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 AALA202405151774Line · cloggedAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED THAT PRIOR TO LANDING A BURNING SMELLWAS NOTED IN ENTIRE AIRCRAFT BUT WAS MORE NOTICEABLE IN THE REAR OF THE AIRCRAFT. **SUPPLEMENTAL REPORT FOR AALA202405061774: MAINTENANCE FOUND THE APU GEAR BOX AIR-OIL SEPMay 2, 2024 · N982VJ · Airbus A321231SDR DALA2024042904758Apu · leakingDIRTY SOCK SMELL ON DESCENT. C/W AMDS W/C 0550-2002. SOURCE OF SMELL IS FROM APU. DURING INSPECTION FOUND LEAK AT LUBE PUMP PLATE SEAL. REMOVED AND REPLACED PLATE SEAL REF AMM 49-91.Apr 27, 2024 · N344NB · Airbus A319114SDR YENA2024042900669Apu · contaminatedFLT#469, BOS-FLL. 'STRONG LEVEL 2 DIRTY SOCK. DESCENDING FROM 4K TO 3K ON APPROACH. PILOTS THOUGHT IT SOMEWHAT DISSIPATED. FLIGHT ATTENDANT'S DID NOT; FOUND SOURCE OF SMELL: APU HAS OIL SATURATION. "COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION B2. DECONApr 26, 2024 · N630JB · Airbus A320232SDR CALA2024042601247Oil System · low pressureAPU AUTO SHUTDOWN IN FLIGHT DUE TO LOW OIL PRESSURE PERFORMED FIM 49-15 TASK 802, FOUND APU OIL LOW LEVEL, ADDED OIL TO APU AS PER AMM TASK 12-13-31-610-803, AS WELL PERFORMED APU GENERATOR CONTROL UNIT BITE PROCEDURE AS PER FIM 24-21 TASK 801, NO FAULTS NOTEApr 23, 2024 · N37252 · Boeing 737824SDR AALA202404172968Oil Cap · looseAIRCRAFT WAS GROUNDED: STRONG ODER IN ENTIRE AIRCRAFT SMELLS LIKE DIRTY SOCKS. MAINTENANCE FOUND OIL LEAK IN APU. MAINTENANCE FOUND APU OIL CAP LOOSE. RESECURED CAP IAW AMM 49-00-00.Apr 16, 2024 · N997AA · Airbus A321231SDR AALA202404293062Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED DIRTY SOCKS SMELL BETWEEN ROWS 8 AND ROW 33. 15 MILE FINAL DESCENDING THROUGH 5000 FEET. MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003.Apr 15, 2024 · N160AN · Airbus A321231SDR GTIA2024041738069Apu · overservicedSTRONG DIRTY SOCK SMELL ON APPROACH. WE DID NOT HAVE TIME TO TROUBLESHOOT-PERFORMED TSM TASK 05-50-00-810 AND AMM TASK 49-00-00 PROCEDURE FOR LEVEL A INSPECTION OF THE APU. FOUND APU OVERSERVICED . APU OIL WAS REMOVED AND SERVICED TO CORRECT LEVEL IAW AMM 12-1Apr 15, 2024 · N922NK · Airbus A320271NSDR AALA202404294027Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED A MUSTY, OILY SMELL WHICH STARTED JUST AFTER REACHING 10,000 FT IN THE DECENT. : MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003.Mar 29, 2024 · N524UW · Airbus A321231SDR AALA202404298250Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A DIRTY / MUSTY ODOR DURING DESCENT AT APPROXIMATELY1800 AT IDLE POWER. MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049004.Mar 27, 2024 · N737US · Airbus A319112SDR ASAA2024031748496Oil System · leakingFA'S REPORT ODOR OF MUST, MOLD, DIRTY SOCKS. SYMPTOMS INCLUDING HEADACHE, DIZZINESS, FATIGUE. CABIN AIR REPORTING FORM INCLUDED ODOR INCREASED DRAMATICALLY AT 4,000 FT ON ARRIVAL WITH CABIN ALTITITUDE STILL 2000 THROUGHOUT ENTIRE AIRPLANE INCLUDING FLIGHT DECKMar 17, 2024 · N549AS · Boeing 7378FHSDR YENA2024031400420Oil System · leakingFLT#766, GCM-JFK. 'ON DESCENT/ ARRIVAL AT LOWER ALTITUDES A MUSTY SOCK SMELL WAS DEFECTED ESPECIALLY IN REAR CABIN. APU WAS NOT BEING USED; REFER TO LP 3773246 ITEM 1 FOR APU MDDR DUE TO LEAK CAUSING THE ODOR AND REFER TO LP # 3773245 ITEM #1 (PERFORMED LEVEL Mar 12, 2024 · N561JB · Airbus A320232SDR 2024F00081Warning Message · illuminatedLEG VVI/ASU QRF TO VVI DUE TO OIL TEMPARATURE CAUTION MESSAGE IN FLIGHT. CORRECTIVE ACTION: DRAIN OF THE APU ENGINE OIL RESERVOIR. OPERATIONAL TEST OK.Mar 7, 2024SDR AALA202403079192Oil System · leakingAIRCRAFT WAS GROUNDED: ON ARRIVAL,4000' FLIGHT ATTENDANTS NOTIFIED FLIGHT DECK OF SEVERE FUMES, BURNING SMELL IN THE MIDDLE TO AFT CABIN. HAZE, NO SMOKE. BURNING EYES, DIFFICULT BREATHING, CHOKING, COUGHING. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE Mar 4, 2024 · N524UW · Airbus A321231SDR 2024F00060Oil Cooler · failedFLIGHT DIVERTED VVI-ORU TO CBB DUE TO THE FOLLOWING RESPORTS: ELECTRICS IDG 2 CAUTION MESSAGE AND APU OIL TEMP CAUTION MESSAGE.Mar 3, 2024 · Cndair CL6002B19SDR HALA20240304058Oil Cooler · faultyETOPS - APU FAULT ECAM INFLIGHT. APU FAULT INDICATED HI OIL TEMP. FOUND OIL COOLER RESTRICTED. REMOVED & REPLACED OIL COOLER PER AMM 49-91-44. OPS CHECK/LEAK CHECK OK.Mar 1, 2024 · N375HA · Airbus A330243SDR AALA202403015471Cooling Fan · leakingAIRCRAFT WAS GROUNDED: ON DESCENT, AT IDLE POWER, STRONG MUSTY SMELL IN CABIN WHICH REMAINED UNTIL SHUTDOWN. SMELL DISSIPATED WHEN ENGINES SHUT DOWN, APU AIR NOT USED. SMELL RETURNED WHEN EXTERNAL AIR HOOKED UP. MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKINFeb 28, 2024 · N524UW · Airbus A321231SDR DALA2024022102366Oil System · leakingUPON TURNING ON THE APU BLEED, THE OUTPUT TEMPERATURES WERE APROX 130 DEGREES AND A VERY STRONG BURNING SMELL WAS NOTED IN THE FLIGHT DECK THAT DID NOT DISAPATE UNTIL THE APU BLEED WAS SELECTED OFF AND COCKPIT WINDOWS WERE OPENED. C/A: COMPLETED WORK CARD 0550Feb 19, 2024 · N344NW · Airbus A320212SDR AALA202402194088Cooling Fan · leakingAIRCRAFT WAS GROUNDED: NOTICEABLY OIL SMELL DURING DECENT AND LANDING WITH APU OFF, AFTER LANDING WHEN BOTH ENGINES WERE SHUT DOWN AND THE APU BLEED WAS TURNED ON, THE OIL SMELL BECAME MORE STRONGER. AIR DUCT CAN HAVE A POSSIBLE OIL CONTAMINATION. THE OIL SMELFeb 15, 2024 · N9023N · Airbus A319115SDR CALA2024021600442Transmitter · faultyAPU AUTO SHUTDOWN IN FLIGHT AT FL380. PER FLIGHT CREW OIL QUANTITY WENT TO ZERO - TO ADD- TO .5 AND BACK TO FULL BITE CHECK OF APU CONTROLLER SHOWS HIGH OIL TEMP FOR SHUT DOWN. CHIP DETECTORS ARE CLEAN AND APU OIL FULL REPLACED OIL QTY TRANSMITTER REF AMM 49-9Feb 14, 2024 · N34137 · Boeing 757224SDR DALA2024021502251Oil System · leakingTHERE IS A DEFINITE MYSTY SMELL IN THE FLIGHT DECK IT WAS NOTICED UPON GETTING IN FLIGHT DECK. C/A: CLEANED AND INSPECTED APU FOUND APU COOLING FAN DUCTS WET WITH OIL. R/R FAN ASSY AND CLEANED DUCTS PER A320 AMM 49-52 DURING LEAK CHECK FOUND OIL SEEPING FROM CFeb 13, 2024 · N326US · Airbus A320211SDR DALA2024021302018Apu · leakingSHIP 3159 " DIRTY SOCK SMELL ''. BEGAN AS SOON AS APU BLEED TURNED ON. CORRECTIVE ACTION: FOUND OIL CONTAMINATION ON APU COMP AND IN INLET. PEFORMED AMDS WORK CARDS 0550-2002 AND 4900-2001. ECS DECONTAMINATION IAW WORK CARD 2100-2005. INSTALLED 2 NEW RECIRC FIFeb 13, 2024 · N359NB · Airbus A319114SDR GTIA2024021337910Apu · overservicedFUME EVENT AFT GALLEY CLIMING THROUGH FL 270-PERFORMED TI 2100-2002-CEO. DURING TI FOUND APU OVER SERVICED. DRAINED APU TO PROPER LEVEL PER AMM 49-90-00. PERFORMED PACK 1+2 BURN OUT PER AMM 21-00-00. REF LOG PAGE 3290424-02 FOR REMOVE AND REPLACE RECIRCULATIONFeb 12, 2024 · N649NK · Airbus A320232SDR GTIA2024021337907Apu · overservicedPOSSIBLE FUME EVENT ISOLATED TO PACK 1 ON CLIMB AND DESCENT BELOW 10,000 FT. CLEARED ITSELF AFTER A FEW MINUTES ( PACKS - A320 WITH MOD. 30626/MP K6443 (ENHANCED ECS) OR A321 WITH MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/MP K6443 (ENHANCEFeb 11, 2024 · N649NK · Airbus A320232SDR YENA2024021400264Oil Cooler · leakingFLT#1145, RIC-FLL. 'FLT ATT REPORTED LVL 1 ODOR IN FWD GALLEY; C/W INFO NOTICE 2017-T015J TROUBLE SHOT ODER PER T/S/M 05-50-00-810-085B AND FOUND APU OIL COOLER AND SURROUNDING AREA CONTAMINATED WITH OIL PERFORMED ECS DECONTAMINATION PER AMM 49-00-00 APU REQUIFeb 8, 2024 · N583JB · Airbus A320232SDR DALA2024020801683Oil System · leakingSHIP 3226 DISC: BOARDING AIRCRAFT IN DCA NOTICED PONGENT DIRTY SOCK SMELL IN FLIGHT DECK. C/A: C/W WORKCARD 4900-2001 (ISOLATE & REPAIR APU LEAKS) STEP 1-6. STEP 7 CANNOT BE C/W UNTILL ECS DECONTAMINATION W/C 2100-2005 IS COMPLETED. C/W ECS DECONTAMINATION W/CFeb 7, 2024 · N326US · Airbus A320211SDR SWAA2024020548791Oil System · lowINFLIGHT; APU FAILED AT FL400. APU LOW OIL PRESS LIGHT ILLUMINATED.<[01] PERFORMED FIM 49-90 TASK 803. FOUND OIL LEVEL LOW. SERVICED APU IAW AMM 12-13-31. OPS. HECK GOODFeb 5, 2024 · N229WN · Boeing 7377H4SDR AALA202402076290Tube · leakingAIRCRAFT WAS GROUNDED: OIL SMELL ON DESCENT INTO DFW. STARTED AT FL250 THROUGH LANDING. MAINTENANCE FOUND THE APU TURBINE BEARING RETURN TUBE LEAKING AND REPLACED IT PER CMM 49-26-95. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTEDFeb 4, 2024 · N9010R · Airbus A319115SDR DALA2024020401518Oil System · leakingSTRONG WET SOCK ODOR ON DESCENT AT FLIGHT IDLE APPROACHING 10000 MSL TO THE GATE. ODOR DETECTED IN BOTH THE COCKPIT AND THE CABIN. C/W NO GO ODI CHECKLIST. FOUND OIL LEAK AROUND APU INLET. PERFORMED GVI OF L+R ENG W/ NO LEAKS NOTED. C/W W/C 2100-2005 UP TO STFeb 3, 2024 · N358NW · Airbus A320212SDR DALA2024020401517Pump · leakingSHIP 3236 DISC: ON GROUND AFTER BOARDING, FA'S SMELT FUMES NEAR ROW 24. AFTER TURNING OFF PACKS 1/2 AND BLEED AIR, SMOKE DISSIPPTED. C/A: FOUND SMALL LEAK @ APU OIL PUMP AND OIL CONTAMINATION @ APU INTAKE. C/W A/C CARDS 4900-2001 UP TO AND INCLUDING STEP 4.B.,Feb 3, 2024 · N336NW · Airbus A320212SDR DALA2024020201491Oil System · leakingSHIP 3245 DISC: AFTER TOUCHEDOWN ON ILS 01 KDCA AND AFTER EXITINGB RUNWAY SMOKE SMELL IN FLIGHT DECK FOLLOWED BY GROUND CONTROL EPORTING SMOKE EXITING LEFT ENGINE OR ENGINE NBR. 1 30 SEC LATER NO SMOKE SMELL ANND NO ENGINE SMELL. C/A: RAN #1 ENG NO TROUBLE FOUFeb 1, 2024 · N345NW · Airbus A320212SDR AALA202402129610Oil System · leakingAIRCRAFT WAS GROUNDED: UPON START OF APU SMOKE AND FUMES FILLED THE CABIN AND COCKPIT. AIRCRAFT RETURNED TO BCN, LARGE OIL LEAK FOUND IN APU. **SUPPLEMENTAL REPORT FOR SDR AALA202401319610.** (CLOSED) MAINTENANCE REMOVED & REPLACED APU PER JOB CARD 72L31049008Jan 28, 2024 · N789AN · Boeing 777223SDR AALA202401319610Oil System · leakingAIRCRAFT WAS GROUNDED: UPON START OF APU SMOKE AND FUMES FILLED THE CABIN AND COCKPIT. AIRCRAFT RETURNED TO BCN, LARGE OIL LEAK FOUND IN APU. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)Jan 28, 2024 · N789AN · Boeing 777223SDR YENA2024012900103Oil System · leakingFLT#974, AUA-BOS. 'STRONG MUSTY "DIRTY SOCK" ODOR THROUGHOUT AIRCRAFT; PERFORMED ECS IAW AMM 21-00-00-615-802A SOURCE OF CONTAMINATION FOUND TO BE APU LEAKING IN MULTIPLE PLACES. A/C OK FOR SVC.'Jan 28, 2024 · N950JT · Airbus A321231SDR AALA202402126903Oil System · leakingAIRCRAFT WAS GROUNED: FLIGHT ATTENDANTS REPORTED "OLD ENGINE OIL" SMELL IN AFT GALLEY ENROUTE AT FL260 WITH ASSOCIATED HEADACHES. QRH PROCEDURE APPLIED. SMELL AND HEADACHES DISSIPATED. **SUPPLEMENTAL REPORT FOR AALA202401296903: MAINTENANCE FOUND THE APU GENERJan 27, 2024 · N717UW · Airbus A319112SDR WX0A1900010031960Pressure Switch · faultedAPU AUTO SHUTDOWN INFLIGHT / PER TSM 49-00-81-810-819-A, REPLACED LOW OIL PRESSURE SWITCH PER AMM 49-94-14-000-003-A AND LEAK CHECKED, NO LEAKS NOTED AND SERVICED APU OIL PER AMM 49-90-00-600-007-A (REASON FOR DELAYED REPORT: REGULATORY INTERPRETATION REEVALUAJan 25, 2024 · N272NV · Airbus A320214SDR DALA2024012901209Oil System · leakingSHIP 3257 DISC: O GO" ODI PREVENTION - DRIVER DO NOT DISPATCH THE AIRCRAFT" - W/O MCC APPROVAL" - DIRTY SOCK SMELL. C/A: FOUND APU LEARNING OIL FROM FAN COOLER R/R APU PER AMDS WORK CARD 4900-9002 (816302) PERFORMED DECONTAMINATE THE ECS PER W/C 2100-2003. R/RJan 25, 2024 · N357NW · Airbus A320212SDR DALA2024012501138Oil System · overservicedAIRCRAFT 3098, SMELLED ELECTRICAL BURNING ODOR DESCENDING THROUGH 11,000 AND AGAIN SHORT FINAL THROUGH ROLLOUT. PILOTS, DOORS 1, 2, AND 4. CORRECTIVE ACTION: FOUND OVER SERVICED APU OIL AND EVIDENCE OF OIL CONTAMINATION IN BLEED SYSTEM. DEFERRED APU REPLACEMEMJan 25, 2024 · N398DN · Airbus A321211SDR AALA202402056854Oil System · leakingAIRCRAFT WAS GROUNDED: ODOR/FUME EVENT IN THE REAR OF THE CABIN. FLIGHT ATTENDANTS REPORTED A CHEMICAL BURNING SMELL ON DESCENT TO LANDING AT SRQ. **SUPPLEMENTAL REPORT FOR AALA202401256854: MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003 AND ACCOMPLISHJan 23, 2024 · N771XF · Airbus A319112SDR AALA202401319530Tube · leakingAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO SJU DUE TO THE FLIGHT ATTENDANTS REPORTING DURING DESCENT AND LEAVING 35,000' A MUSTY OR DIRTY SOCKS SMELL IN REAR OF AIRCRAFT. SMELL WAS WORSE AT 34-35,000' AND AT 4,000' ON ARRIVAL IT DISSIPATED EJan 22, 2024 · N982VJ · Airbus A321231SDR NACA2024012510003Indicator · trippedON SERVICE CHECK INSPECTION FOUND APU LUBE OIL DIFFERENTIAL PRESSURE INDICATOR POPPED OUT. REMOVED AND REPLACED LUBE FILTER ELEMENT AS PER REF B767 AMM 49-27-03. PERFORMED OPS CHECK FOUND NORMAL.Jan 21, 2024 · N566NC · Boeing 7673BGSDR DALA2024011100489Unknown · unknownSHIP 3065 REF LOG 5421038 WHILE COMPLYING WITH CARD 0550-2002 FOUND OILY CONTAMINATION ABOUT THE APU INCLUDING INLET/DOOR AREA. CORRECTIVE ACTION: REPLACED CABIN FILTERS, CLEANED APU INLET OF OIL AND REPLACED APU. MULTIPLE LOGS WRITTEN FOR THIS EVENT. (5421039Jan 10, 2024 · N365DN · Airbus A321211SDR DALA2024011100487Unknown · unknownSHIP 3065 CREW REPORTING DIRTY SOCK SMELL. CORRECTIVE ACTION: ALL WORK ACCOMPLISHED ON INBOUND LOGPAGE 5421038 AND APU WAS REPLACED ON LOG 0147761. REPLACED CABIN FILTERS, COMPLETED PACK BURN AND REPLACED APU. (0147394)Jan 9, 2024 · N365DN · Airbus A321211SDR AALA202401186930Drain · leakingAIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN CABIN. **SUPPLEMENTAL REPORT FOR AALA202401086930: REPLACED APU OIL DRAIN PLUG PER AMM 49-91-42. ** (CLOSED)Jan 5, 2024 · N151UW · Airbus A320*SDR HALA20240108007Unknown · unknownETOPS - APU AUTO SHUTDOWN AT RON SPOT PRIOR TO TOW TO GATE. SHUTDOWN REPORT SHOWS LUBE AND GEN SCAV FILTERS. REMOVED AND REPLACED APU GEN SCAVENGE OIL FILTER AND LUBRICATION FILTER IAW 49-91-41 (AMM). LEAK TEST GOOD,NO LEAK FOUND. APU START AND OPERATE NORMALLJan 5, 2024 · N379HA · Airbus A330243SDR DALA2024010500167Unknown · unknownSHIP 3134 APU INOP, BURNING SMELL IN COCKPIT AND CABIN. CORRECTIVE ACTION: R/R THE RT PACK OZONE PER A319 AMM 21-51. C/W AMDS W/C S 2100-2005, 2100-2003, 4900-2001 AND 0550-2002. (4313303)Jan 4, 2024 · N334NB · Airbus A319114SDR 2024F00024Oil System · low pressureFLIGHT DIVERTED TO SLCB (LPB-VVI LEG) DUE TO APU LOW OIL PRESSURE ON FL330 FRM 492 060 00 (ENGINE GEN#2 WAS INOP UNDER MEL).Jan 3, 2024 · Boeing 7378Q8SDR AALA202401037533Oil System · leakingAIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR FROM PACKS W/APU ON DURING GROUND OPS/TAXI OUT AND ON DESCENT W/APU OFF. IN IMC ODOR PRESENT THROUGHOUT AIRCRAFT, DISSIPATED SHORTLY AFTER TAKEOFF WITHOUT CREW ACTION. (OPEN)Dec 31, 2023 · N733AR · Boeing 777323ERSDR AALA202401053379Apu · contaminatedAIRCRAFT WAS GROUNDED: DURING FLIGHT THE AIR CONDITIONING PACKS SMELL LIKE DIRTY SOCKS. **SUPPLEMENTAL REPORT FOR AALA202401023379: MAINTENANCE FOUND OIL RESIDUE IN THE APU COMPARTMENT AND CLEANED THE COMPARTMENT. MAINTENANCE ALSO ACCOMPLISHED THE DECONTAMINATDec 30, 2023 · N830AW · Airbus A319132SDR DALA2023122610554Unknown · unknownSHIP 3134 DIRTY SOCKS STRONG SMELL NOTED IN COCKPIT AND FWD PORTION OF AIRCRAFT. CORRECTIVE ACTION: R/R APU OIL COOLER SUPPLY & RETURN LINE SEALS PER A319 AMM 49-91. (5027572)Dec 24, 2023 · N334NB · Airbus A319114SDR AALA202312119811Module · leakingAIRCRAFT WAS GROUNDED: STRONG DIRTY SOCK SMELL ON DESCENT WITH ENGINES AT IDLE. MAINTENANCE REPLACED THE APU LUBE UNIT PER AMM 49-91-45 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.Dec 8, 2023 · N713UW · Airbus A319112
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