JASC 4990

Service difficulty reports · 2,654

Reports filed under 4990 · APU Oil 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 = '4990'
  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 AALA202211278841O-Ring · leakingAIRCRAFT WAS GROUNDED: FUEL / FUME ODOR IN AFT GALLEY AREA. MAINTENANCE FOUND APU OIL COOLER TRANSFER TUBE O-RING LEAKING. REPLACED O-RING PER AMM 49-91-44 AND AMM 49-52-51. CLEANED APU INLET AND LOAD COMPRESSOR.Nov 22, 2022 · N752US · Airbus A319112SDR DXTA2022112274520Apu · overheatedUPON APPROACH INTO AIRPORT AFTER START ATTEMPT OF APU, WE OBSERVED AN APU RED CAS MESSAGE OF APU LOW OIL PRESSURE FOLLOWED BY RED CAS MESSAGE OF APU OVER TEMP. THIS FOLLOWED BY AN AUTO SHUTDOWN. REMOVED APU, INSTALLED REPAIRED APU. SERVICED WITH 2.5 QTS OF Nov 22, 2022 · N245QS · Cndair CL6002B16SDR ASAA2022112040901Filter · cloggedREFERENCE ASA LOG PAGE 60411597 DURING TROUBLE SHOOTING FOUND APU OIL FILTER CLOGGING INDICATOR TRIPPED. GROUNDED - YES. IN ACCORDANCE WITH B737-9 AMM 49-91-13-600-801 REMOVED AND REPLACED LUBE FILTER ELEMENT IN ACCORDANCE WITH AMM 49-91-12-600-801 LEAK CK GOONov 20, 2022 · N933AK · Boeing 7379SDR AALA202211252694Pressure Switch · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED DIRTY SOCK SMELL DURING DESCENT THRU APROXIMATELY 12000 FEET IN THE FLIGHT DECK AND CABIN. FLIGHT CREW DONNED O2 MASKS AND DECLARED AN EMERGENCY. THE AIRCRAFT LANDED AT ITS DESTINATION OF TPA SAFELY WITHOUT FURTHER INov 16, 2022 · N112US · Airbus A320214SDR DALA2022111807424Idg · failedSHIP 3737 -DIV- DISPATCHED IAD WITH RT IDG ON MEL. ENROUTE LOST APU, DOWN TO SINGLE ELECTRICAL SOURCE, DIVERTED TO MSP. CORRECTIVE ACTION: REPLACED RT IDG. APU AUTO SHUTDOWN DUE TO LOW OIL PRESSURE. CLEANED OIL COOLER, CHANGED OIL AND FILTER. REPLACED LOP SWITNov 16, 2022 · N3737C · Boeing 737832SDR DALA2022111707416Duct · contaminatedSHIP 6822 DIRTY SOCK SMELL ON DECENT. CORRECTIVE ACTION: C/W NO GO ODI CK LIST FOR SMELL FROM PNEU SOURCE. FOUND EVIDENCE OF OIL IN APU BLEED DUCT AFT OF 'P' DOME, REF B757 FIM 21-00-01/301. RAN #1 + 2 ENGS FOR PACK BURN OUT, NO ADVERSE SMELLS NOTED. R /R L ANNov 15, 2022 · N822DX · Boeing 75726DSDR GTIA2022111036769Oil System · overservicedFUME EVENT IN FLIGHT AFT GALLEY ONLY NOTICED DIRTY SOCKS SMELL AFTER TAKEOFF DIVERTED TO BWI -PERFORMED TSM 05-50-00-810-831-A INSPECTED APU COMPARTMENT AREA FOUND APU OVER SERVICED REMOVED EXCESS OIL IAW AMM 12-13-49 PERFORMED ENG RUN FOR ENG 1 & 2 IAW AMM 71Nov 8, 2022 · N930NK · Airbus A320271NSDR AALA202211251057Cooling Fan · leakingAIRCRAFT WAS GROUNDED: INBOUND FLIGHT ATTENDANT REPORTED ODOR / FUME EVENT DURING LANDING PHASE,. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202211101057: MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING AND REPLACEDNov 7, 2022 · N740UW · Airbus A319112SDR AALA202211168936Cooling Fan · leakingAIRCRAFT WAS GROUNDED: SLIGHT MUSTY ODOR ON DECENT SIMILAR CRAYONS OR WAX THAT WENT AWAY WITH NO ACTION BEING TAKEN BY THE FLIGHT CREW. THE ODOR RETURNED AFTER LANDING DURING TAXI IN AND AT THE GATE. MAINTENANCE FOUND EVIDENCE OF AN OIL LEAK ON THE APU. MAINNov 1, 2022 · N722US · Airbus A319112SDR ASAA2022103040549Pressure Switch · faultyAPU WAS STARTING AND PUT ON BUS TAXIING IN THEN AUTO SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED APU LOW OIL PRESSURE SWITCH IAW B737-9 AMM 49-94-22.Oct 30, 2022 · N924AK · Boeing 7379SDR FDEA202210272677Oil System · low pressureAPU SHUTDOWN AT CRUISE RESULTING IN SINGLE GENERATOR REMAINING. EMERGENCY DECLARED AND RETURNED TO LFPG FOR NORMAL LANDING. EMERGENCY DECLARED, APU SHUT DOWN IS RELATED TO WRI 49-90/3559 WITH CORRECTIVE ACTION , APU OIL QTY IN STATUS , SUDDEN APU OIL Oct 27, 2022 · N922FD · Boeing 75723ASDR IPXA2022102787559Oil System · leakingINSPECTION TYPE:N/AON APPROACH TURNED ENG & WING ANTI-ICE ON. SHORTLY AFTER HAD A FAINT SMELL IN COCKPIT. ON FINAL APPROACH NOTICED A FAINT VISIBLE SMOKE IN COCKPIT OVERHEAD LIGHT. SEEMED TO START TO DISSIPATE AFTER ANTI-ICE OFF.T/S C/O IAW TSM 21-20-00 PG 117Oct 27, 2022 · N146UP · Airbus A300F4622RSDR ASAA2022102640532Fcu · leakingAPU OIL MONITORING DATA SHOWS OIL CONSUMPTION TO BE TRENDING HIGHER THAN EXPECTED. GROUNDED - YES. REMOVED AND REPLACED APU FUEL CONTOL UNIT PER B737-800 AMM 49-31-11.Oct 26, 2022 · N589AS · Boeing 737890SDR AALA202211013970Apu · leakingAIRCRAFT WAS GROUNDED: DURING CLIMB AND FIRST FEW MINUTES AT CRUISE FL 250 STRONG PUNGENT SMELL NOTED MID-CABIN ROW 11' AND IN FLIGHT DECK, SMELL DISSIPATED AFTER 15 MINUTES NO SMOKE. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU DUE TO FINDING EVIDENOct 21, 2022 · N837AW · Airbus A319132SDR AALA202210253970None · noneAIRCRAFT WAS GROUNDED: DURING CLIMB AND FIRST FEW MINUTES AT CRUISE FL 250 STRONG PUNGENT SMELL NOTED MID-CABIN ROW 11' AND IN FLIGHT DECK, SMELL DISSIPATED AFTER 15 MINUTES NO SMOKE. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU DUE TO FINDING EVIDENOct 21, 2022 · N837AW · Airbus A319132SDR ASAA2022101140254Filter · pluggedAPU OIL FILTER DPI FOUND EXTENDED. GROUNDED - YES. APU OIL FILTER REMOVED AND REPLACED. DURING FILTER REPLACEMENT COULD NOT RESET INDICATOR. INDICATOR REPLACED AND OPS NORMAL. APU LEAK CHECK CARRIED OUT SATISFACTORY WITH NO LEAKS NOTED REF B737-800 AMM 49-91-1Oct 11, 2022 · N538AS · Boeing 737890SDR SWAA2022101158531Module · lowAPU LOW OIL PRESSURE ILLUMIATED ON CLIMBOUT (APPROX FL 370) - SINGLE ELECTRICAL SOURCE / [01] SUSPECT APU OIL COOLER PART NO.160564-2. PART NO STOCK TPA. OK TO CONTINUE PER MEL 49-1-01 SP1 AUTHORIZATION #95477;[02] R AND R APU LUBE MODULE AND OIL COOLER PER MMOct 9, 2022 · N7825A · Boeing 7377CTSDR SWAA2022101158533None · lowAPU LOW OIL PRESSURE ILLUMIATED ON CLIMBOUT (APPROX FL 370) - SINGLE ELECTRICAL SOURCE / [01] SUSPECT APU OIL COOLER PART NO.160564-2. PART NO STOCK TPA. OK TO CONTINUE PER MEL 49-1-01 SP1 AUTHORIZATION #95477;[02] R AND R APU LUBE MODULE AND OIL COOLER PER MMOct 9, 2022 · N7825A · Boeing 7377CTSDR AALA202210185553Cooling Fan · leakingAIRCRAFT WAS GROUNDED: ON DECENT, FLIGHT ATTENDANTS REPORTED BURNING RUBBER SMELL LOCALIZED IN BACK. CREW ACCOMPLISHED SMOKE/ FUMES CHECKLIST. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU WHICH WAS FOUND TO BE LEAKING OIL. **ORIGINAL REPORT WAS AALA2Oct 4, 2022 · N752US · Airbus A319112SDR AALA202210187912Oil Cooler · leakingAIRCRAFT WAS GROUNDED: ON DECENT, FLIGHT ATTENDANTS REPORTED BURNING RUBBER SMELL LOCALIZED IN BACK. CREW ACCOMPLISHED SMOKE/ FUMES CHECKLIST. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU WHICH WAS FOUND TO BE LEAKING OIL. **SUPPLEMENTAL REPORT FOR AOct 4, 2022 · N752US · Airbus A319112SDR DALA2022100606497Oil Cooler · damaged(LOG 2435784) REPORTS OF OIL SMELL IN CABIN FROM UNKNOWN SOURCE AT DEPARTURE. FOUND APU OIL COOLER CONTAMINATED. R/R SAME PER B737 AMM 49-91. LK CK OK. R/R RECIRCULATION FILTERS PER B737 AMM 21-25.Oct 3, 2022 · N377DA · Boeing 737832SDR DALA2022100506487None · noneAIRCRAFT 3264, AFTER ENGINE START AFT FLIGHT ATTENDANTS REPORTED ELECTRICAL SMELL LINGERING FOR A FEW MINUTES. CORRECTIVE ACTION: FOUND OIL CONTAMINATION IN APU INLET. PERFORMED AMDS W/C 2100-2003 FOR APU BURN AND ECS SYSTEM. NO TROUBLE FOUND. APU PUT ON MEL 4Oct 3, 2022 · N364NW · Airbus A320212SDR AALA202210136447Apu · overservicedAIRCRAFT WAS GROUNDED: MILD TO MODERATE OIL ODOR NOTICED IN FLIGHT DECK AND CABIN. ON GROUND WITH APU BLEED AND IN-FLIGHT DURING CRUISE, DESCENT, APROACH AND LANDING. MAINTENANCE FOUND EVIDENCE OF OIL ON APU PLENEUM AND APU AIR INTAKE. **SUPPLEMENTAL REPORT FOOct 2, 2022 · N837AW · Airbus A300*SDR AALA202210100343Apu · overservicedAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED STRONG ELECTRICAL / BURNING PLASTIC SMELL IN THE FLIGHT DECK / CABIN INBOUND TO CLT AND AT THE GATE AFTER ENGINE SHUTDOWN. MAINTENANCE FOUND EVIDENCE OF AN APU OIL LEAK AT THE INLET AND DETERMINED THE APU WAS THE SOUSep 28, 2022 · N914UY · Airbus A300*SDR AALA202209291778Pressure Switch · defectiveAIRCRAFT WAS GROUNDED: WITH #1 ENGINE IDG INOPERATIVE AND ON MEL APU AUTO SHUT DOWN ON CLIMB OUT AND WERE DOWN TO SINGLE GENERATOR OPERATION. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. **ORIGINALSep 23, 2022 · N165US · Airbus A300*SDR AALA202209266508Apu · leakingAIRCRAFT WAS GROUNDED: UPPON INITIAL DESCENT INTO CLT, STRONG SMELL WAS NOTICED THROUGHOUT THE CABIN AND COCKPIT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO AN INTERNAL OIL LEAK ON THE APU. **SUPPLEMENTAL REPORT FOR AALA202209216508: REPLACED APU PER TASK Sep 20, 2022 · N186US · Airbus A300*SDR AALA202209216508Apu · leakingAIRCRAFT WAS GROUNDED: UPPON INITIAL DESCENT INTO CLT, STRONG SMELL WAS NOTICED THROUGHOUT THE CABIN AND COCKPIT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO AN INTERNAL OIL LEAK ON THE APU. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Sep 20, 2022 · N186US · Airbus A300*SDR F3LA2022091900112Oil System · leakingDUE TO SEVERAL ODOR EVENTS AND OIL FOUND IN APU DUCTS, INLET,AND DOOR,APU NEEDS MEL. PLACED ON MEL 49-10-01 CONTROL # 1186539 DUE DATE09-29-2022 MCC ABM 430781 MX ACTIONS CW - PLACARDS INSTALLED.Sep 15, 2022 · N210FR · Airbus A320214SDR YENA2022091400918None · failedFLT#288, LAX-BOS. (ETOPS) 'PIREP: AVIONICS VENT FAULT ( SKIN AIR OUTLET VALVE (AVIONICS)); REPLACED SKIN AIR OUTLET VALVE REF AMM 21-26-53. MX-4 UPDATED, PLACARD REMOVED. ' (SUPPLEMENTAL INFORMATION ADDED)Sep 12, 2022 · N2142J · Airbus A321271NSDR ASAA2022091240057Lubrication Unit · faultyCSS APU FAILED START AT FL380, FL380, FL310 - FAULT LIGHT. GROUNDED - YES. REMOVED & REPLACED APU LUBE MODULE REF B737-800 AMM 49-91-11.Sep 12, 2022 · N558AS · Boeing 737890SDR ASAA2022091139932Lubrication Unit · faultyCSS APU FAILED START AT FL360 FAULT LIGHT ILLUMINATED APU FAILED START AT FL360 FAULT LIGHT. GROUNDED - YES. REMOVED & REPLACED APU LUBE MODULE REF B737-800 AMM 49-91-11. (ASA L/P 60396124)Sep 11, 2022 · N558AS · Boeing 737890SDR F3LA2022091200097Apu · fumesDISCREPANCY: REFERENCE LP 224151 POSSIBLE FUME EVENT IN CABIN. REPORTED BY 2 PEOPLE. CORRECTIVE ACTION: PERFORMED INSPECTION OF THE APU UPON ODOR IN THE CABIN/FUMES IN THE CABIN/OIL SMOKE, LEVEL B. NO LEAKS NOTED. REPLACED RECIRCULATION FILTER CARTRIDGES. T/Sep 9, 2022 · N210FR · Airbus A320214SDR ASAA2022090539824Filter Element · cloggedAPU OIL FILTER DPI EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE FILTER ELEMENT PER B737-800 AMM 49-91-12.Sep 5, 2022 · N538AS · Boeing 737890SDR AALA202209162425Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORT AIR CONDITIONING HAD A DIRTY SOCK SMELL. ON DECENT. MAINTENANCE FOUND OIL IN THE APU INTAKE. **SUPPLEMENTAL REPORT FOR AALA202209072425: MAINTENANCE FOUND OIL LEAKING FROM THE LOAD COMPRESSOR DRAIN LINE AND MATINGSep 4, 2022 · N661AW · Airbus A300*SDR AALA202209072425Apu · odorAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORT AIR CONDITIONING HAD A DIRTY SOCK SMELL. ON DECENT. MAINTENANCE FOUND OIL IN THE APU INTAKE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Sep 4, 2022 · N661AW · Airbus A300*SDR AALA202209073417Apu · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS OF ODOR ON DESCENT OF A MUSTY ODOR. DURING TROUBLESHOOTING, IT WAS DISCOVERED THAT APU WAS LEAKING OIL. REMOVED AND REPLACED APU. **SUPPLEMENTAL REPORT FOR AALA202209013417: APU REPLACED.** (CLOSED)Aug 31, 2022 · N779AN · Boeing 777SDR AALA202209013417None · noneAIRCRAFT WAS GROUNDED: PILOT REPORTS OF ODOR ON DESCENT OF A MUSTY ODOR. DURING TROUBLESHOOTING, IT WAS DISCOVERED THAT APU WAS LEAKING OIL. REMOVED AND REPLACED APU. REFERENCE JOB CARD 72L00021001, BOTH LEFT AND RIGHT AIR CONDITIONING PACK SYSTEM COMPONENTS MAug 31, 2022 · N779AN · Boeing 777SDR AALA202209091146Oil Cooler · leakingAIRCRAFT WAS GROUNDED: DURING DECENT ODOR OF DIRTY SOCKS/OIL FUME SMELL ON FLIGHT DECK. ODOR WAS NOT PRESENT IN PASSENGER CABIN ACCORDING TO FLIGHT ATTENDANTS. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202208291146: Aug 26, 2022 · N723UW · Airbus A319112SDR AALA202209096343Transfer Tube · leakingAIRCRAFT WAS GROUNDED: DURING DECENT ODOR OF DIRTY SOCKS/OIL FUME SMELL ON FLIGHT DECK. ODOR WAS NOT PRESENT IN PASSENGER CABIN ACCORDING TO FLIGHT ATTENDANTS. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **ORIGINAL REPORT WAS ALA202208291146** MAINAug 26, 2022 · N723UW · Airbus A319112SDR AALA202209094454O-Ring · leakingAIRCRAFT WAS GROUNDED: DURING DECENT ODOR OF DIRTY SOCKS/OIL FUME SMELL ON FLIGHT DECK. ODOR WAS NOT PRESENT IN PASSENGER CABIN ACCORDING TO FLIGHT ATTENDANTS. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **ORIGINAL REPORT WAS ALA202208291146** MAINAug 26, 2022 · N723UW · Airbus A300*SDR ASAA2022082139673Unknown · failedAPU FAILED CSS. GROUNDED - YES. REMOVED AND REPLACED APU LUBE UNIT PER B737-800 AMM 49-91-11.Aug 21, 2022 · N577AS · Boeing 737SDR AALA202209010819Transfer Tube · leakingAIRCRAFT WAS GROUNDED: AT TOP OF DESCENT ODOR IN FLIGHT DECK (NOT) CABIN DETERMINED AS MODERATE CATEGORY A IN QRH TURNED PACK 1 OFF ODOR DISSIPATED. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202208230819: MAINTENANCE FOUND LAug 20, 2022 · N133AN · Airbus A300*SDR AALA202209019274None · leakingAIRCRAFT WAS GROUNDED: AT TOP OF DESCENT ODOR IN FLIGHT DECK (NOT) CABIN DETERMINED AS MODERATE CATEGORY A IN QRH TURNED PACK 1 OFF ODOR DISSIPATED. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **ORIGINAL REPORT WAS AALA202208230819** MAINTENANCE FOUND LEAKAug 20, 2022 · N133AN · Airbus A300*SDR AALA202209016871None · leakingAIRCRAFT WAS GROUNDED: AT TOP OF DESCENT ODOR IN FLIGHT DECK (NOT) CABIN DETERMINED AS MODERATE CATEGORY A IN QRH TURNED PACK 1 OFF ODOR DISSIPATED. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **ORIGINAL REPORT WAS AALA202208230819** MAINTENANCE FOUND LEAKAug 20, 2022 · N133AN · Airbus A300*SDR AALA202208230819None · noneAIRCRAFT WAS GROUNDED: AT TOP OF DESCENT ODOR IN FLIGHT DECK (NOT ) CABIN DETERMINED AS MODERATE CATEGORY A IN QRH TURNED PACK 1 OFF ODOR DISSIPATED. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Aug 20, 2022 · N133AN · Airbus A300*SDR AALA202208257474Apu · leakingAIRCRAFT WAS GROUNDED: NOXIOUS MUSTY SMELL IN COCKPIT STARTING AT IDLE DESCENT. **SUPPLEMENTAL REPORT FOR AALA202208227474: ACCOMPLISHED SMOKE ODOR FUME INITIAL TROUBLESHOOTING JOB CARD 72L00021001. APU FOUND TO BE SOURCE OF ODOR DUE TO OIL LEAK BETWEEN APU ANAug 19, 2022 · N797AN · Boeing 777SDR ASAA2022081739543Element · cloggedFOUND APU FILTER DPI EXTENDED. GROUNDED - YES. REPLACED LUBE FILTER ELEMENT REF B737-800 AMM 49-91-12.Aug 17, 2022 · N577AS · Boeing 737890SDR AALA202208247106Apu · leakingAIRCRAFT WAS GROUNDED: DIRTY / MUSTY SOCK SMELL THRU-OUT CABIN. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202208167106: REPLACED APU PER TASK CARD 26L31049003. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NOAug 13, 2022 · N915US · Airbus A300*SDR CALA2022081002011Pressure Switch · warning lightAPU LOW OIL PRSSR LIGHT. REMOVED & REPLACED APU LOW OIL PRESSURE SWITCH REF AMM 49-94-22. OPS CHECK GOOD NO MESSAGES IN APU BITE CHECK. PLA REMOVED.Aug 10, 2022 · N33209 · Boeing 737824SDR AALA202208248302Oil Cooler · leakingAIRCRAFT WAS GROUNDED: ON DECENT OILY SMELL FILLED CABIN AND COCKPIT. TURNED OFF RIGHT PACK, ODOR DISSIPATED. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202208118302: MAINTENANCE FOUND THE APU OIL COOLER LEAKING OIL AAug 8, 2022 · N775XF · Airbus A300*
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