIRED. GROUND VERIFICATION TEST GOOD.SDR ASAA2019062629833Eec · failedWHILE ACCOMPLISHING TASK CARD 7827300 ENG 2 FAULTS LOGGED 73-11282 EEC CHANNEL IS NOT ENERGIZED WITH ALTERNATOR VOLTAGE ON LEGS 1 AND 2. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 73-27 TASK 805. REMOVED AND REPLACED ENG 2 EEC PER B737-900 AMM TASK 73-21-60-00-SDR ASAA2019062429840Switch · failed#1 "ENG VALVE CLOSED" LIGHT BRIGHT ON SHUTDOWN. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING REF B737-800 FIM 73-06 TASK 804. REPLACED HIGH PRESSURE SHUTOFF VALVE SWITCH REF B737-800 AMM 73-21-09 GROUND VERIFICATION TESTS PASS. REF AMM 71-00-00-700-807 ACTUATOSDR CALA2019062201043Bolt · missingFMC FUEL DISAGREE MESSAGE ON PROG PG 2 WITH ASSOCIATED DECREASE IN LEFT MAIN TANK QUANTITY. VISUAL CONFIRMATION OF FLUID/VAPOR FROM LEFT WING/ENGINE AREA. COMPLIED WITH QRH PROCEDURE 120.3 FOR FUEL LEAKAGE. SCREEN CONFIRM SOURCE OF FUEL LEAKAGE. ACCOMPLISHESDR AALA2019062109028Eec · faultyAIRCRAFT WAS GROUNDED: PILOT RETURNED TO DEPARTURE ON ACCOUNT OF #2 ENGINE OVERHEAT. EMERGENCY WAS DECLARED AND THE FLIGHT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE #2 ENGINE EEC IAW CARD 73-94-02. ACCOMPLISHED CARD 4978 RIGHT ENSDR UIEA2019061984525Eec · failedLEFT ENGINE CONTROL EICAS MESSAGE AFTER START. PERFORMED BITE OF LH EEC WITH PIMU FAULTED CHAN A & B FOR LT EEC , REMOVED AND REPLACED THE LT EEC IAW AMM 73-21-15. OPS CHECKED GOOD.SDR CA190620005Hmu · failed(CAN) REJECTED TAKEOFF ON RWY AT APPROXIMATELY 65KTS. THE INCIDENT OCCURRED ON TAKE OFF. ENGINE 2 WAS LAGGING BEHIND AT SPOOL UP. CREW APPLIED THROTTLES 2X BUT AIRCRAFT HAD NOTICEABLE YAW ON THE ROLL. TAKE OFF WAS REJECTED AND CREW ALERTED IFS. RESOLUTION HMUSDR HALA2019061800301Eec · false indicationETOPS SIGNIFICANT SYSTEM - ON ENG SHUT DOWN, ENG 2 FADEC SYSTEM FAULT, ENG TYPE DISAGREE, ENG 2 LP SHAFT PROTECTION LOSS. REMOVED AND REPLACED #2 ENGINE EEC PER AMM 73-21-34, NO DEFECTS NOTED. ALL TEST PASS, OK FOR SERVICE.SDR UIEA2019061434487Solenoid · malfunctionedL ENG FUEL VALVE EICAS AND LIGHT AFTER FUEL CONTROL SET FROM CUTOFF TO RUN. REMOVED AND REPLACED FUEL S/O SOLENOID IAW AMM 73-21-20. OPS CK AND LEAK CKS IAW AMM 71-00-00 TEST 3, OPS NORMAL, NO LEAKS.SDR CA190610019Fadec · malfunctioned(CAN) ON 05-JUN-2019 THE AIRCRAFT PERFORMED AN AIR-RETURN TO THE AIRPORT OF ORIGIN AFTER RECEIVING A POWER PLANT MESSAGE DURING CRUISE. THE AIRCRAFT LANDED WITHOUT ANY FURTHER INCIDENT. THE MAINTENANCE CREW CARRIED OUT TROUBLESHOOTING AND REPLACED THE FADEC USDR UIEA2019060764407Eec · malfunctionedR ENG CONTROL EICAS MESSAGE. REMOVED AND REPLACED RT ENGINE EEC IAW AMM 73-21-15. OPS CHECK GOOD.SDR CA190604028Hmu · malfunctioned(CAN) CREW HAD #1 ENG FADEC FAULT. MEL 76-10-4 APPLIED AND AIRCRAFT DISPATCHED. UPON TAKEOFF ROLL #1 ENGINE WOULD NOT PRODUCE POWER ABOVE 39% N1 IN MANUAL MODE. TAKEOFF REJECTED. EEC FAULT CODES 4 AND C RECORDED. HMA S/N 98AGU673 REPLACED AND AIRCRAFT RETURNEDSDR CA190604014Eec · malfunctioned(CAN) AFTER DEPARTURE #2 ENGINE TORQUE ROLLED BACK 16 % TWO SEPARATE TIMES WITH NO ECU LIGHT. TORQUE INDICATION RETURNED TO NORMAL AFTER A FEW SECONDS. MOMENTARY DROP IN R/H PROP RPM ALSO OBSERVED. AIRCRAFT CONTINUED TO DESTINATION WITH NO FURTHER ISSUES. PERSDR ASOA201906062333Fadec · malfunctionedTHE CREW REPORTED DURING CLIMB AND ROTATION E1 POWER RAPIDLY FLUCTUATED BY 1-2% N1 AND ITT BY 20-30 DEGREES. INTERMITTANT MILD PULLING WAS FELT FROM THE ENGINE. NO EICAS MESSAGES. WHEN LEVELED OFF ENGINE STABILIZED AT LOWER THRUST SET. REPORTED SEEMED TO BE ASDR ASAA2019060629601Eec · failed#1 ENG MAINT MSG 75-20541 REQUIRES FAULT RECHECK TO CONFIRM "ECONOMIC" FAULT STATUS. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURES USED PER CH. 5 TABLE 3 ITEM 8+9 FOR #1 ENG. PULLED/COLLARED 4 C/BS. ACCOMPLISHED FIM 75-22 TASK 802. REMOVED AND REPLACED EECSDR ASAA2019060329561Warning Light · false activationNUMBER 1 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED BITE TEST PER B737-900 FIM 73-06 TASK 801. NO FAULTS FOUND. PERFORMED ENGINE RUN EEC BITE CHECK, NO FAULTS WERE FOUND, LIGHT REMAINED OFF. GROUND VERIFICATION WAS GOOD.SDR UIEA2019060314364Eec · malfunctionedLEFT ENGINE EEC MODE DISPLAYED ON EICAS. PERFORMED EEC OPS TEST IAW BOEING AMM 73-21-04. OPS TEST PASS.SDR CA190531011Hmu · failed(CAN) DURING CRUISE THE CREW REPORTED A #2 PROP OVER SPEED INDICATION AND SHUT DOWN THE ENGINE. THE CREW DECLARED AN EMERGENCY AND CONTINUED TO BASE, LANDING WITHOUT INCIDENT. MAINTENANCE CONDUCTED WIRING CHECKS BETWEEN THE HMU AND ECU AND HAVE CHANGED THE HMUSDR ASAA2019060329560Sensor · failedON #2 ENGINE LONG TIME FAULT 75-20832, THE T3 SIGNAL IS OUT OF RANGE, WAS DISCOVERED DURING EEC BITE TEST. DEFERRED PER TASK CARD 78273000. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURES USED PER CHAPTER 5, TABLE 3, ITEM 3,4,8,9. REMOVED AND REPLACED #2 ENGSDR ASAA2019052529514Sensor · out of toleranceWHILE ACCOMPLISHING T/C 78273000 FOUND LONG TIME FAULT CODE. MSG NBR: 75-20832. THE T3 SIGNAL IS OUT OF RANGE. ENG #2. GROUNDED - YES. REMOVED AND REPLACED #2 ENG T3 SENSOR REF AMM 73-21-07 OPS NORMAL. THIS CLEARS PLT DEFERAL.SDR CA190524021Flow Divider · malfunctioned(CAN) DURING ROUTINE GROUND RUN FUEL WAS OBSERVED SPRAYING FROM THE VENT HOLE ON TOP OF FLOW DIVIDER INTO THE ENGINE COMPARTMENT. (TC# 20190524021)SDR CA190524014Fmu · faulted(CAN) DIVERTED DUE TO #2 ENGINE NOT MAKING N1 POWER. CORRECTIVE ACTION: REPLACED THE FMU (TC# 20190524014)SDR ASAA2019052229494Probe · out of toleranceWHILE PERFORMING T/C 78273000 FOUND MGS NR: 75-20832. THE T3 SIGNAL IS OUT OF RANGE ON #2 ENGINE. LONG TERM FAULT. GROUNDED - YES. INTERROGATED CDU. FAULT CODE STILL ACTIVE. REMOVED AND REPLACED THE #2 ENGINE T3 PROBE IAW AMM 73-21-07/401. GROUND VERIFICATION SDR ASAA2019051629396Unknown · malfunctioned#2 ENG HAS FAULT CODE 73-11272 THE ALTERNATOR VOLTAGE IN PIT TO THE EEC IS OUT OF RANGE. TIME OF FAULT IS SHORT TIME. GROUNDED - YES. PERFORMED EEC BITE CHECK IAW AMM 71-00-00-700-808-F00. FOUND NO FAULTS IN CURRENT STATUS OR HISTORICAL FLIGHT LEGS. REPAIR CON
Back to JASC 7320