JASC 7331
Service difficulty reports · 197
Reports filed under 7331 · Fuel Flow Indicating, 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 = '7331' 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 = '7331' 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 SWAA2026073058297Fuel Feed · erraticNR 2 FUEL FLOW INDICATION ERRATIC. R & R #2 FUEL FLOW TRANSMITTER IAW AMM 73-31-01. OPS CHECK AND LEAK CHECK GOODSDR QXEA2026070600152Fuel Feed · faultedWHEN ADVANCING #2 THROTTLE GET A FUEL FEED 2 FAULT. REJECTED TAKEOFF. REMOVED FRON SERVICE. INFO ONLY. RESET #2 FUEL FEED PER AOM 1 3.8.27 AS DIRECTED BY M/C 1048985. MESSAGE EXTINGUISHED. RETURNED TO SERVICE. NO PARTS REPLACED.SDR I5PA2026031075701Transmitter · intermittentRIGHT ENGINE FUEL FLOW INDICATION INTERMITTENT. REPLACED FUEL FLOW TRANSMITTER IAW AMM.SDR AALA202601090353Transmitter · leakingAIRCRAFT WAS NOT GROUNDED: LEFT ENGINE FUEL FLOW TRANSMITTER LEAKING AT THE COMPONENT SPLIT LINE AND RUNNING DOWN LEFT SIDE OF ENGINE. REMOVED AND REPLACED ENGINE NUMBER 1 FUEL FLOW TRANSMITTER. PER MM 73-73-01.SDR F3LA202510300320Transmitter · leakingENG 2 FAILURE IN FLIGHT, UNSUCCESSFUL RELIGHT. AIRCRAFT WAS GROUNDED AS A RESULT OF THIS EVENT. PERFORMED INSPECTION AFTER ENGINE WINDMILLING (ENG2) REF AMM 05-51-34-200-001-A. FOUND FUEL LEAK AT FUEL FLOW TRANSMITTER, REMOVED AND REPLACED FUEL FLOW TRANSSDR AALA202402194718Transmitter · faultyAIRCRAFT WAS GROUNDED: FUEL FLOW (LEFT ENGINE, CHANNEL B) SIGNAL IS OUT OF RANGE FAULTING LAST 5 CONSECUTIVE LEGS IN AHM FURTHER TROUBLESHOOTING REQUIRED REF MX MSG 73-80611.**SUPPLEMENTAL REPORT FOR (AALA202402144718): FOUND CONECTOR OF (FFT) FLUE FLOW TRANSMSDR 2023F00262Transmitter · misrepairedAIRCRAFT HAD NO FLOW FLOW INDICATION ON RIGHT ENGINE SWAPPED FUEL FLOW TRANSMITTER AND CONFIRMED DISCREPANCY. RECEIVED REPLACEMENT REPAIRED P/N 151-909-004 S/N 750 REF 8130 TRACKING RC07151-1 UNIT FAILED OPERATIONAL CHECK AFTER REPLACEMENT.SDR NACA2022122400001Indicator · malfunctionedL ENGINE FUEL FLOW INDICATOR SHOWING 0.0 1 MIN AFTER ENG START. PERFORMED L ENGINE IDLE RUN AND OPS CHECKED L ENG FUEL FLOW INDICATOR, HAD INSTANT READING OF 0.6 FF PER AMM 73-31-01, OPS CHECKED GOOD.SDR NACA2022121600001Fuel Feed · erraticLH ENGINE FUEL FLOW ERRATIC WHEN ENG ANTI-ICE TURNED ON. CLEANED AND RESECURED CONNECTORS D17066, D4210 AND D4212 PER WDM 73-31-11. ENG GROUND TEST AND OPS TEST OK AND OBSERVED ON FLIGHTS, FF LH ENG SYS OK NO ISSUES.SDR NACA2022120800002Indicator · erraticLEFT ENGINE FUEL FLOW ERRATIC ON CLIMBOUT WITH ANTI-ICE ON. NORMAL WITH ANTI-ICE OFF. DEFERRED PER MEL 73-31-0102 CAT C.SDR NACA2022090800001None · failedRIGHT ENGINE FUEL FLOW DOES NOT REGISTER UNTIL ENG N2 IS 33% AT IDLE. FLOW 300 LBS LESS THAN LEFT. ON TO FLOW IS 3000 LBS LESS ON RIGHT. REMOVED AND REPLACED RIGHT ENG FUEL FLOW TX AS PER REF B767 AMM 73-31-01, PERFORMED OPERATIONAL TEST NORMAL AS PER REF B767SDR UIEA2022082900917None · none# 3 ENGINE FUEL VALVE STATUS MSG ACTIVE(<P>R/R HMU FUEL SOV SW. IAW AMM 73-21-23. OPS CK GOOD. DMI 170784 CLOSED.</P>)SDR ASAA2022062438800Transmitter · leakingWHILE PERFORMING LEAK CHECK ON THE # 1 MOTOR NOTED THE FUEL FLOW TRANSMITTER LEAKING. GROUNDED - YES. REMOVED AND REPLACED # 1 ENG FUEL FLOW TRANSMITTER AND PERFORMED GOOD OP CHECK IAW B737-800 AMM 73-31-01, NO LEAK NOTED AT THIS TIME.SDR AALA202206097813Transmitter · leakingAIRCRAFT WAS GROUNDED: AFTER TAKEOFF STRONG ODOR NOTICED AFT LEFT CABIN. AIRCRAFT RETURNED TO CHS AND UPON LANDING STRONG FUEL ODOR IN CABIN AND FLIGHT DECK WAS NOTED. A SIGNIFICANT FUEL LEAK NOTED FROM LEFT ENGINE INFLIGHT LEFT ENGINE FUEL FLOW 1000 LBS HIGHESDR I5PA2021120588802None · faultyDISCREPANCY: R ENG FUEL FLOW SLOW TO INDICATE.
CORRECTIVE ACTION: REMOVED AND REPLACED R ENG FUEL FLOW TRANSMITTER IAW AMM 73-31-01. OPERATIONAL TEST OK IAW AMM 71-00-00.SDR QR9R20211116004Pressure Switch · illuminatedWITH BOTH ENGINES STARTED AND AT IDLE, #1 ENG FUEL PRESSURE LOW CAUTION ILLUMINATED. A TEST FLIGHT EVALUATION REVEALED AT IDLE #1 ENGINE FUEL PRESSURE LIGHT DOES ILLUMINATE RIGHT WHEN THE PRIME PUMP IS TURNED OFF. THE LIGHT WILL EXTINGUISH WHEN THE PRIME PUMP SDR NACA2021092400001None · noneDISCREPANCY: FUEL FLOW RIGHT ENGINE SHOWS 0 PPH UNTIL N2 SHOWS 27%. TIME TO LIGHT OFF AND EGT RISE BOTH NORMAL. CORRECTIVE ACTION: TRANSFERRED TO MEL 73-31-01-02 CAT C. RIGHT ENGINE FUEL FLOW CHECKS GOOD PER B767 AMM 71-00-00.SDR 9JLA2021081628405Flow Sensor · defectiveTHE FLIGHT CREW REPORTED THAT THE NO3 ENGINE FUEL FLOW INDICATES ZERO, THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED AN DEFECTIVE FUEL FLOW TRANSMITTER. THE DEFECTIVE TRANSMITTER WAS REMOVED AND A REPAIRED UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY ASDR HALA2021040600045Meter · defectiveETOPS - FUEL USED INDICATOR - DEGRADED MODE // REMOVED AND REPLACED FUEL FLOW TRANSMITTER PER AMM 73-31-11. NO FAULTS NOTED, EEC BITE CHECK OK. NO LEAKS NOTED. OK FOR SVC. METER, FUEL FLO OFF 43-7331-9-0001 01175 ON 43-7331-9-0001 30421SDR CALA2021040500421Transmitter · faultedDURING TAKEOFF ENG 2 FUEL FLOW WAS LOW AND FLUCTUATING WITH FILT ER BYPASS LIGHT ILLUM. ON CALL CONTRACT MX PERFORMED EEC BITE I.A.W FIM TASK 73-00-00-810-801-F00 AND FOUND 1 MSG FOR FUEL FILTERS DISAGREE BOWL TO BE CLEAN I.A.W AMM 73-05-00-810-801-F00 . 73-31SDR 9JLA2021040524765Transmitter · faultedTHE FLIGHT CREW REPORTED THAT DURING PREFLIGHT CHECKS THAT THE LEFT ENGINE FUEL FLOW INDICATOR WAS READING ZERO WITH THE ENGINE RUNNING. THIS DISCREPANCY CAUSED THE FLIGHT TO BE CANCELLED. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THAT THE LEFT ENGINE SDR ASAA2021032734432Transmitter · faulty#1 ENGINE TREND DATA SHOWS A GRADUAL SHIFT IN CRUISE DELTA FUEL FLOWING INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL FLOW TRANSMITTER. REF B737-800 AMM 73-31-01-400-801-F01. PERFORMED #1 ENGINE LEAK CHECK OF FUEL FLOW TRANSDR ASAA2021031934339Transmitter · leaking#1 ENG FUEL FLOW TRANSMITTER LEAKING. GROUNDED - YES. REPLACED THE #1 ENG FUEL FLOW TRANSMITTER, LEAK AND OPS CHECK GOOD REF B737-800 AMM 73-31-01/401.SDR ASAA2021030134226Transmitter · leaking#1 ENGINE FUEL FLOW TRANSMITTER LEAK, WHILE PERFORMING T/C # 78471001. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL FLOW TRANSMITTER REF B737-800 AMM 73-31-01.ACCOMPLISHED TEST 3A AND TEST 13, NO LEAK NOTED AND OPS CK GOOD.SDR UIEA2021022400415Transmitter · malfunctioned39 MIN INTO FLIGHT FL410 FUEL FLOW READING LT 0.5 R7 3.8 CALCULATED FUEL READING (FUEL USED) LEFT 0.0 TOT 4.3 RIGHT 4.3 (REMOVED AND REPLACED LT ENG FUEL FLOW TRANSMITTER, NO LEAKS NOTED, OPS CHECK NORMAL IAW AMM 73-31-01. PERFORMED ENGINE RUN UP, OPS CHECK NSDR UIEA2020091081967Indication Sys · intermittentRT ENGINE FUEL FLOW IS INTERMITTENT. TRANSFERRED TO MEL 73-31-01-02, MDDR 133972, CAT C.SDR UIEA2020090801966Warning Message · false activationRIGHT ENGINE FUEL FLOW INDICATOR INOPERABLE, QUANTITY INDICATORS ALL INDICATE NORMALLY. PERFORMED FUEL FLOW TRANSMITTER INSPECTION IAW AMM 73-31-00, NO LEAKS FOUND. TRANSMITTER CONNECTOR PLUG IS RIGHT, NO DEFECTS FOUND. PERFORMED OPERATIONS CHECK IAW AMM 71SDR UIEA2020072311587Transmitter · failedNR 2 ENGINE, NO FUEL FLOW INDICATION. PERFORMED FIM 73-31 TREE 806 ITEM 44, ACCOMPLISHED. REMOVED AND REPLACED THE FUEL FLOW TRANSMITTER FOR THE RT ENG, OPS CHECKED GOOD, FUEL FLOW TRANSMITTER TESTED GOOD.SDR I5PA2020051475701Transmitter · leakingLH ENG FUEL FLOW TRANMISTTER WAS FOUND LEAKING AT THE CASE ASSY. THE UNIT WAS REPLACED WITH NO ISSUES DURING THE OPERATIONAL CHECKSDR UIEA2020041000732Transmitter · faultyR ENG FUEL FLOW .5 LOWER THAN L ENG FUEL FLOW REPEAT DISCREPANCY. R ENG FF SHOWED 0.0 IN IDLE DECENT. EVENT RECORDED.(<P>TRANSFERRED TO MDDR 126879 IAW MEL 73-31-01-02, CAT 'C', DUE DATE 20APR20. NO MX ACTION REQ. DISPATCH ACL 0619Z.</P><P>LP 1120337: REPLACEDSDR UIEA2019070704690Indication Sys · malfunctionedLEFT FUEL FLOW INDICATION INOP (<P>TRANSFER TO MDDR # 114307 IAW DDG 73-31-01-02 CAT C DUE DATE 16JULY-2019</P><P>LP 1090219-M5 INBOUND CREW REPORTED LEFT FUEL FLOW INIDICATION NORMAL RAN LEFT ENG AND OPS CHECK OK IAW AMM 71-00-00 </P>)SDR HNAA2019052200146Flow Sensor · defective647 73-30 2007141 19MAY19 CHS CLOSE NR 1 ENG FUEL FLOW WENT TO ZERO ON EICAS AND RMU DURING T/O ROLL. HISTORY: NONE
MEL 19MAY19 10:55 CHS C13909 73-6 FUEL FLOW INDICATORS FACT 21MAY19 04:59 PHL R&R RUEL FLOW SENSOR IAW MM 73-35-10. OPSSDR UIEA2019032803668Indication Sys · malfunctionedREF LP 880766-01 FUEL FLOW ALSO INDICATED 300-400 PPH HIGHER THAN RT NR 2 ENGINE(<P>PERFORMED NR 1 AND NR 2 ENG RUN IAW AMM 72-10-00 FF INDICATION NORMAL NO FF IMBALANCE NOTED ALL ENG PARAMETER NORMAL OK FOR SERVICES AT TIME </P>)SDR IPXA2018033027996Indicator · failedFUEL FLOW / FUEL USED CIRCUIT BREAKERS 68 & 75 TRIPPED. RESET BOTH CIRCUIT BREAKERS ON GROUND. FOUND THE NR 2 ENGINE FF/FU INDICATOR NEEDLE ERRATIC. REMOVED & REPLACED THE NR 2 ENG FF/FU INDICATOR IAW AMM 73-31-21-0401.SDR ASAA2017121222957Transmitter · defectiveNR 1 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN CRUISE DELTA FUEL FLOW INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED & REPLACED NR 1 ENGINE FUEL FLOW TRANSMITTER REF AMM 79-31-01. PERFORMED LEAK CKS, OPS CKS AND EEC BITE CKS. ALL CKS GOOD, NO DEFECT NOSDR HALA2017112900286Transmitter · faultedNR 2 ENGINE FUEL FLOW AND FUEL USED IS SIGNIFICANTLY HIGHER THAN THE NR 1 ENGINE. NR 1 FUEL USED IS 10000 LBS NR 2 FUEL FLOW 3000 LBS HIGHER. ACMS SHOWED HIGHER FUEL FLOW ON NR 2 ENGINE. ALL OTHER PARAMETERS NORMAL. REMOVED & REPLACED FUEL FLOW TRANSMITTERSDR JIKA2017103101Fuel Line · looseTHE PILOT REPORTED DURING INITIAL CLIMB OUT FROM KPHX THAT HE OBSERVED FUEL LEAKING FROM THE INSTRUMENT PANEL. THE PILOT INFORMED ATC AND REQUESTED TO RETURN TO THE AIRPORT. UPON LANDING ATC DISPATCHED FIRE AND RESCUE BUT WAS NEEDED AND THE PILOT WAS ABLE TO TSDR HALA2016121300543Transmitter · erraticDURING T/O ROLL ENG NR 1 FUEL USED DIGITAL COUNTER "HUNDREDS" DOUBLE HORIZ AMBER LINE OUT. FUEL TOTAL COUNTER AMBER LINE OUT THROUGH "TENS". FUEL FLOW TRANSMITTER (E1-4070KS) WITH HISTORY. REPLACED FF XMITTER PER AMM 73-31-11, OPS OK. METER, FUEL FLO OFF 43SDR COEA2015091601705B-Nut · looseFLIGHT 7805 AIR TURN BACK. AFTER TAKEOFF, THE PILOT REPORTED A FUEL SMELL IN THE COCKPIT. THE PILOT ELECTED TO RETURN WHERE THE ACFT WAS GNDED. NO EMER WAS DECLARED. TROUBLE SHOT & FOUND TWO LOOSE B NUTS ON THE FUEL FLOW TRANSMITTER. TIGHTENED B NUTS TO SSDR SIMA20140908004Warning System · false activationLEFT ENG PPH WENT TO 0 & TURNED RED & BLINKED AT APPROX 120 IAS. ABORTED TAKEOFF WT APPROX 41K LBS. HAD CREW PERFORM HI POWER RUN. ALL INDICATIONS NORMAL IAW RR MM 72-00-00.SDR YENA20140904176Pressure Switch · failedCREW DECLARED AN EMERGENCY DUE TO A NR 2 ENGINE LOW FUEL PRESSURE CAS MESSAGE ALONG WITH A FUEL FEED 2 FAULT. AFTER RUNNING BOTH QRH PROCEDURES BOTH MESSAGES EXTINGUISHED AND FUEL SYSTEM RETURNED TO NORMAL. R & R ENG NR 2 FUEL LOW PRESSURE SWITCH IAW AMM 73-SDR HYIA20140905116Transducer · inaccurateON INITIAL CLIMB, THE PILOT REPORTED FUEL FLOW OF 160PPH. AFTER REACHING CRUISING ALTITUDE THE FUEL FLOW WENT TO 0 & THE PILOT REPORTED TEMP POWER LOSS. THE PILOT WENT THROUGH THE ENG FAILURE CHECKLIST & PLACED THE AUXILIARY BOOST PUMP ON IN THE HIGH SETTINGSDR SIMA20140326009Indicator · leakingRIGHT ENG MECHANICAL BYPASS INDICATOR LEAKING FUEL. R & R RT ENG MECHANICAL BYPASS INDICATOR, LEAK CHECKED GOOD IAW MM 73-37-10.SDR FDEA201312122967Meter · failedFUEL QTY, FUEL USED CHECK DISPLAYED AT APPROX 22437. ESTIMATED FUEL USED WAS 5K LBS ABOVE FUEL BURNED. IAW FUEL QTY 1 USED CHECKLIST ISOLATED THEN SHUT DOWN ENG NR 1. NO FURTHER LEAK. CONTINUED IAW CHECK LIST ISOLATED TANK TO ENG, LEAK CONTINUED. THEN IASDR CA130923014Bypass Valve · malfunctionedNR 2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED 20 MINS AFTER TAKEOFF AT FL390. ACFT RETURNED FOR LANDING WHERE THE LIGHT EXTINGUISHED AT THE GATE WHEN ENGINE WAS SHUTDOWN. FIM 73-05 TASK 801, CARRIED OUT WHERE THE FUEL FLOW DIFFERENTIAL PRESSURE SWITCH WAS SDR CA130905012Transmitter · inoperative(CAN) REPORT LEFT FUEL FLOW UNSERVICEABLE. FUEL FLOW TRANSMITTER, REMOVED TSO:2053.4, CSO:1538, ON CONDITION PART, PREVIOUS O/H SEPT 2004. O/H REPLACEMENT TRANSMITTER INSTALLED AND SYS GROUND TESTED SERVICEABLE.SDR FDEA201305151001Indicator · failedLEFT ENGINE EPR WAS SURGING OR - 0.10 EPR DURING T/O ROLL WITH AUTOTHROTTLES ENGAGED. REJECTED T/O AT 80 KNOTS. R & R FFG CONTINUED AND ENGINE WAS REMOVED FOR THIS PROBLEM.SDR HALA2013051300059Transmitter · malfunctionedETOPS SIGNIFICANT SYSTEM - BTB - FF INDICATION RT ENGINE AMBER LINES THRU INDICATION. RESET L& R FCMC AS PER MMNT. INSTRUCTIONS, NO CHANGE IN RT FF INDICATION, RETURNED TO GATE. C/W TSM 73-30-00-810-806-A, PER TSM REMOVED AND REPLACED NR 2 ENG FUEL FLOW TRANSDR NACA2013040900001Transmitter · faultyTAKEOFF WAS ABORTED AT 90KTS DUE TO EXCESSIVE FUEL FLOW INDICATION ON NR 2 ENGINE. REPLACED NR 2 ENGINE FUEL FLOW TRANSMITTER, REF: B737-200MM 73-31-11.SDR AALA20130328013Transmitter · inoperativeORD - CREW REPORTED BLEED PRESSURE LEFT STATUS MESSAGE, CABIN TEMPERATURE CONTROL RIGHT STATUS MESSAGE AND FUEL DISAGREE IN FLIGHT. EMERGENCY DECLARED FLIGHT RETURNED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT AND RIGHT FUEL F
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