JASC 4950
Service difficulty reports · 951
Reports filed under 4950 · APU Bleed Air 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 = '4950' 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 = '4950' 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 UIEA2018101602275Light · inoperativeAPU BLEED FLOW BAR INOP. RELAMPED BLEED SWITCH IAW AMM 33-10-01. OPS CK OK.SDR UIEA2018101102245Actuator · malfunctionedAPU SHUT DOWN AT ROZ FOR T/S OF PACK AIRFLOW PROBLEM. APU WOULD NOT RESTART, NO PWR TO ECU. REMOVED AND REPLACED APU IGV ACTUATOR IAW AMM 49-52-02, OPS TEST GOOD.SDR ASAA2018100826359Control Valve · noisyON TAXI OUT FA REPORTS HEARING LOUD METALLIC BANGING NOISE FROM RIGHT AFT LOWER AIRCRAFT. GROUNDED - YES. REMOVED AND REPLACED SURGE CONTROL VALVE REF AMM 49-52-41. IN ADDITION REMOVED AND REPLACED THE STARTER-GENERATOR AND LUBE FILTERS. REF AMM 49-91-12. TWO SDR UIEA2018100402182Clamp · out of positionAPU BLEED PRESS LOW. TROUBLE SHOOT PER FIM 49-11 FT 979, FOUND EXCESSIVE AMOUNT OF BLEED AIR LEAKING FROM SURGE VALVE. REPOSITIONED AND SECURED CLAMPS, OPS CHECK GOOD.SDR UIEA2018100302174Bleed Air Sys · malfunctionedAPU WILL NOT PROVIDE AIR ON THE GND IN BWI, APU VALVE LIGHT INTERMITTENT. RESTARTED APU, BLEED AIR OK PER AMM 49-52-00.SDR UIEA2018100102141Gasket · not reportedAPU SURGE WITH 1 PACK. REMOVED AND REPLACED FLOW SENSE GASKET IAW AMM 49-53-08.SDR UIEA2018092902133Filter · defectiveAPU BLEED CYCLING WITH 1 OR 2 PACKS ON. REMOVED AND REPLACED APU SURGE VALVE FILTER IN REF AMM 49-53-06. OPS CHECK NORMAL.SDR UIEA2018092202031Module · faultyNO APU DUCT PRESSURE. REMOVED AND REPLACED FLOW SENSE MODULE. OPS CHECK GOOD IAW AMM 49-53-08.SDR UIEA2018092302035Sensor · dirtyAPU INOP. CLEANED SENSOR IAW AMM 49-53-08. PERFORMED SUPPLY PRESSURE INDICATING SYSTEM. OPERATIONAL CHECK GOOD AT THIS TIME.SDR UIEA2018092502068Unknown · malfunctionedAFTER APU START UP, ENGINE SHUTDOWN NO APU BLEED PRESSURE. PERFORMED APU BITE, OPERATIONAL CHECK IS NORMAL. NO FURTHER DEFECT NOTED IAW AMM 49-61-05.SDR UIEA2018092502059Bleed Air Sys · malfunctionedAFTER APU START UP, ENGINE SHUTDOWN NO APU BLEED PRESSURE.SDR DALA2018092405733Cooling Fan · leakingODOR IN CABIN WITH APU AND PACKS ON. OIL LIKE SMELL. FOUND APU COOLING FAN LEAKING OIL. REMOVED AND REPLACED COOLING FAN IAW AMM. OPERATION AND LEAK CHECK OK.SDR UIEA2018092002019Clamp · brokenFOUND BROKEN CLAMP ON APU SURGE VALVE DUCT. REMOVED AND REPLACED APU CLAMP AT SURGE VALVE IAW AMM 49-53-01 OPS CHECK NORMAL.SDR UIEA2018091801997Bleed Air Sys · inoperativeAPU BLEED INOP. REMOVED AND REPLACED APU CONTROL UNIT IAW AMM 49-61-05, OPS CHECK FAILED PN OFF: 2117342-20, SN OFF: 129-1274. MDDR REMAINS OPEN.SDR UIEA2018091601982Module · faultyAPU NO DUCT PRESSURE. REMOVED AND REPLACED FLOW SENSING MODULE AS PER AMM 49-53-08. OPS CHECK GOOD, P/N OFF 3885081-1 S/N DCN219490. REMOVED AND REPLACED SURGE CONTROL VALVE AS PER AMM 49-53-01, OPS CHECK GOOD.SDR UIEA2018090501891Bleed Air Sys · fluctuatesAPU DUCT PRESSURE BEFORE ENGINE START FLUCUATES BETWEEN 15-T0 22 PSI. PERFORMED AIR SUPPLY DISTRIBUTION OPS TEST IAW AMM 36-11-00 NO DEFECTS NOTED NO FLUCTUATION NOTED AT THIS TIME.SDR UIEA2018090701922Valve · faultyFOR TROUBLESHOOTING, APU SURGE VALVE ACTING UP. R&R APU SURGE VALVE. OPS CHECKS NORMAL. REF AMM 49-53-01-004-010. NO APU DEFECT NOTED.SDR UIEA2018090301873Module · faultyAPU NO DUCT PRESSURE. PERFORMED BITE CHECK IAW FIM 49-11 FT 975. FAULTY PT SENSOR, REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-53-00. OPS CHECK GOOD, NO FAULTS NOTED.SDR AALA2018090749051Apu · odorODOR FILLED ENTIRE ACFT STARTED AT ROTATION. TOGA T/O WAS USED AND APU ON. THE TAKEOFF WAS WITH APU BLEED ON, ODOR DISSIPATED WHEN APU BLEED WAS TURNED OFF.THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED MCM CARD 05-96-86/ 05-96-70/ 05-96-85. NO ODOR NOTED. AIRCRAFTSDR AALA2018090649063Apu · odorAFTER TAKEOFF, ODOR FILLED ENTIRE AIRCRAFT STARTED AT ROTATION. APU BLEED ON ODOR DISSIPATED WHEN APU BLEED WAS TURNED OFF. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED MCM CARD 05-96-86, 05-96-70, 05-96-85, AND NO ODOR NOTED. AIRCRAFT OK FOR SERVICE.SDR AALA2018090649056Apu · odorPILOT REPORTED CABIN ODOR AFTER ROTATION, APU BLEED CLOSED AND ODOR DISSIPATED. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED MCM 05-96-86, 05-96-70, AND 05-96-85. NO ODOR PRESENT.SDR AALA2018090549049Apu · odorSMOKE ODOR EVENT. THE AIRCRAFT WAS GROUNDED. FOUND TH ESOURCE OF THE ODOR TO BE APU. APU BLEED AIR ON LOW PRESSURE FROM AIR OUTLETS, WHILE STRONG ODOR OF OIL. ACCOMPLISHED JC 26L0021001 AND NO ODORS REMAIN IN AIRCRAFT CABIN OR COCKPIT. OK FOR SERVICE.SDR ASAA2018090425961Warning System · activatedAPU BLEED FAULT. GROUNDED - YES. *APU ON DEFERRAL*SDR UIEA2018082301783Duct · damagedAPU INOP, DUCTING MISSING CLAMP AND DAMAGED. REMOVED AND REPLACED APU SURGE BLEED DUCT AND CLAMPS IAW AMM 49-53-01. OPS CHECK NORMAL.SDR I5PA201808220001Module · inoperativeAPU DUCT PRESSURE LOW.SDR UIEA2018082101760Unknown · malfunctionedAPU DUCT PRESSURE 15 PSI AFTER STARTER VALVE ENGAGED. ENGINE START SLOW BUT NO PARAMETERS EXCEEDED. PERFORMED APU RUN, ALL PARAMETERS NORMAL IAW AMM 49-11-00-001. APU BLEED AIR SYS OPS CHECK NORMAL IAW AMM 49-52-00-001. PERFORMED ENGINE RUN IAW AMM 71-00-00, OSDR UIEA2018081601712Duct · tornAPU COOLING FAN DUCT IS TORN AT THE ATTACHMENT POINT TO THE COOLING FAN. REMOVED AND REPLACED APU COOLING FAN DUCT IAW AMM 49-51-03.SDR UIEA2018082001749Sensor · faultedAFTER APU START NO DUCT PRESS. CONFIRMED APU ISO VALVE OPEN AND PNEU ISO VALVE OPEN, PERFORMED BITE TEST ON APU ECU, FOUND P/T SENSOR FAULT ON LAST RUN, CLEARED. RESTART APU PNEUMATICS, OPS TEST NORMAL AS PER AMM 49-11-01.SDR UIEA2018081301666Control Valve · malfunctionedAPU FAULT EICAS MESSAGE. PERFORMED FIM TASK 49-11 FT 987 BITE PROCEDURE FAULTED " REVERSE FLOW" ALSO PERFORMED FIM TASK 49-11 FT 994, TS TO COMPRESSOR INLET TEMP SENSOR PN 3876072-1. REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01. OPS CHECK GOODSDR ASAA2018081315759Bleed Air Sys · malfunctionedAPU BLEED INOPERATIVE. ACFT GROUNDED. RESET THE APU BLEED SYSTEM IAW AMM 36-12-00, TESTED OK. OPS CHECKED GOOD. NO FAULTS FOUND.SDR QXEA2018081300291Apu · odorACRID ODOR EMANATING FROM THE AIR VENTS IN THE CABIN. APPEARS TO BE ASSOCIATED WITH APU BLEED AIR. ODOR DISSIPATED WITH APU BLEED AIR OFF. VERIFIED TO BE APU, MEL. RETURNED TO SERVICE.SDR ASAA2018080625695Control Valve · malfunctionedAPU BLEED FAULT. ACFT GROUNDED. R & R THE LOAD CONTROL VALVE, OPS CHECKED GOOD, IAW AMM 49-51-51.SDR UIEA2018080601624Module · faultyAPU INOP. REMOVED AND REPLACED APU FLOW SENSING MODULE IAW AMM 49-53-08. OPS CHECK OK AT THIS TIME.SDR ASAA2018080635679Warning Message · false activationAPU BLEED FAULT DISPLAYED AFTER FLIGHT. ACFT GROUNDED. APU SYS RESET ACCOMPLISHED & ECB SELF TEST IAW AMM 49-00-00-710-001, OPS CHECKED GOOD, NO FAULTS. OK FOR SERVICE.SDR UIEA2018080101600Transducer · malfunctionedAPU INOP. REMOVED AND REPLACED TOTAL PRESSURE TRANSDUCER AS PER AMM 49-53-02, OPERATIONAL CHECK NORMAL.SDR P5CA2018073100170Controller · failedAPU BLEED AIR NO BLEED AIR PRESSURE FROM APU. REPLACED APU INLET GUIDE VANE ACTUATOR IAW AMM 49-52-02. P/N A64847-5 S/N1514 APU OPER STILL NO PNEUMATIC FUNCTION. APUC BITE P2 SENSEN FAULT REF FIM 49-11 FT A21. REPLACED APUC IAW 49-01-04. OPERATED APU PACKS. ADSDR UIEA2018073101593Module · faultyAPU AUTO SHUTDOWN AFTER BLOCKOUT. REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-53-08. PERFORMED OPS CHECK OF APU AND RAN NR 1 ENGINE IAW AMM 71-00-00. NO DEFECTS NOTED. ENGINE RUN PERFORMED.SDR UIEA2018072701567Fastener · looseAPU FAULTY CAUTION MSG ON START AFTER LANDING. APU ECU BITE FOUND MSG START ABORTED, PERFORMED TROUBLE SHOOTING IAW FIM 49-11, FT 989. FOUND IGV ACTUATOR MOUNTING HARDWERE LOOSE, SECURED HARDWARE IAW AMM 49-52-02. PERFORMED 3 SUCCESFUL STARTS, NO DEFECT NOTED SDR P5CA2018072400143Check Valve · malfunctionedAPU PNEUMATIC FUNCTION INOP. REMOVED AND REPLACED APU PNEUMATIC CHECK VALVE IAW AMM 36-11-11. OPS CHECK GOOD AT THIS TIME.SDR ASAA2018072325498Warning System · false activationAIR APU BLEED FAULT ON ECAM GROUNDED - YES. APU SYS RESET & TEST IAW AMM 49-00-00. OPS CHECK GOOD.SDR UIEA2018071901517Not Reported · malfunctionedAPU INOP WILL NOT SUPPLY BLEED AIR. TRANSFERRED TO MDDR 96746 IAW MEL 49-11-01A CAT C DUE DATE 29JUL18 PLACARD INSTALLED.SDR UIEA2018071201447Bleed Air Sys · malfunctionedAPU AIR SHUT OFF RUNNING ONE PACK. T/S ECU & BITE NO FAULTS NOTED. APU OPS OK IN REF TO AMM 49-50.SDR UIEA2018071101438Bleed Air Sys · malfunctionedAPU AIR SHUT OFF RUNNING ONE PACK. T/S ECU & BITE NO FAULTS NOTED, RESTART APU OPS CHECK IN REF AMM 49-52-00.SDR UIEA2018071001424Module · malfunctionedAPU AUTO SHUTDOWN AFTER BLOCK OUT. REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-53-08. PERFORMED OPS CHECK OF APU AND RAN NR 1 ENGINE IAW AMM 71-00-00. NO DEFECTS NOTED. ENGINE RUN PERFORMED.SDR UIEA2018070601367Actuator · failedAPU WOULD NOT START AFTER TWO ATTEMPTS, FAULT LIGHT ILLUMINATED ON BOTH ATTEMPTS. R&R INLET GUIDE VANE ACTUATOR IAW AMM 49-52-02. OPS CHECK OK.SDR P5CA2018070500109Controller · not seatedAPU BLEED INOP. RE-RACKED APUC & OPS CHK OK AS PER AMM TASK 49-11-00-802-002.SDR UIEA2018070301325Unknown · malfunctionedON ARRIVAL, APU BLEED AIR VALVE WOULD NOT OPEN- NO DUCT PRESSURE. RECYCLED APU SWITCHES, DUCT PRESSURE NORMAL, NO DEFECTS NOTED AT THIS TIME IAW AMM 49-11-00.SDR UIEA2018070101304Actuator · malfunctionedUPON POST FLIGHT INSPECTION FOUND APU HAS NO DUCT PRESSURE. REMOVED AND REPLACED IGV ACTUATOR IAW AMM 49-52-02. OPS CHECKED GOOD.SDR UIEA2018070101305Filter · cloggedAPU INOP. (DUE PNEUMATIC PRESS LOW). PERFORMED FIM 49-11 FT 979, FOUND DEBRIS IN LINE AND FILTER CLOGGED. R&R SURGE FILTER IAW AMM 49-53-06 OPS CHECK NORMAL.SDR UIEA2018062201218Bleed Air Sys · malfunctionedNO APU BLEED AIR PRESSURE. COMPLIED WITH ACTION PLAN FOR APU AIR. APU OPS CHECKS GOOD IAW AMM 49-00-00.
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