JASC 7530
Service difficulty reports · 903
Reports filed under 7530 · Compressor Bleed Control, 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 = '7530' 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 = '7530' 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 ASAA2022102240449Actuator · leakingEVIDENCE OF FUEL LEAKING ON #1 ENGINE FROM LEFT VSV DRAIN PIPE. GROUNDED - YES. ENGINE #1 RAN TO CHECK FOR EVIDENC OF LEAKING VSV DRAIN PIPE. LEAKING AT A RATE OF 5 DROPS PER MINUTE. REMOVED AND REPLACED LEFT #1 ENGINE VSV ACTUATOR PER B737-800 AMM 75-31-01-84SDR ASAA2022102140447Actuator · faultyFOUND FMC SHORT TIME FAULTS 75-10452 AND 75-20452, VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED #2 ENG L/H VBV ACTUATOR REF B737-900 AMM 75-32-02. OPS CHECK, LEAK CHECK GOOD.SDR ASAA2022100540214Actuator · leakingON THE #2 ENG FOUND THE R/H VSV LEAKING A STEADY STREAM OF FUEL FROM DRAIN. GROUNDED - YES. REMOVED AND INSTALLED R/H VSV ACTUATOR REF B737-900 AMM 75-31-01.SDR ASAA2022100340776Actuator · out of toleranceENG #1 LONG TERM FAULT. 75-10391 - THE VSV POSITION SIGNAL IS OUT OF RANGE. DEFER PER ASA TC 78273000. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE R/H VSV ACTUATOR REF B737-800 AMM 75-31-01.SDR ASAA2022091740059Vbv · bindingMTX MSG SHORT TIME FAULT CODE 75-10452 "THE VBV POSITION SIGNALS DISAGREE" FOUND WHILE PERFORMING ASA TASK CARD 78273000 ON ENGINE #2. GROUNDED - YES. REMOVED AND REPLACED OB VSV ACTUATOR REF B737-900 AMM 75-32-02-400-802.SDR ASAA2022090939925Actuator · leaking#2 ENGINE RH VSV ACTUATOR EXCESSIVELY LEAKING. APPROX 60 DROPS/MIN. GROUNDED - YES. REPLACED #2 ENG RH VSV ACTUATOR PER B737-900 AMM 75-31-01.SDR ASAA2022082539679Unknown · faultyACCOMP ASA T/C 78273000. RECORDED FAULT CODE 75-30452 THE VBV POSITION SIGNALS DISAGREE #2 ENG SHORT TIME FAULT. GROUNDED - YES. C/W B737-900 FIM 75-32 TASK 803, MEASURE THE RESISTANCE BETWEEN THE VBV ACTUATOR & EEC DP1010 AND DP0909 (VBV VERSION 2) ALL RESISTSDR ASAA2022082239625Actuator · leaking#1 ENGINE R/H VSV ACTUATOR LEAKING FROM DRAIN. GROUNDED - YES. REPLACED #1 ENGINE RH VSV ACTUATOR PER B737-900 AMM 75-31-01.SDR ASAA2022082139624Actuator · leaking#1 ENGINE LEFT VSV LEAKING FUEL 6DPM. GROUNDED - YES. REPLACED #1 ENGINE LH VSV ACTUATOR PER B737-900 AMM 75-31-01.SDR GTIA2022082236596None · fault message"ENG 1 COMPRESSOR VANE MESSAGE IN FLIGHT-PER TSM 75-30-00-810-847-A R+R 2.5 LPC BLEED - MASTER ACTUATOR ON ENG#1 IAW AMM 75-31-42 PB401, OPS TEST GOOD, PER HIGH POWER ASSURANCE TEST REF AMM 71-00-00
TORQUE WRENCH USED: NK1205 / DUE: 23-DEC-22"SDR ASAA2022081739529Actuator · leakingTECH SERVICE REQUEST. FOLLOW UP TO REPORTS OF FUEL UNDER #2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED VSV ACTUATOR PER B737-800 AMM 75-31-01.SDR QXEA2022081500269Valve · malfunctioned#1 ENG FADEC CAUTION CAME ON AS WELL AS POWERPLANT MESSAGE ON E.D. DIRVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. INTERROGATED CDS AND FOUND FC 912 POSTED ON CHANNEL A&B ON 11-AUG-2022 AT 17:41:48 ON ENGINE #1.REPLACED P2.2 INTERSTAGE BLESDR ASAA2022072639282Actuator · faulty#2 ENG BITE HAD FAULT 75-30452 THE VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. ACCCOMPLISHED B737-900 FIM 75-32 TASK 803. RESISTANCE AT PIN 1-2 ON VBV-B (LEFT HAND ACTUATOR) READS 343 OHMS -- OVER 20 OHMS HIGH. ASDR ASAA2022071739157Actuator · faultyWHILE PERFORMING T/C 78273000 FOUND FAULT 75-30452 SHORT TERM FAULT VBV POSITION SIGNAL DISAGREE ON ENG #2. GROUNDED - YES. REMOVED AND REPLACED #2 ENG VBV ACTUATOR REF B737-900 AMM 75-32-02 LEAK AND OPS CHECK GOOD.SDR ASAA2022071339090Actuator · leakingDURING WALK FOUND EVIDENCE OF FUEL UNDER ENGINE #2. GROUNDED - YES. REMOVED AND REPLACED ENG 2 RIGHT VSV ACTUATOR REF B737-800 AMM 75-31-01-400-802-F00.SDR ASAA2022062438834Bleed Valve · faultyWHILE ACCOMPLISHING TASK CARD 78273000 INTERROGATE THE FMC CDU FOR ENGINE FAULTS FOUND FAULT 75-30452 #2 ENGINE VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT. GROUNDED - YES. ACCOMPLISHED VBV CHANNEL A & B WIRING CHECKS WITH NFF. REF B737-900 FIM 75-32 TASK 8SDR ASAA2022062438813Bolt · burredVSV ACTUATOR BELLCRANK AT 2 O'CLOCK POSITION BOLT 69 SEIZED UPON REMOVAL AND INSTALLATION. GROUNDED - YES. FOUND BURRS ON CLEVIS LINK FOR BOLT 69, VSV ACTUATOR AT 2 O'CLOCK POSITION, REMOVED BURRS USING STANDARD INDUSTRY PRACTICES.SDR ASAA2022062338812Vbv · unserviceableDURING ACCOMPLISHMENT OF T/C 78273000 #2 ENG HAS SHORT TIME 50 FLT HOURS FAULT MSG 75-30452. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. ACCOMPLISHED RESISTANCE CHECKS OF VBV ACTUATOR RECEPTACLES DP0908 AND DP1008 VERSION 7074-300 AND 1226400 PER B737-9SDR ASAA2022062338811Vbv · faultyWHILE PERFORMING T/C 78273000 FOUND SHORT TIME FAULT 75-10452. THE VBV POSITION SIGNALS DISAGREE ON #2 ENG. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LH VBV ACTUATOR IAW B737-900 AMM 75-32-02. OPS CHECK GOOD. LEAK CHECK GOOD. NO FAULTS NOTED.SDR ASAA2022061838733Vbv · false indicationREF T/C 78273000, ENG 2 SHORT TIME FAULT 75-30452. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED BITE CHECK OF FMC CDU ON ENG #2 PER B737-900 AMM 73-21-00 NO ACTIVE FAULTS NOTED.SDR ASAA2022061838732Vbv · false indicationSHORT TIME FAULT 75-30451, THE VBV POSITION SIGNALS DISAGREE REQUIRES PLT DEFERRAL PER T/C 78273000. GROUNDED - YES. PERFORMED BITE TEST REF 75-32 TASK 803, G. OPS TEST GOOD.SDR ASAA2022061638677Actuator · leakingDURING #1 ENGINE RUN FOUND FUEL DRIPPING FROM RIGHT VSV DRAIN AT A RATE OF 5 DPM. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE RIGHT SIDE VSV ACTR IAW B737-900 AMM 75-31-01. PERFORMED IDLE POWER LEAK CHECK FOR ROD AND HEAD HOSES ON THE HMU REF AMM 71-00-00-7SDR YENA2022060600554Actuator · failedFLT#942, LAX-RNO. (AIRCRAFT PERFORMED AN AIR TURN BACK TO LAX) 'ENG 2 COMPRESSOR VANE ECAM; CLM REPORTS B25TK FOR ENGINE 2 REF TSM 75-30-00-810-850. BLEED 2.5ACT FAIL ON BOTH FADEC CHANNELS. REMOVED AND REPLACED 2.5 BLEED MASTER ACTUATOR PER AMM 75-31-42 PB 40SDR YENA2022060600552Actuator · failedFLT#1327, FLL-MBJ. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) ' ENG 2 COMPRESSOR VANE IN FLIGHT AND AFTER LANDING. DID NOT LAND OVERWEIGHT (145,200 #); REMOVED AND REPLACED 2.5 ACTUATOR R/H ENGIN.E IDLE LEAK CHECK OK AMM 75-31-42. SEE DEFECT 3371893-2 (PERFOSDR I5PA2022060292207Bleed Actuator · faultyL ENG 2.5 BLEED MSG ON EPCS PAGE. R/R L ENG 2.5 BLEED ACTUATOR PER AMM 75-32-01.SDR ASAA2022060138544Connector · faulty#2 ENGINE EEC LIGHT ILLUMINATES AFTER START. GROUNDED - YES. #2 ENGINE SHOWS FAULT 75-30582, THE TBV DEMAND AND POSITION SIGNALS DISAGREE. PERFORMED ACTUATORS TEST PER B737-900 AMM 71-22-23 TEST 12 TEST FAILS SAME FAULT. ACCOMPLISHED B737-900 FIM 75-23 TASK 80SDR ASAA2022052438502Actuator · faultyDURING ACCOMPLISHMENT OF ASA T/C# 78273000 FOUND #2 ENGINE WITH SHORT TIME FAULT FAULT MSG 75-30452 " THE VBV POSITION SIGNALS DISAGREE". GROUNDED - YES. PERFORMED B737-900 FIM 75-32 TASK 803 PARA. 5. ALL RESISTANCE VALUES WITHIN SPECIFIED RANGE. REMOVED VBV ASDR YENA2022052000502Bleed Valve · fault messageFLT#1018, FLL-JAX. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL). ' ENG 1 COMPRESSOR VANE, AVOID THRUST CHANGES ECAM; SEE L/P 3327939 ITEM 2 (ACCOMPLISHED VISUAL CHECK OF ELEC CONNECTORS ON 2.5 BLEED ACTUATOR. NO DAMAGE OR MISALIGNMENT WAS FOUND. PERFORMED LUBRSDR ASAA2022051338357Vbv · faultySHORT TIME MTX MSG 75-10452 #2 ENG VBV POSITION SIGNALS DISAGREE. DEFERRED FOR 50FLT HRS PER ASA T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H VBV ACTUATOR REF B737-900 AMM 75-32-02. OPS/ LEAK/ ACTUATORS TEST PASSED. NO DEFECTS NOTED. THIS CLEASDR ASAA2022042338119Eec · faultyWHILE ACCOMPLISHING TK 78273000 MAINT. MSG NBR75-30452 THE VBV POSITION SIGNALS DISAGREE. FL LEG X=3 SHORT TIME. GROUNDED - YES. REPLACED #2 EEC REF B737-900 AMM 73-21-60-400-F00. ALL #2 FADEC TESTS PASS REF AMM 71-00-00-800-811-F00 & 73-21-00-700-802-F00. VERSDR ASAA2022040137906None · faultyENG 2 SHORT TIME FAULT MSG NBR 75-30452 "THE VBV POSITION SIGNALS DISAGREE" DEFERRED PER T/C 78273000. GROUNDED - YES. PERFORMED B737-900 FIM 73-32 TASK 803. EEC SHOWS NO CURRENT FAULTS ON ENGINE 2, BUT FAULT HISTORY SHOWS 2 HITS FOR FAULT MESSAGE 75-30452. PESDR VGCA20220330001None · bypassingENGINE COMPRESSOR SURGED AND THEN FLAMED OUT AND AUTOFEATHERED AT THE END OF TAKE OFF PHASE.SDR AALA202203191898Actuator · unserviceableAIRCRAFT WAS GROUNDED: REJECTED TAKE OFF AT 80 KNOTS DUE TO ENGINE #2 COMPRESSOR VANE ECAM. SAFELY RETURNED TO GATE. REPLACED ENGINE #2 VARIABLE STATOR VANE ACTUATOR PER JOB CARD 26T40075005 (AALA202203187345) AND REPLACED HIGH PRESSURE TURBINE / LOW PRESSURE SDR ANCF20220316003Vane · nonePROBLEM
11.MAR.2022 WO 54'386'879=> IN ACCORDANCE TSM 75-30-00-810-837-A FAILURE OF THE CONTROL OF THE VBV ACTUATOR ON ENGINE 1-CHANEL B-FAULT CONFIRMATION WAS PERFORMED IN ACCORDANCE AMM 73-29-00-710-040 OPERATIONAL TEST OF FADEC 1B ON THE GROUND (WITH ENGSDR ASAA2022030937677Actuator · leaking#2 ENG DRIPPING FUEL. L/H VSV ACTUATOR LEAKING WITHIN THRESHOLD LIMITS AND DEFERRED FOR 25 FLT CYCLES REF B737-800 AMM 71-71-00-200-801-F00 FOR REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LH VSV ACTUATOR REF B737-800 AMM 75-31-01/401. #2 ENG L/HSDR AALA202202110922Actuator · noneAIRCRAFT WAS GROUND: ENGINE #1 COMPRESSOR VANE ECAM ON TAKEOFF. CREW ABORTED TAKE OFF AT APPROXIMATELY 75 KNOTS AND RETURNED TO GATE. REPLACED #1 ENGINE VSV ACTUATOR PER TASK CARDS 26L40075005 AND 26L00071014. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.SDR AALA202202036955Actuator · faultyAIRCRAFT WAS GROUNDED: ABORTED TAKEOFF AT 80 KNOTS DUE TO #2 ENGINE COMPRESSOR VANE ECAM FAULT. SAFELY RETURNED TO GATE. **SUPPLEMENTAL REPORT FOR AALA202202026955: REPLACED #2 ENGINE VSV ACTUATOR PER JOB CARD 26T40075005. ACCOMPLISHED SATISFACTORY LEAK AND OPSDR AALA202202026955None · noneAIRCRAFT WAS GROUNDED: ABORTED TAKEOFF AT 80 KNOTS DUE TO #2 ENGINE COMPRESSOR VANE ECAM FAULT. SAFELY RETURNED TO GATE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)SDR AC2A2022010913901Bleed Valve · crackedDURING TROUBLESHOOTING OF LOW POWER ON #1 ENGINE, #2 ENGINE BLEED VALVE WAS REMOVED TO SWAP WITH #1 ENGINE BLEED VALVE AND FOUND #2 BLEED VALVE SEALING DISC WAS CRACKED. BLEED VALVE WAS REPLACED.SDR ASAA2021122537017None · faultyENG #1 SHORT TERM FAULT 75-30401. VSV POSITION SIGNALS DISAGREE. DEFER PER TC 78273000. GROUNDED - YES. REMOVED & REPLACED #1 ENG RH & LH VSV ACTUATORS & BELLCRANK ASSYS REF B737-800 AMM 75-31-01, AMM 75-32-00 & EA 800-72EA-24100.SDR ASAA2021121236881Actuator · leaking#2 ENGINE RIGHT VBV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE RIGHT VBV LEAKS @ A RATE OF 20 DPM. REMOVED AND REPLACED RIGHT VBV ACTUATOR ON THE #2 ENG REF AMM 75-32-02/401. OPS AND SDR ASAA2021121236880Actuator · leaking#2 ENGINE RIGHT VSV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE RIGHT VSV LEAKS @ A RATE OF 20 DPM. REMOVED AND REPLACED RIGHT VSV ACTUATOR OF ENG #2 REF AMM 75-31-01/401. OPS AND LEAKSDR ASAA2021121236879Actuator · leaking#2 ENGINE LEFT VSV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE LEFT VSV LEAKS @ A RATE OF 6 DPM. REMOVED AND REPLACED L/H VSV REF B737-900 AMM 75-31-01/401. OPS AND LEAK CHECK GOOD.SDR ASAA2021121136875Actuator · leakingON WALK AROUND FOUND #2 ENGINE LEAKING FUEL. GROUNDED - YES. FOUND LEFT VSV DRAIN LEAKING FUEL ON #2 ENGINE 20 DROPS A MINUTE. PERFORMED #2 ENGINE IDLE POWER RUN FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. REMOVED AND REPLACED LEFT SIDE VSV REF B737-900 AMMSDR F3LA2021120300086Motor · faultyDISC. LP136874; 3: ENGINE # 1 STALL IN FLIGHT.; CA: PER TSM 73-00-00-810-866-A INSPECTED FOR FOD/BIRDSTRIKE, NO DEFECTS NOTED; PERFORMED BORESCOPE OF # 1 ENG, NO DEFECTS NOTED PER TSM 73-00-00-810-866-A; REPLACED VBV GEAR MOTOR AND STOP MECHANISM IAW AMM 75-3SDR ASAA2021112536749Actuator · faultyREF T/C 78273000, ENG # 1 SHORT TIME FAULT 75-30451, THE VSV POSITION SIGNALS DISAGREE. FAULT SET ON LEG 1,2,4 AND 8. GROUNDED - YES. NO RECENT FAULTS FOUND IN CDU. FAULT HISTORY SHOWED FC 75-30451 ON LEGS 8 AND 9. EEC TEST PASSED, REMOVED AND REPLACED #1 ENG SDR YENA2021112400783Actuator · failedFLT 237, JFK-STI (AIR TURN BACK TO JFK) ENG 1 COMPRESSOR VANE ECAM APPEARED DURING INITIAL TAKEOFF ROLL: A LOW-SPEED RTO WAS ACCOMPLISHED; T/S PER TSM 75-30-00-810-133. FAULT SVATK. R+R ENG 1 VSV ACTUATOR PER AMM 75-32-41. OPS CHK OKSDR ABXA20211119121Cable · bindingLT ENG COMPRESSOR STALL (MODERATE) ALL ENG INDICATIONS NORMAL IN CLIMB THROUGH 35000'. FLIGHT CREW ELECTED TO DIVERT TO CVG. AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE FOUND VSV CABLE BINDING.REMOVED OLD, THEN INSTALLED NEW L/H ENGINE VSV CABLE PER AMM SDR ASAA2021111636675Actuator · leakingFOUND ON PREFLIGHT - JET FUEL DRIP (1 DRIP PER 4-5 SECONDS) UNDER #2 ENGINE NACELLE. REPORTED AT 1852 Z. GROUNDED - YES. #2 ENG FUEL LEAKS FROM LEFT VSV DRAIN: 2 DROPS P/M, RIGHT VSV DRAIN: 9 DROPS P/M, AND OIL / FUEL HEAT EXCHANGER PAD DRAIN: 2 DROPS P/M WITHSDR SWAA2021111745256None · stalled#1 ENG COMP STALL DURING CLIMB. ENGINE WENT TO ZERO THRUST ON FINAL ; 1115 FALT CODE 75-30401 DAL CHANNEL VSV POSITION / R & RD #1 ENGINE O/B VSV PER M/M 75-31-01
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