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 CALA2013100391713Fuel Sys · malfunctionedPRIOR TO DISPATCH, APU AUTOSHUT DOWN, TRIED TO RESTART, APU WOULD NOT RESTART. CHECKED OIL LEVEL, FOUND GOOD. MESSAGE 49-10420 FUEL CLUSTER SHUTOFF SOLENOID CIRCUIT IS OPEN. REPLACED FUEL CLUSTER IAW MM.Oct 3, 2013 · N210UA · Boeing 777222SDR SWIA201334756O-Ring · damagedWITH APU RUNNING THERE IS A STRONG SMELL OF JET FUEL IN COCKPIT & CABIN. FLT#4511 REPLACED FCU O-RING, PN M25988-2-904.Sep 30, 2013 · N910EV · Cndair CL6002B19SDR ASAA2013092696049Flow Divider · malfunctionedAPU WILL NOT PROVIDE ANY AIR, 0 PSI DUCT PRESS. ACFT GROUNDED. TSR ISSUED. APU FUEL FLOW DIVIDER AND APU WIRE HARNESS REPLACED. OPS TEST OF APU PASSES. NO FAILURE MESSAGES AND AIR OPERATES REF AMM 49-11-00-710-801.Sep 26, 2013 · N508AS · Boeing 737890SDR CALA2013092691487Pump · inoperativeEICAS STATUS MESSAGE APU DISPLAYED. ACCOMPLISHED TROUBLESHOOTING IAW MAINTENANCE MESSAGE 49-07950, FOUND APU DC PUMP INOPERATIVE. ITEM DEFERRED IAW MEL 2825B PULLED CB P310B1 & INSTALLED COLLAR. REPLACED APU DC FUEL PUMP, CHECKED GOOD.Sep 22, 2013 · N775UA · Boeing 777222SDR ASOA2013091609015Clamp · crackedPRESSURE AND BLOCKAGE TEST OF THE APU FUEL FEED LINE USING GASEOUS PRESSURE REQUIRED. FOUND SMALL CRACK UNDER UPPER CLAMP ON THE APU FUEL SHROUD IAW AMM 28-20-01-780-804. REPAIRED IAW REO 601R-28-21-004. MAJOR REPAIR.Sep 3, 2013 · N853AS · Cndair CL6002B19SDR CALA2013090290915Fcu · faultyAUXILIARY POWER UNIT SHUT DOWN TWICE AT GATE. OKAYED TO CONTINUE IAW MEL 4911D. AUXILIARY POWER UNIT INOPERATIVE, VERIFIED HMG OPERATIONAL AUXILIARY POWER UNIT DOOR CLOSED DF356. FOUND LOP ON BITE REF TS MM 49-11-00-0101CO2 FIG 109 FROM BLOCK 1 SHEET 1 TO BSep 1, 2013 · N667UA · Boeing 767322SDR CA130819014Manifold · leaking(CAN) DURING AN ETOPS FLIGHT, WHILE IN CRUISE, THE FLIGHT CREW REPORTED AN APU FAULT LIGHT ILLUMINATE FOLLOWED BY AN APU SHUTDOWN. IAW THE APPROPRIATE CHECKLIST AN APU RESTART WAS ATTEMPTED BUT WAS UNSUCCESSFUL. THE ACFT HAD NOT ENTERED THE ETOPS ZONE SO AN Aug 17, 2013 · Boeing 737*SDR CALA2013081390387Actuator · faultyRECEIVED AN APU FAULT LIGHT AND APU FUEL VALVE EICAS ON APU SHUTDOWN. R & R APU FUEL SHUTOFF VALVE ACTUATOR IAW AMM 28-25-02. CHECKS GOOD.Aug 12, 2013 · N664UA · Boeing 767322SDR ASAA2013080695742Fuel Control · faultedAPU BITE CHECK, LOGGED OVERTEMP SHUTDOWN MESSAGE 49-31016 AND FCU RESOLVER CIRCUIT SHOWS BAD 49-31175. ACFT GROUNDED. REPLACED THE FCU IAW MM 49-31-11, LEAK AND OPS CHECKED GOOD. APU BITE CHECKED GOOD IAW MM 49-61-00.Aug 6, 2013 · N558AS · Boeing 737890SDR CALA2013080590134Control Unit · faultyAPU SHUTDOWN TWICE AT GATE. R & R AND INSTALLED APU CONTROL UNIT IAW FIM TASK 49-11-00. OPS CHECK NORMAL.Aug 3, 2013 · N664UA · Boeing 767322SDR SWIA201334137Rail · crackedFLUID LEAKING FROM AFT EQUIPMENT BAY, APU SHUT DOWN & RECEIVED AN APU BOTTLE LOW WARNING. FLT#4570 REPLACED CRACKED, AT FLARE, PRIMARY FUEL RAIL IAW CMM. PN ON/OFF 3830155-2 & SN ON/OFF NSN.Jul 31, 2013 · N432SW · Cndair CL6002B19SDR UALA2013071805048Fcu · failedAPU WILL NOT START. HMG TEST IAW MM 24-25-00. HMG OPERATES NORMAL. APUC READS APU NO LIGHT OFF. REPLACED FUEL CONTROL UNIT REF AMM 49-31-01 OPS CHECKED GOOD.Jul 17, 2013 · N667UA · Boeing 767322SDR CA130712008Pump · leaking(CAN) APU BOOST PUMP LEAKING FROM PUMP SHAFT SEAL WITNESS HOLE. FILLED BELLY OF AFT BAGGAGE COMPARTMENT WITH APPROXIMATELY 250ML OF FUEL. SUGGESTION TO INSTALL OVER FLOW LINE FROM PUMP WITNESS HOLE OVERBOARD.Jul 10, 2013 · Lear 60LEARSDR UIEA2013062600342Fuel Control · inoperativeAPU AUTO SHUTDOWN. R & R APU FUEL CONTROL UNIT IAW AMM 49-11-01. OPS & LEAK CHECKED GOOD.Jun 26, 2013 · N643GT · Boeing 7673JHFSDR UALA2013062004277Isolation Valve · malfunctionedAPU FUEL ISOLATION VALVE STATUS MESSAGE. REPLACED FUEL APU ISOLATION ACTUATOR IAW MM, OPS CHECKED GOOD NO OTHER DEFECTS NOTED.Jun 19, 2013 · N779UA · Boeing 777222SDR VNAA2013061000006Solenoid Valve · faultyIT WAS REPORTED AFTER APU SHUTDOWN FLAMES WERE COMING FROM APU EXHAUST AREA. WHEN POWER WAS SWITCHED OFF FLAMES EXTINGUISHED. MAINTENANCE TROUBLESHOT, INSPECTED, REMOVED AND REPLACED THE APU FUEL SELONOID VALVE AFTER INSPECTING FOR FIRE DAMAGE. NO DAMAGE NOJun 10, 2013 · N228PS · Cndair CL6002B19SDR ASOA20130602056RFuel Control · leakingCREW REPORTED A CONTINUIOUS STRONG ODOR OF FUEL WHEN THE APU IS POWERING THE PACKS. R & R THE APU FUEL CONTROL WITH OPS AND LEAK CHECKS SUCCESSFUL.Jun 2, 2013 · N11547 · Emb EMB145LRSDR USAA2013051700018Tank · fullCREW REPORTED A STRONG SMELL OF FUEL STARTING IN REAR OF CABIN THEN MOVING FORWARD AFTER LANDING. POSSIBLY DURING APU START. MAINTENANCE PERFORMED J/C 26L00021001 AND FOUND APU DRAIN TANK FULL. DRAINED TANK PER AMM 49-17-41-000-001-A. RAN BOTH PACKS FOR 30May 17, 2013 · N828AW · Airbus A319132SDR UALA2013042602938B-Nut · leakingSTRONG ODOR OF FUEL IN COCKPIT WHILE USING APU AIR. SECURED FUEL NOZZLE B-NUT IAW AMM 49-31-99 PG 601. RAN APU IAW JRH 2-5-15 PAGE 1. NO LEAKS NOTED. FUEL LEAK WAS AT A SECONDARY NOZZLE WHEN HIGH FLOW RATE EXISTED.Apr 25, 2013 · N574UA · Boeing 757222SDR SWIA201333302Clamp · defectiveFUEL LEAKING FROM WEEP HOLES UNDERSIDE OF FUSELAGE. (FLT 3554) REPLACED APU FUEL FEED LINE WIGGINS CLAMP O-RINGS AND CLAMP IAW AMM. LEAK CHECK GOOD. P/N: MS 29513-214 /PN: W991-16DEApr 23, 2013 · N969SW · Cndair CL6002B19SDR UALA2013042302792Actuator · faultyAPU FUEL SHUTOFF VALVE SHOWS AMBER IN TRANSITON LOWER ECAM FUEL PAGE. APU SYSTEM TO BE DEFERRED IN COMPLIANCE WITH MEL CARD 49060. APU FUEL SHUTOFF VALVE SHOWS AMBER IN TRANSITION LOWER ECAM FUEL PAGE. APU SHUTOFF VALVE INOP. REMOVED AND REPLACED APU LP ACApr 21, 2013 · N466UA · Airbus A320232SDR ASAA2013041994549Fcu · failedAPU WILL NOT START. NO LIGHT OFF. MADE THREE ATTEMPTS. FAULT LIGHT ILLUMINATED MAINTENANCE MESSAGE 49-31166 - FUEL CONTROL UNIT SHOWS SOLENOID HIGH CURRENT NO FLAME SHUTDOWN. REPLACED APU FUEL CONTROL UNIT IAW AMM 49-31-11. OPS CHECK GOOD, NO DEFECTS NOTEDApr 19, 2013 · N585AS · Boeing 737890SDR ASOA20130415028Fcu · leakingTHE CREW REPORTED A STRONG FUEL ODOR IN COCKPIT DURING TAXI AND ROTATION. MX REPLACED THE APU FUEL CONTROL ASSY THAT WAS LEAKING. OPS CHECKED GOOD.Apr 15, 2013 · N10575 · Emb EMB145LRSDR ASAA2013040494332Fuel Nozzle · failedAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE ESTABLISHED THRESHOLD. REMOVED FUEL NOZZLES IAW TASK 49-31-14-000-801, ITEM 2AE, 1-3 12292. DURING REMOVAL OF NOZZLES, 3 FASTNERS SHEARED AT 5, 7, 8 O`CLOCK POSITION REINSTALLED HARDWARE AND LINES IAWApr 4, 2013 · N589AS · Boeing 737890SDR SWIA201333115O-Ring · damagedSTRONG ODOR OF FUEL THROUGH PACKS WHICH DISSIPATED ONCE APU WAS SHUT OFF. (FLT 5361) REMOVED AND REPLACED O-RING ON FUEL APU CONTROL UNIT FITTING IAW AMM.Apr 1, 2013 · N472CA · Cndair CL6002B19SDR USAA2013040200029Seal · leakingUPON INITIAL START-UP WITH APU RUNNING AND BOTH PACKS ON, ODOR IN CABIN. FOUND FUEL LEAK AT APU FUEL FILTER HOUSING. REPLACED SEAL IAW AIRBUS MAINTENANCE MANUAL 49-32-11-301, NO LEAKS NOTED.Mar 30, 2013 · N660AW · Airbus A320232SDR ASOA20130328027Fcu · leakingTHE CREW REPORTED A VERY STRONG FUEL ODOR RT AFTER TAKEOFF AND LASTED 2-03 MINUTES. MX INSPECTED AND REPLACED THE APU FUEL CONTROL UNIT. OPS CHECKED GOOD.Mar 28, 2013 · N13997 · Emb EMB145LRSDR WX0A2013032771546Packing · damagedWHILE AT THE GATE IT WAS NOTICED THERE WAS FUEL DRIPPING FROM THE APU AND A SMELL OF FUEL WAS NOTICED IN THE CABIN AREA. REMOVED AND REPLACED THE FUEL CONTROL UNIT'S PACKINGS AND PERFORMED PACK BURN AND APU HEALTH CHECK. OPS AND LEAK CHECKED NORMAL. C/W TASMar 26, 2013 · N871GA · Doug DC983SDR UALA2013032501820Fcu · failedAPU AUTO SHUTDOWN, RETURNED TO FIELD. REMOVED AND REPLACED FCU AND ECU PER AMM. LEAK AND OPS CHECKED GOOD PER SAME.Mar 24, 2013 · N669UA · Boeing 767322SDR UALA2013032501875Fcu · faultyREPLACED APU FLOW SENSING MODULE REF DF676 APU AUTO SHUTDOWN. REPLACED FLOW SENSING MODULE, NO HELP ACC. APU DEEP BITE TEST FAULTS SHOW DELTA P, FUEL CONTROL UNIT, DE-OILER SOLENOID, HOT SENSOR AND P2 SENSORMar 22, 2013 · N552UA · Boeing 757222SDR SWIA201333039Fitting · defectiveSTRONG OIL SMELL THROUGHOUT CABIN. (FLT 2962) REPLACED ELBOW FITTING BETWEEN APU FUEL SHUTOFF SOLENOID AND APU FUEL CONTROL. APU OPS CHECK GOOD, NO LEAKS NOTED, NO SMELL OF FUEL IN CABIN.Mar 20, 2013 · N886AS · Cndair CL6002B19SDR UALA2013031901687Fcu · faultyAPU FAILS TO START, HAVE IGNITION BUT NO FUEL. FAULTED FUEL CONTROL. REMOVED AND REPLACED APU FCU. OPS & LEAK CHECKED GOOD.Mar 18, 2013 · N490UA · Airbus A320232SDR SIMA20130223009Apu · failedFLIGHT 3557, CREW REPORTED A STRONG ODOR OF FUEL IN CABIN & COCKPIT WITH PACKS ON. APU FUEL SHUT OFF VALVE. REMOVED AND REPLACED APU. THE AIRCRAFT WAS RETURNED TO SERVICE.Feb 23, 2013 · N611AE · Emb EMB145SDR ASAA2013021693912Drain Mast · crackedPOSSABLE CRACK IN HYD AND APU FUEL FEED DRAIN MAST. VERIFIED CRACK W HFEC JM 83433 NR 6. R & R DRAIN MAST REF MM 28-25-07.Feb 16, 2013 · N592AS · Boeing 737890SDR VNAA2013020500002Fuel Control · leakingCREW REPORTED SMOKE TOILET CAUTION MESSAGE ON DESCENT AFTER SWITCH TO APU BLEED. NO SMOKE IN CABIN, BUT FAIRLY STRONG SMELL WHEN BLEEDS WERE SWITCHED. MESSAGE WENT AWAY ON ITS OWN AFTER ONE MINUTE. CREW LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOFeb 5, 2013 · N247JS · Cndair CL6002B19SDR UALA2013012900520Fcu · malfunctionedAPU WILL NOT START AND MM REPORTING THEY REPLACED FUEL CONTROL UNIT. APU ALTITUDE START REQUIRED DUE TO FUEL CONTROL REPLACEMENT. REF PTT NR 3832002 APU COLD SOAK REQUIREMENT WAS SUCCESSFUL.Jan 27, 2013 · N552UA · Boeing 757222SDR UALA2013012800484Fcu · failedAPU AUTO SHUTDOWN. REPLACED THE APU FUEL CONTROL UNIT. SYSTEM OPS NORMAL.Jan 27, 2013 · N552UA · Boeing 757222SDR UALA2013012800483Fcu · failedUNABLE TO START APU AT GATE. REPLACED APU FUEL CONTROL UNIT PER AMM. OPS CHECKED APU START PER JRH, OPS OK.Jan 27, 2013 · N552UA · Boeing 757222SDR ASAA2013012493752Packing · leakingFUEL LEAK COMING FROM THE APU. ACFT GROUNDED. FOUND FUEL LEAK FROM FCU FUEL SUPPLY LINE NEAR TUBE RETAINER. REPLACED FUEL SUPPLY LINE O-RINGS AND HARDWARE IAW AMM 49-31-11. RUN APU FOUND NO LEAKAGE, ALL OPERATIONS NORMAL.Jan 24, 2013 · N508AS · Boeing 737890SDR ASAA2013012393738Flow Divider · failedCSS PASSED WITH FAULT LIGHT ON FIRST ATTEMPTED FL 390. SECOND ATTEMPT STARTED BETWEEN FL 380 AND FL 350 APU STARTED FINE. ACFT GROUNDED. IAW POWERPLANT ENG REQUEST ACCOMPLISHED TASK 49-60, TASK 899 WITH FOLLOWING RESULTS FAULT HISTORY PAGE SHOWS 49-31016 JAJan 23, 2013 · N531AS · Boeing 737890SDR USAA2013011400023Flow Divider · leakingSIGNIFICANT OIL ODOR NOTED IN FLIGHT DECK AND CABIN DURING DESCENT. ODOR PERSISTED ON GROUND WITH APU BLEED ON. MAINTENANCE REMOVED AND REPLACED THE AUXILIARY POWER UNIT (APU). HONEYWELL CONFIRMED LEAK AT FUEL FLOW DIVIDER.Jan 9, 2013 · N627AW · Airbus A320231SDR CA130108004Fuel Control · failed(CAN) WHILE ENROUTE, IN THE ETOPS ZONE, THE AUXILIARY POWER UNIT OVER SPEED LIGHT ILLUMINATED AND THE APU PERFORMED A PROTECTIVE AUTO SHUTDOWN. THE CREW DID NOT ATTEMPT A RESTART AND CONTINUED TO THE DESTINATION WHERE MAINTENANCE WAS ABLE TO RESTART THE APU OJan 7, 2013 · Boeing 737*SDR USAA2013011000026Fuel Control · malfunctionedGROUND PERSONNEL REPORTED SMOKE AND FLAMES COMING FROM APU AFTER SHUTDOWN USING MASTER SWITCH. FLAMES WOULD NOT SUBSIDE - APU FIRE BUTTON WAS PUSHED - FLAMES EXTINGUISHED. MAINTENANCE REPLACED AIR/OIL SEPARATOR ADAPTER IAW AIRBUS MAINTENANCE MANUAL 49-26-54.Jan 7, 2013 · N172US · Airbus A321211SDR HALA2013010500004Apu · faultedAPU AUTO SHUTDOWN. FOUND APU FAULT FCU, APU FUEL SUPPLY PRESSURE, APU ROTATION BLEED, APU FUEL LINE IAW MM 28-22-00-820-801-A, GROUND OPS CHECKED OK.Jan 5, 2013 · N384HA · Airbus A330243SDR SWIA201232463Fuel Line · defectiveFUEL SMELL PRESENT IN AIR FROM GASPERS ON FLIGHT DECK. (FLT 2987) REMOVED AND REPLACED FUEL LINE.Dec 26, 2012 · N886AS · Cndair CL6002B19SDR USAA2012122600007Fcu · failedSTRONG SMELL OF FUEL IN AIRCRAFT PHX TOWER REPORTED FIRE ON APU EXHAUST. APU FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED FUEL CONTROL UNIT (FCU) DUE TO INTERNAL FAILURE. ALSO REPLACED APU FIRE BOTTLE. RAN APU AND OPS CHECKED GOOD.Dec 25, 2012 · N627AW · Airbus A320231SDR MASA2012121852358Fitting · looseASH FLIGHT 1043 ITO - HNL REPORTED A FUEL SMELL IN CRUISE COMING FROM THE NR 1 PACK WHILE THE NR 1 ENGINE WAS BEING USED AS THE BLEED SOURCE FOR THE NR 1 PACK. MAINTENANCE FOUND A LOOSE FUEL FITTING AT THE APU FUEL FEED SHUT OFF VALVE AND SECURED IT. MAINTENDec 18, 2012 · N75995 · Cndair CL6002B19SDR SWIA201232335Unknown · odorAFTER STARTING APU CABIN DEVELOPED A STRONG FUEL SMELL. (FLT 4486) INSPECTED APU, ENGINES, AND SURROUNDING AREA FOR SIGNS OF FUEL LEAK, NOTHING NOTED. RAN PACKS WITH APU BLEED AND EACH ENGINE'S BLEEDS SEPARATELY. NO STRONG ODOR NOTED. AIRCRAFT OKAY FOR SEDec 8, 2012 · N455CA · Cndair CL6002B19SDR UALA2012112606775Fuel Sys · malfunctionedAPU CONTROL STATUS MESSAGE. REPLACED APU FUEL CLUSTER ASSEMBLY. ACP LEAK CHECK, VERIFIED NO EICAS MSGS AIRCRAFT RETURNED TO NORMAL CONFIGURATION.Nov 23, 2012 · N215UA · Boeing 777222SDR SWIA201232110Fuel Line · chafedFUEL SMELL IN AIR CONDITIONING SYSTEM. (FLT 2956) APU BELLOWS CLAMP CHAFED FUEL LINE.Nov 5, 2012 · N496CA · Cndair CL6002B19
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