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 AALA202212070773Apu · odorAIRCRAFT WAS GROUNDED: SMELL OF DIRTY SOCKS DURING DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. (OPEN)SDR AALA202212078273Apu · odorAIRCRAFT WAS GROUNDED: DURING DESCENT FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. OPENSDR YENA2022112101138Bleed Air Sys · odorFLT#861, BOS-SJU. 'IN-FLIGHT CREW REPORTED "DIRTY SOCKS" SMELL FROM 10,000 FEET TO LANDING ON DESCENT. LEVEL 3 ODOR EVENT EXCEPT FOR NO IRRITATION OF EYES, NOSE, OR THROAT. ODOR WAS REPORTED FROM THE MIDDLE OF THE CABIN TO THE AFT CABIN. ODOR REPORTED ON DESDR I5PA2022111375702Sensor · faultedFLT. NO. MGE710. ESI - APU PNEUMATICS INOP, ECU FLAGGED FLOW SENSING MODULE. REMOVED AND REPLACED FLOW SENSING MODULE.SDR DALA2022111407331Apu · odorF/A'S REPORTED (AFTER LANDING) A PLASTIC BURNING SMELL IN THE AFT OF THE AIRCRAFT WHEN PASSING 10,000 FT IN THE DESCENT. SMOKE AND FUMES QUESTIONNAIRE IS FILLED OUT. OPENED #1 & #2 ENG COWLING AND REMOVED PNEUMATIC BLEED DUCT ELBOWS TO INSPECT FOR CONTAMINATIOSDR SWAA2022102061050Apu · odorWITH APU PNEUMATICS ON; GOT A STRONG ELEC SMELL IN COCKPIT AND CABIN. TURNED APU AIR OFF AND SMELL DISSIPATED. TURNED AIR BACK ON; AND SMELL RETURNED. / [01] PERFORMED SMOKE / FUMES CONDITIONAL INSPECTION; RAN APU AND BOTH AIR PACKS FOR 2 HOURS; NO DEFECTS NOTSDR DALA2022101806728Bleed Valve · faultyAFTER APU STARTED ON GROUND, APU AIR PRODUCED SMELL OF FUMES, FILLED THE CABIN, AND FA'S CALLED FLIGHT DECK TO REPORTT A SMELL IN THE CABIN. SWITCHED OFF APU BLEED FOR APROX. 1 MIN. FUMES DISSIPATED. C/W NO GO ODI PREVENTION PROGRAM A220 2172- SMOKE / FUMES INSDR I5PA2022101475704Surge Valve · faultyREPLACED APU SURGE VALVE DUE TO NO DUCT PRESSURE.SDR I5PA2022080175701Flow Sensor · faultyAPU PNEUMATICS INOP. R/R APU FLOW SENSING MODULE IAW AMM 49-53-08.SDR 9JLA2022072830874Apu · defectiveTHE BASE MAINTENANCE TEAM FOUND DURING THE POST FLIGHT CHECKS AN "APU UNDERSPEED" MESSAGE IN CMC. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE APU BLEED AIR CHECK VALVE REQUIRED CLEANING. THE CHECK VALVE WAS REMOVED AND CLEANED THEN REINSTALLED. OPS CHESDR DALA2022072005036Apu · odorSHIP 682 DURING ENGINE START IN CHS, ENGINE SPOOL UP WAS A LITTLE SLUGGISH ON APU AIR. WHEN APU AIR WAS REINTRODUCED IN ATL THERE WAS A STRONG EXHAUST ODOR FOR SEVERAL MINUTES. CORRECTIVE ACTION: REMOVED AND REPLACED RECIRC FILTERS PER B757 AMM 21-25. REPLACEDSDR YENA2022071800673Bleed Air Sys · odorFLT#153, DEN-LGA. ' FOUL ODOR WITH APU BLEED AND PACKS ON, DISSIPATED DURING CLIMB AFTER 5-7 MINS, CABIN ODOR FORM COMPLETED( APU BLEED AIR SUPPLY SYSTEM).' (SUPPLEMENTAL TO FOLLOW)SDR F3LA2022071200071Apu · leakingDISCREPANCY: REFERENCE LP279524 #1 WHEN APU BLEED WAS USED FOR PACK 1&2 DIRTY SOCK SMELL WAS NOTED THROUGHTOUT WHOLE AC.
CORRECTIVE ACTION: PERFORMED INSPECTION OF CABIN ODOR REF 05-50-810-085-A ISOLATED ODOR TO APU INSPECTED APU PER AMM 49-00-00-200-811-A PSDR DALA2022070504677None · noneSHIP 5636 MUSTY ODOR NOTED NEAR FLIGHT DECK , SLIGHT BURNING ODOR NEAR #2 DOORS ( LOC 603/604) WHEN ENGINE ANTI ICE SELECTED ON . ODOR WENT AWAY WHEN A/I TURNED OFF. CORRECTIVE ACTION: INITIAL EVAL, NO SMELL IN CABIN/ WHEN PACK IS ON FISH SMELL IN FLIGHT DECK.SDR UIEA2022061300582Surge Valve · faultyAPU BLEED VALVE INOP REMOVED AND REPLACED APU AIR SHUTOFF VALVE IAW B767 AMM 36-11-10. NO LEAKS FOUND PENDING OPS CHECK, OPS CHECK GOOD, BUT BLEED PRESSURE LOW. T/S PER FIM 49-11 FAULT TREE 979. FOUND SURGE CONTROL VALVE FAULTY. REMOVED & REPLACED APU SURGE SDR F3LA2022060800053Apu · odorDISCREPANCY: REFERENCE LP 243228 ITEM 1; UPON SECOND ENGINE START BURNING FUEL ODOR COMING FROM AFT OF AIRPLANE -
CORRECTIVE ACTION; TROUBLESHOT DOWN TO APU AIR START USED TO START ENGINE. NO ODOR NOTED AT THIS TIME PLACED APU ON MEL 49-10-01A CTL#1183139 DUSDR UIEA2022052300521Hose · damagedAPU FLEXIBLE HOSE DAMAGED IN EXHAUST DUCT COOLING . REMOVED & REPLACED APU FLEXIBLE HOSE AT COOLING EXHAUST DUCT IAW B767-300 AMM 49-51-01-404-006 NO LEAK.SDR UIEA2022052300526Card · fault messageFAULT: WARNING L & R HPSOV CLOSED COMMAND WAS NOT DETECTED C POST RUN - UP MESSAGES. REMOVED/REPLACED RH BLEED AIR CARD M860 OPS CHECK OK; PER AMM 36-11-12; AS PER B767-300 MMSDR AALA202206142092Bleed Valve · inoperativeAIRCRAFT WAS GROUNDED: WITH SINGLE BLEED SOURCE CABIN ALTITUDE CONTINUED TO RISE. STOPPED CLIMB AND DESCENDING O2 MASKS DROPPED DURING DESCENT. FLIGHT DIVERTED TO SJU. **SUPPLEMENTAL REPORT FOR AALA202205262092: REMOVED AND REPLACED AUXILIARY POWER UNIT BLEED SDR AALA202205262092None · noneAIRCRAFT WAS GROUNDED: WITH SINGLE BLEED SOURCE CABIN ALTITUDE CONTINUED TO RISE. STOPPED CLIMB AND DESCENDING O2 MASKS DROPPED DURING DESCENT. FLIGHT DIVERTED TO SJU. **SUPPLEMENTAL REPORT REQUIRED** (OPEN)SDR 9JLA2022051332042Valve · inoperativeTHE FLIGHT CREW REPORTED THAT DURING START OF THE APU OF SMELLING EXHAUST FUMES. SUSPECTED THAT THE APU BLEED VALVE WAS NOT SHUTTING COMPLETELY. THE MAINTENANCE TEAM DETERMINED THAT THE APU BLEED AIR BUTTERFLY VALVE WAS INOPERABLE. THE VALVE WAS REMOVED AND ANSDR UIEA2022050600447Bleed Valve · damagedAPU SURGE VALVE WITH DUCT DAMAGED(<P>REMOVED AND REPLACED APU SURGE BLEED VALVE DUCT ASSY IAW B767-300 AMM 49-53-01. OPS CHK NORMAL . NO LEAKS FOUND .</P>)SDR F3LA2022032900012Apu · contaminatedDISCREPANCY:REFERENCE LP219953 AIRCRAFT FUME EVENT STRONG EXHAUST SMELL NOTED IMMEDIATELY AFTER ENG 1 STARTED APU RUNNING FUME EVENT FOR COMPLETE
CORRECTIVE ACTION:REFERENCE LP219953 PERFORMED TSM 05-50-00-810-831-A IDENTIFIED CAUSE OF ODOR EVENT AS TYPE 8 DSDR YENA2022031100138Apu · failedFLT#329, JFK-RSW. 'UPON LANDING AFTER SHUTDOWN, WITH APU BLEED CABIN FILLED WITH SMOKE (APU SYSTEM); REMOVED AND REPLACED APU POWERPLANT PER AMM 49-11-11. OPS AND LEAK CHECK GOOD AT THIS TIME. REF MDDR 466772 FOR ECS DECON PROCEDURE. THIS CLEARS MDDR 466770. MSDR HALA2022021500046None · noneETOPS ATB - ECAM APU BLEED FAULT // PERFORMED TEST OF APU BLEED VALVE IAW AMM 49-51-51. NO FAULTS NOTEDSDR ASAA2021122937058Apu · noiseMX PERSONEL REPORTS THAT APU ABNORMALLY NOISY. GROUNDED - YES. REMOVED AND REPLACED THE APU REF TC 78349010. OPS CHECK GOOD. LEAK CHECK GOOD.SDR F3LA2021121300088Clamp · leakingSTRONG ODOR DURING APPROACH TO LANDING. LP172678 APU LEAKING OIL AT FAN ASSY. CLAMP / REMOVED AND REPLACED PACKINGS AND CLAMP IAW AMM 49-52-51-400-002-A, NO LEAKS NOTED AT THIS TIME. A/C OK TO CONTINUESDR 9JLA2021120722964Control Valve · defectiveFLIGHT CREW REPORTED THAT THE APU LOAD CONTROL VALVE BEING INTERMITTENT IN OPERATION. THE MAINTENANCE VENDOR DETERMINED THE APU CONTROL VALVE WAS DEFECTIVE. THE VALVE WAS REMOVED AND REPLACED WITH AN OVERHAULED VALVE. OPERATIONAL AND LEAK CHECKS WERE SATISFACTSDR R61A2021112900937Shutoff Valve · openOIL BURNING SMELL IN COCKPIT ON CLIMB. RAN SMOKE/FIRE/FUMES. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R APU BLEED SHUTOFF VALVE.SDR DALA2021110206755Bleed Valve · malfunctionedBOTH PILOTS SMELLED A STRANGE ODOR DURING TAKEOFF AND IN CONTROL CLIMB, FA IN THE AFT GALLEY REPORTED THE SAME. THE ODOR SEEMED TO BE COMING FROM THE PACKS OR AIR CONDITIONING. THE SMELL DETERIORATED DURING FLIGHT, BUT DIDN'T ENTIRELY GO AWAY. T/S OMS. FAULT CSDR UIEA2021092202072Apu · inoperativeAPU PNUMATICS INOP.(<P>TRANSFERRED TO MDDR 153880 IAW MEL 49-11-01-01, CAT C, DUE DATE 01OCT21.</P> / <P>23SEP, LP 1390926, ITEM M4: REF ITEM 3 OF LP 1390925. C/W ENGINE RUNS IAW AMM 71-00-00, NO FAULTS NOTED IN APU DUCT PRESSURE. APU DUCT PRESSURE NORMAL AT TSDR NACA2021092000001None · noneDISCREPANCY: APU AIR SURGE DUCT HAS A HOLE. CORRECTIVE ACTION: REMOVED AND REPLACED APU SURGE BLEED VALVE DUCT PER AMM 49-53-01SDR YENA2021091500572Apu · odorFLT 909, BOS-NAS. DURING DECENT STRONG ODOR IN CABIN ( APU SYSTEM ); PERFORMED ECS DECONTAMINATION OF PACKS IAW AMM 21-00-00-615-803 AND 36-11-00-615-805-A03. APU DEFERRED REFERENCE MDDR 449451. A/C OK FOR SERVICE. PERFORMED INFO NOTICE 2017-T015I. FOUND TO BESDR NACA221090850001Duct · damagedDISCREPANCY: DURING SERVICE CHECKS, FOUND APU SURGE DUCT HAS A HOLE. CORRECTIVE ACTION: REPLACED APU SURGE DUCT IAW AMM 49-53-01 LEAK CHECK AND OPS CHECK GOOD.SDR DXTA2021083047810Filter · dirtyAPU BLEED AIR: THE COCKPIT FILLED UP WITH SMOKE AFTER THE APU BLEED AIR WAS TURNED ON. // SIGNOFF // PERFORMED BORESCOPE INSPECTION OF THE APU COMPRESSOR, NO SIGN OF OIL WAS NOTED REF SQUAWK 2.4 OF THIS WORK ORDER FOR FURTHER DETAILS ON WORK ACCOMPLISHED. (COMSDR UIEA2021082501877Valve · faultedAPU PNEUMATICS INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(<P>TRANSCRIBED TO MEL LIST MDDR 152437 DMI # 49-11-01-01 DUE 03SEP21, CAT C. MAINT ACTIONS C/W PER 152437. PLACARDS APPLIED.</P> / <P>25AUG21 - 1397821 - ITEM# 5 - CVG - REMOVED FLOW SENSING MODUSDR QXEA2021082000413Apu · smokeAPU WAS ON WHEN ARRIVING AT AIRCRAFT. SOON AFTER WE ARRIVED THE APU AUTO SHUTDOWN AND APU SHOWED APU FAIL LIGHT. AFTER COMPLETING THE CHECKLIST, WE GAVE THE APU 10 MINUTES AND STARTED THE BLEED AIR. THE COCKPIT FILLED WITH SMOKE. WE SHUT DOWN THE APU AND TSDR UIEA2021081801823Boot · damagedAPU INOP DUE TO DUCT - AIR SURGE BOOT DAMAGED.(<P>TRANSFERRED TO MDDR 152086 IAW MEL 49-11-01A, CAT C. </P> / <P>REMOVED AND REPLACED SLEEVE ON APU SURGE AIR DUCT ASSEMBLY REF. B767 AMM 46-53-013. OPS CHECK NORMAL. NO LEAKS NOTED AT THIS TIME. THIS CLEARS MDDRSDR DALA2021081604712Bleed Air Sys · odorPULLING INTO THE GATE FO TURNED ON THE APU BLEED PB AND WE STARTED SMELLING THE OILY DIRTY SOCK SMELL. T/S PER A320 NO-GO-ODI 21-72. NO CONTAINMENT FOUND. C/W CLEAN APU AIR INTAKE CLEAN W/C 4916. C/W DECONTAMINATE THE ECS W/C 2100.SDR I5PA2021081275705Module · faultedWITH APU BLEED ON AND ONE PACK SWITCHED OFF, BLEEDS FLUCTUATE. REPLEACED FLOW SENSING MODULE.SDR UIEA2021081201788Valve · failedAPU PNEUMATICS INOP(<P>ITEM TRANSFERRED TO MDDR 151753 PER MEL 49-11-01-01, CAT C. DUE DATE 22-AUG21.</P> / <P>LOGPAGE 1402488 ITEM 4: PERFORMED FIM 49-11 F/T 958, FOUND REVERSE FLOW FAULT DISPLAYED. REMOVED AND REPLACED SURGE CONTROL VALVE. OPS CKS GOOD. THISSDR UIEA2021080621682Clamp · looseAPU BLEED INOP(<P>TRANSFERRED TO MDDR 151192 IAW MEL 49-11-01A , CAT C.</P> / <P>CVG 08 AUG 21 LP# 1370355 ITEM# M6 INSTALLED CLAMP ON PNEUMATIC DUCT TO APU SOV IAW B 767 AMM 36-11-01. LEAK CHECK GOOD. OPS CHECK GOOD. THIS CLEARS DMI 151192, MCC NOTIFIED ,SDR 9JLA2021080519332Bleed Valve · failedTHE MAINTENANCE TEAM FOUND THE APU BLEED AIR WOULD NOT TURN ON. OPERATIONS WERE CONTINUED PER DEFERRAL BY MEL. THE MAINTENANCE VENDOR TROUBLESHOT AND FOUND THE APU BLEED AIR VALVE WAS DEFECTIVE. THE VALVE WAS REMOVED AND AN OVERHAULED VALVE WAS INSTALLED. OPS SDR UIEA2021072001598Bleed Valve · faultedNO APU DUCT PRESSURE(<P>TRANSFERRED TO DMI # 150428 IAW MEL 49-11-01-01 CAT C. MCC NOTIFIED. PLACARDS INTALLED. DP 1425Z.</P> / <P>22JUL21 - LP 1370369 - ITEM# 5 - CVG - REMOVED AND REPLACED APU BLEED VLV. IAW B767 AMM 36-11-10. OPS CHECK OK. THIS CLEARS MDDRSDR ABXA20210715066Pneumatic System · faultedAPU PNEUMATIC PRESSURE WENT TO ZERO AFTER PUSHBACK AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE, CYCLED APU. REGAINED DUCT PRESSURE AFTER RESTART. OPERATED BOTH PACKS. W/ PRESSURE BUILDING. IAW AMM 49-52-00. AIRCRAFT RELEASED FOR FLIGHT.SDR UIEA2021070801487Valve · inoperativeAPU BLEED NOT SUPPLYING DUCT PRESSURE AND BLEED VALVE NOT INDICATING OPEN.FOUND GROUNDED SHIELD AT ECU, REPAIRED WIRING. REMOVED AND REPLACED APU BLEED AIR VALVE IAW AMM 36-11-00. OPS CK GOOD.SDR UIEA2021070801486Warning Message · false activationAPU BLEED VALVE EICAS ON BLOCK IN.(<P>CYCLED APU BLEED VALVE PER AMM 36-11-10. OPS CHECK GOOD AT THIS TIME.</P>)SDR UIEA2021070101458Module · faultedAPU BLEED INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(<P>TRANSFERRED TO MDDR 149488, DUE 10JUL21, CAT C, IAW ATLAS DDG 49-11-01-01. MX ACTION COMPLIED WITH.</P> / <P><SPAN>LP 1363567: REPLACED FLOW SENSING MODULE. PERFORMED ENGINE RUN. OPS CHECK GOOD IAWSDR AALA202106269001Regulator Valve · leakingAIRCRAFT WAS GROUNDED: APU BLEED LEAK FROM ENGINE #1 AND #2. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO LAS WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. REPLACED #2 ENGINE BLEED PRESSURE REGULATOR VALVE AND ACCOMPLISHED A SATISFACTORY LEAK / OPSDR UIEA2021062101388Module · faultedAPU FAULT EICAS(<P>TRANSFERRED TO MDDR # 148782 IAW MEL # 49-11-01A, CAT "C", DUE DATE: 27JUN21. MX ACTION C/W. DISP: BM @ 2214Z.</P> / <P>LP 1392596 ITEM #3: PER AP-20218 REMOVED AND REPLACED FLOW SENSING MODULE AND GASKET IAW B767 AMM 49-53-08, OPS CHECK GOO
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