JASC 4930

Service difficulty reports · 1,087

Reports filed under 4930 · APU Engine Fuel and 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 = '4930'
  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.

SDR ASAA2019120931537Nozzle · failedAPU TREND DATA SHOWS CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REPLACED FUEL NOZZLES, P2, T2, PT, & DP SENSORS. LEAK CHECK GOOD. NO FAULTS. MONITORING CT5ATP CONTINUED. PER TECH SERVICES CT5ATP TEMP HAS RETURNED TO NORMAL.Dec 9, 2019 · N440AS · Boeing 737990ERSDR ASAA2019120971538Shutoff Valve · inoperativeAPU FAULT LT ILLUMINATED A FEW MINUTES AFTER SHUTTING APU OFF. GROUNDED - YES. ACCOMPLISHED BITE CK ON APU REF B737-800 FIM 49-60 TASK 801. MAINT MESSAGE 49-31001 APU FUEL VALVE SHUTDOWN DISPLAYED. FOLLOWED FIM 49-30 TASK 801. APU FUEL VALVE FAILED IN OPEN ODec 7, 2019 · N519AS · Boeing 737890SDR A6WA2019111446978Fuel Control · malfunctionedSUPPLEMENTAL INFORMATION, ATTEMPTED TO START APU BELOW 10000 FT FIRST ATTEMPT FAILED. UPON SECOND TRY STARTED NORMAL , HOWEVER VERY STRONG FUEL SMELL IN A/C AIRCRAFT. REMOVED FROM SERVICE, INVESTAGTED APU BAY FOIR FUEL. NONE FOUND. STARTED APU SEVERAL TIMES ONov 5, 2019 · N415AW · Cndair CL6002B19SDR AALA201911059015Fuel Line · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS AIRCRAFT WITH APU ON HAS EXHAUST SMELL ON TAKEOFF, APU HAS STRONG RAW FUEL SMELL BOTH FA'S COMPLAIN OF STRONG ODOR OF FUEL ON TAKEOFF SMELLS GO AWAY WHEN APU BLEED IS OFF. MAINTENANCE ISOLATED SOURCE TO APU FUEL FEED LINE LNov 5, 2019 · N965UW · Emb ERJ190100IGWSDR ASAA2019101391185Fcu · faultedREF LP 11918694 CSF REQUIREMENTS, APU FAILED CSS. GROUNDED - YES. REPLACED APU LUBE MODULE REF B737-900 AMM 49-91-11 AND FUEL CONTROL UNIT REF AMM 49-31-11. OPS/LEAK CHECK OK.Oct 29, 2019 · N419AS · Boeing 737990ERSDR DALA2019102286080Fuel Control · faultedAT FL 320 APU GEN OFF, APU FAULT CAME. APU TACH GEN WENT TO 90%. IN THE DECENT THE APU GEN CAME BACK ON LINE. APU TACH GEN WENT BACK TO 100%.T/S IAW MD90 FIM 49-01. FOUND APU FUEL CONTROL UNIT FAULT AND P2 SENSOR WITH INCORRECT VALUES P2 SENSOR REPLACED IAW MDOct 17, 2019 · N922DX · Doug MD9030SDR AALA201909259036Fuel Control · unreliableAIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF N1 GENERATOR FAULT AND APU FAIL INDICATION. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED ENG #1 IDG IAW AMM 24-21-51. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED FCU IAW AMM 49-23Sep 22, 2019 · N546UW · Airbus A321231SDR ASAA2019091430688Fcu · failedON TAXI IN-APU AUTO SHUTDOWN GROUNDED - YES. REMOVED AND REPLACED APU FCU IAW AMM 49-32-11, OPS CHECKED LEAK CHECKED GOOD, A/C RELEASED FORM MEL 49-10-01-01, MAINT PROCEDURE REVERSED, MDDR 70978 REMOVED, MCC NOTIFIED.Sep 14, 2019 · N283VA · Airbus A320214SDR ASAA2019090930671Fcu · failedON TAXI IN APU AUTO SHUT DOWN GROUNDED - YES. R/R APU FCU, ACCOMPLISHED OPS TEST, OP CKS GOOD, ACFT RELEASED FROM MEL 49-10-01-01, MAINT PROCEDURES REVERSED REF AMM 49-32-11. MDDR 70833 REMOVED. MCC NOTIFIED.Sep 9, 2019 · N283VA · Airbus A320214SDR ASAA2019090530612Fuel Nozzle · defectiveAPU REPORTS SHOW A RAPID SPIKE IN CT5ATP TEMP CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REPLACED APU FUEL NOZZLES. LEAK CHECK OK. REF AMM 49-31-14-400-801, FIM 49-90 TASK 825 STEP D(2). STEP D(10) ALSO COMPLETE, REFERS TO CONTINUEDSep 5, 2019 · N477AS · Boeing 737990ERSDR REXA2019090401283Fuel Line · faultySTRONGFUEL SMELL FROM PACKS WHEN APU IS RUNNING. REMOVED AND REPLACED APU FUEL LIKE TUBE ASSY AND RIGHT AND LEFT WATER SEPARATOR COALESCER BAG IAW CMM 49-26-43 AND AMM 21-51-13 OPS CK GOOD AT THIS TIME.Sep 4, 2019 · N8783E · Cndair CL6002B19SDR VNAA2019082871101Shutoff Valve · leakingSTRONG FUEL SMELL IN WHOLE ACFT. MX FOUND APU SOLENOID SHUTOFF VALVE LEAKING. REMOVED AND REPLACED APU FUEL SHUTOFF SOLEINOID VALVE IAW AMM PERFORMED LEAK CHECK OF APU IAW AMM NO LEAKS NOTED, NO FUEL SCENT IN CABIN. REPLACED PRSOV. OPS CHECK GOOD.Aug 27, 2019 · N226JS · Cndair CL6002B19SDR DXTA2019081902767Fuel Control · leakingFUEL VENT - HEAVY FUEL FUMES IN CABIN AND COCKPIT DURING FLIGHT. REMOVED AND REPLACED APU FUEL CONTROL AND APU FUEL MANIFOLD.Aug 16, 2019 · N689QS · Cessna 560XLSDR NACA2019072600091Fuel Filter · unknownAPU FAILED TO START. PERFORMED FIM 49-11 FAULT TREE 989 BITE: APU SHUTDOWN; FUEL CONTROLLER CODE 101 & 41, BLOCK 3 VOLTAGE NORMAL. BLOCK 4 MAGNETIC CHIP, NO METAL PARTICLES. BLOCK 6 STARTER MOTOR BRUSH NORMAL. BLOCK 8 STARTER TURNED COUNTERCLOCKWISE FREELY. Jul 26, 2019 · N379CX · Boeing 767323SDR HALA2019080100124Fuel Line · contaminatedAIRCRAFT 395, APU INFLIGHT START UNSUCCESSFUL 1ST ATTEMPT AT FL 400, 2ND ATTEMPT AT FL 360, AND 3RD ATTEMPT AT FL 360. PERFORMED BLEEDING OF THE APU FUEL LINE.Jul 22, 2019 · N395HA · Airbus A330243SDR HALA2019080100378Fuel Line · contaminatedETOPS SIGNIFICANT SYSTEM - APU INFLIGHT START UNSUCCESSFUL 1ST ATTEMPT FL 400, 2ND ATTEMPT FL 360, 3RD ATTEMPT FL 360. PERFORMED BLEEDING OF THE APU FUEL LINE IAW AMM 28-22-00-870-801-A. OPS CHECK GOOD. OK FOR SERVICE.Jul 22, 2019 · N395HA · Airbus A330243SDR SWAA2019072235148Fuel Control · faultyDIVERSION, AUXILIARY POWER UNIT GEN OFF BUS LIGHT ILLUMINATED IN FLIGHT DURING / USE SHOWS 0 VOLTS. R&R AUXILIARY POWER UNIT FUEL CONTROL UNIT PER AMM.Jul 20, 2019 · N744SW · Boeing 7377H4SDR HALA2019071600362Fuel Control · defectiveETOPS / APU AUTOSHUTDOWN AFTER LANDING. PERFORMED READING OF THE APU SHUTDOWN REPORT FOUND FIN 8022KM FCU DEFECTIVE. R/R FCU IAW AMM 49-32-11 PB401.Jul 16, 2019 · N212HA · Airbus A321271NSDR AALA201907029015Check Valve · looseAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORT A STANGE CHEMICAL TYPE ODOR IN THE BACK OF THR AIRPLANE. MAINTENANCE PERFORMED CARD 26L00021001, FOUND FUEL LEAKING FROM THE FUEL/OIL COOLER AND LEAKING OUT THE DRAIN MAST. OIL COOLER DUCT WAS SATURATED WITH OIL.Jul 2, 2019 · N832AW · Airbus A319132SDR DALA2019062653867Line · leakingSTRONG SMELL OF OIL POSSIBLY FUEL FROM START TO CLIMBING OUT OF 10000 (10 MINS). FA'S DID NOT NOTICE SMELL IN CABIN. FOUND APU FUEL NOZZLE HARD LINE LEAKING. REPLACED APU PER FORCAST NBR 92-4910-9-0010.(LP#5899748)Jun 24, 2019 · N923DN · Doug MD9030SDR DALA201906203673Fuel Control · leakingFUEL ODOR IN CABIN AFTER STARTING APU ON TAXI IN. APU AIR SWITCH ON. CONFIRMED FUEL SMELL IN CABIN(AFT). FOUND APU FUEL CONTROL LEAKING FUEL AT LOWER FITTING. TIGHTENED FUEL LINE MD88 IPC 49-31-00 FIG 1(SHEET 2) ITEM # 265. LEAK CK OK. NO FUEL LEAKS NOTICED. CJun 19, 2019 · N923DN · Doug MD9030SDR AALA201906119003Actuator · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS APU FUEL SMELL WITH APU BLEED ON. MAINTENANCE FOUND APU FUEL FILTER BOWL LEAKING. REMOVED & REPLACED APU FUEL FILTER BOWL O-RING IAW AMM 49-32-41. LEAK CHECK GOOD. IGV ACTUATOR LEAKING FROM DRAIN EXCESSIVELY UPON START-UP AJun 9, 2019 · N663AW · Airbus A320232SDR UIEA2019061204477Flow Divider · unknownREMOVED AND REPLACED APU FUEL FLOW DIVIDER IAW B767 AMM 49-31-03-404-017. OPERATIONAL CHECK GOOD. LEAK CHECK GOOD. </P>)Jun 8, 2019 · N1321A · Boeing 767306SDR DALA20190603361Housing · leakingSTRONG SMELL OF GASOLINE IN COCKPIT AND CABIN WHEN APU STARTED AFTER LANDING. C/W REQUIREMENTS OF NO GO ODI PREVENTION 2172. FOUND LEAKING FUEL FILTER HOUSING. REPLACED PACKING ON FILTER HOUSING PER B717 AMM 49-30. LK CHECK GOOD. PERFORM FULL DUCT BURNOUT PER May 31, 2019 · N915DE · Doug MD88SDR CA190529007Filter · cracked(CAN) WHILE TROUBLE SHOOTING APU PROBLEMS IT WAS NOTED THAT THE FUEL FILTER ASSY HAD BOTH ATTACHING POINTS BROKEN AND WAS HANGING THERE BY THE FUEL LINES. THE APPEARANCE OFF THE FRACTURES SEEM TO INDICATE THAT THE CRACK HAS BEEN THERE FOR A WHILE AS THERE APPEMay 29, 2019 · Bombdr DHC8400SDR SWIA2019052845924Fuel Line · not reportedUPON FIRST APU START ATTEMPT DURING DESCENT, THE APU FAILED TO START. THE SECOND ATTEMPT WAS SUCCESSFUL. HOWEVER, ONCE IT WAS RUNNING AND WHILE THE ENGINES WERE STILL THE BLEED SOURCE, THERE WAS A VERY STRONG, UNMISTAKABLE SCENT OF RAW, UNBURNT JET FUEL IN BMay 28, 2019 · N928SW · Cndair CL6002B19SDR DALA2019052903283Fuel Control · leakingAS SOON AS APU IS STARTED, VERY STRONG FUEL SMELL THROUGHOUT THE ENTIRE PLANE. FOUND AND REPAIRED RUNNING FUEL LEAK AT APU FUEL CONTROL. REF IPC 49-31-00-01 FIG 1 ITEM 290. C/W NO GO ODI PREVENTION PROGRAM 2172. FULL DUCT BURNOUT AND COALESCER BAGS REPLACED IAMay 27, 2019 · N909DA · Doug MD9030SDR ASAA2019052029385Fuel Nozzle · defectiveAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE MAINTENANCE THRESHOLD OF 593 BUT LESS THAN 605 DEGREES. ACCOMPLISHMENT OF LISTED MAINT. TASK WILL EFFECT APU ON DEMAND IN FLIGHT START CAPABILITY. CONTACT MAINTENANCE CONTROL. GROUNDED - YES. ACCOMPLISHMay 20, 2019 · N564AS · Boeing 737890SDR ASAA2019051929383Unknown · malfunctionedAPU WON'T START. GROUNDED - YES. FOUND FAULT MESSAGE 49-31175 INTERMITTENTLY. PERFORMED FIM 49-32 TASK 805 F1-7. ALL WIRE CHECKS GOOD. ACCOMPLISHED APU BITE TEST REF FIM 49-60 TASK 801 FOUND PREVIOUS FAULT TO BE INTERMITTENT. APU GROUND VERIFICATION CHECKS NORMay 19, 2019 · N581AS · Boeing 737890SDR CA190517005Seal · leaking(CAN) STRONG ODOUR FROM FLIGHT DECK AIR VENT ON TAKE-OFF. RESOLUTION APU FCU SEALS REPLACED, ECS DECONTAMINATION CARRIED OUT. (TC# 20190517005)May 16, 2019 · Airbus A319114SDR AALA201905159009Flow Divider · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS ODOR IN CABIN AND FLIGHT DECK REPORTED BY PAX IN ROW 2,13 FORWARD AND AFT GALLEY. F/A'S REPORT STRONG ENOUGH TO CAUSE PHYSICAL SYMPTOMS. MAINTENANCE ACCOMPLISHED CARDS 26L00021001 SMOKE ODOR FUMES INITIAL TROUBLESHOOTING, 2May 14, 2019 · N673AW · Airbus A320232SDR DALA2019050702860Fitting · looseHEAVY FUEL SMELL IN CABIN. FOUND FUEL LEAK FROM APU FUEL CONTROL DISCHARGE LINE-ELBOW FITTING LOOSE, SECURED SAME LK CHKS GOOD. PERFORMED FULL DUCT BURN OUT REF AMM21-53. CHANGED BOTH COALESCER BAGS REF MD 90 AMM 21-54. PERFORMED SECOND FULL DUCT BURNOUT AND CMay 6, 2019 · N934DN · Doug MD9030SDR DALA2019050302785Bowl · unsecureAT THE GATE THERE WAS A STRONG OILY/FUEL ODOR OF FUMES AFTER TURNING ON APU AIR. DEPLANED, ODOR DISSIPATED AFTER TURNING OFF APU AIR. ODOR STARTED IN THE AFT AND MOVED FORWARD. FOUND FUEL CONTROL FILTER BOWL NOT SECURED PROPERLY, INSTALLED PROPERLY WITH NO LEAMay 2, 2019 · N960DN · Doug MD9030SDR ASAA2019050229213Fuel Nozzle · failedAPU TREND DATA SHOWS TEMP IS AT THE THRESHOLD 605 DEGREE. GROUNDED - YES. REPLACED APU FUEL NOZZLES (QTY. 10) PER AMM 49-31-14. NO LEAKS NOTED.May 2, 2019 · N487AS · Boeing 737990ERSDR SIMA20190430005Fadec · faultySUPPLEMENTAL TO SAVE GAS WE SHUT ON NR 2 ENGINE DOWN. TO COOL THE CABIN, WE ATTEMPT TO START THE APU. IT SHUT DOWN WHEN APU SHUT DOWN IT TRIP AIRPLANE INTO ELECTRICAL CONFIGURATION. C/A-ITEM DEFFERED PER MEL 49-1 AUTH 041000DM-C. M PROCEDURE COMPLIED WITH. REMApr 30, 2019 · N840AE · Emb EMB135KLSDR DALA2019042402602Seal · leakingAFTER LANDING IN SAT STARTED APU. AFTER STARTING APU VERY STRONG FUEL ODOR IN CABIN. UPON INSP FOUND APU HIGH PRESS FUEL FILTER BOWL SEAL LEAKING. REPLACED O RING AND PERFORMED A LEAK CHECK PER MD 90 AMM 49-32. DUCT BURNOUT TWICE. SYSTEM OPS CK GOOD AT THIS TIApr 24, 2019 · N960DN · Doug MD9030SDR RU3A201904254013Apu · odorIN FLT, LEFT ENG FUEL LOW PRE LT ILLUM. MOMENTARILY AND WENT OUT. A SLIGHT FUEL SMELL WAS DETECTED. ON DESCENT WHEN APU STARTED, A STRONG FUEL SMELL FILLED CABIN-SHUT APU DOWN. OPERATIONAL CHECK OF #1 ENGINE WITH NO DEFECTS NOTED.APU ECU NOTED NO START EVENApr 23, 2019 · N85 · Cndair CL6002B16SDR DALA2019042422597Line · leakingAFT F/A SAID STRONG SMELL OF FUEL ONLY AFTER LANDING. THEN SMELL DISSIPATED BY THE TIME WE ARRIVED AT THE GATE. NO GO ODI. HAS EXCESSIVE AMOUNT OF FUEL IN APU FUEL LINE SHROUD DRAIN. POSSIBLE APU INLET CONTAMINATION. T/S FUEL LINE SHROUDS FOR LEAKS, NO FURTHERApr 22, 2019 · N998DL · Doug MD88SDR CA190418010Fcu · leaking(CAN) SOCK SMELL IN DECENT. OIL LEAK FOUND AT APU FCU. FCU REPLACED AS PER AMM 49-32-11. J/C 2-205S-00 C/O DUE SMELL IN CABIN. TEST SERVICABLE. (TC# 20190418010)Apr 15, 2019 · Airbus A320211SDR ASAA2019033129030Fuel Nozzle · failedAPU TREND DATA SHOWS CT5ATP IS AT 605C DEGREE THRESHOLD. GROUNDED - YES. REMOVED & REPLACED APU FUEL NOZZLE REF B737-800 AMM 49-31-14, LK CK & FUEL NOZZLE INSTALLATION TEST NML REF AMM TASK 49-11-00-860-801.Mar 31, 2019 · N537AS · Boeing 737890SDR ASAA2019032508719Apu · shutdownCSS FAILED. FAULT LIGHT AND 100 EGT DURING ATTEMPTED START AT FL360. MACH .79 TEMP -60 C. GROUNDED - YES. APU BITE REPORTED FC 49-31016. PERFORMED B737-800 FIM 49-30 TASK 803. FAULT CLEARED & DETERMINED TO BE INTERMITTENT FAULT THAT WAS CORRECTED. PERFORMED MUMar 20, 2019 · N536AS · Boeing 737890SDR CA190318028Manifold · leaking(CAN) APU FUEL LEAKS WERE OBSERVED FROM THE APU FUEL MANIFOLD DURING AC/70018 FTP. SAFRAN CONFIRMED THE LEAK FROM BAD WELD LOCATIONS. AIRCRAFT 70006 APU POTENTIALLY HAS THE SUSPECTED PART INSTALLED. (TCH) (TC# 20190318028)Mar 15, 2019 · Bombdr BD7001A11SDR ASAA2019030828560Unknown · malfunctionedAPU SHUTDOWN. FAULT LIGHT ILLUMINATED. GROUNDED - YES. APU SHUT DOWN DUE TO FUEL STARVATION DUE TO IMPROPER CONFIG DURING FUEL TRANSFER. RESTARTED APU. RAN APU WITH FULL ELECTRICAL LOAD AND PNEUMATIC LOAD. NO DEFECTS NOTED.Mar 8, 2019 · N469AS · Boeing 737990ERSDR AALA2019030649014O-Ring · leakingPILOT REPORTED A CABIN ODOR. MAINTENANCE DISCOVERED THE O-RING AT THE CLAMP BETWEEN THE FUEL CONTROL UNIT AND THE OIL PUMP WAS LEAKING. REMOVED AND REPLACED THE O-RING IAW AMM 49-32-11. OPS CHECKED GOOD.Mar 2, 2019 · N668AW · Airbus A320232SDR REXA2019010800012B-Nut · looseDURING THE DESCENT WE NOTICED A STRONG FUEL ODOR IN THE FLIGHT DECK. RESECURED LOOSE B NUT ON APU FUEL FLOW PRESSURE SWITCH ALL CHECKS GOOD PER AMM 49-30-00.Jan 8, 2019 · N8928A · Cndair CL6002B19SDR UIEA2019010900052Tube · unsecureAPU INOP.(<P>DEFERRED TO MDDR 105650.RE-SECURED FLOW DIVIDER TUBE AT FUEL FILTER BY PASS VALVE AT APU IAW AMM 49-31-05 OPS AND LEAK CHECK GOOD NO LEAKS NOTED.<BR /></P>)Jan 8, 2019 · N1709A · Boeing 767375SDR ASAA2018123107620Sensor · cloggedAPU TREND DATA SHOWS CT5ATP TEMPERATURE IS AT OR ABOVE THE 605 DEGREE THRESHOLD. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 49-40 TASK 825 STEPS D1 THROUGH D6E. REMOVED AND REPLACED ALL FUEL NOZZLES REF B737-800 AMM 49-31-14. FOUND TOTAL PRESSURE SENSOR ORIFICDec 30, 2018 · N518AS · Boeing 737890SDR ASAA2018122477530Fuel Nozzle · failedPER SEAMC APU CT5ATP IS BETWEEN 605-632C. GROUNDED - YES. REMOVED AND REPLACED APU FUEL NOZZLES, REF AMM 49-31-14, OPS CHECK GOOD, APU EGT WITHIN OPERATING LIMITS.Dec 17, 2018 · N531AS · Boeing 737890SDR SWIA2018120745333Fuel Control · malfunctionedSMOKE TOILET CAUTION ON FINAL APPROACH AFTER SWITCHING BLEEDS TO APU. SMELLED STRONG FUMES IN COCKPIT. SWITCHED BLEEDS BACK TO ENGINES AND MSG WENT AWAY A COUPLE MINUTES LATER. PASSENGERS SMELLED FUMES AND SAW SMOKE IN CABIN. (FLT#5587) FO: 12/07/2018 CLOSEDDec 6, 2018 · N932SW · Cndair CL6002B19SDR HALA2018120400628Actuator · malfunctionedETOPS SIGNIFICANT SYSTEM - APU AUTO-SHUT DOWN @ GATE FUEL TRIM LINE FAULT. // REMOVED & REPLACED TRIM TANK INLET VALUE ACTUATOR PER AMM 28-27- 52. FUEL TRIM LINE FAULT NO SHOW. BLEED APU FUEL LINE. OPS CHK OK. OK FOR SVCDec 3, 2018 · N380HA · Airbus A330243
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