JASC 3610

Service difficulty reports · 7,150

Reports filed under 3610 · Pneumatic Distribution 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 = '3610'
  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 UIEA2020041680720Shutoff Valve · failedL ENG BLEED VALVE CAUTION WHEN CHANGING THRUST. REMOVED & REPLACED THE LT HPSOV IAW AMM 36-11-07. OPS CHECKED GOOD IAW 36-11-07.Apr 8, 2020 · N1361A · Boeing 76731BSDR VNAA2020070811102Precooler · leakingLEFT BLEED DUCT WARNING INDICATION. AFTER TAKEOFF CREW RECEIVED A LEFT BLEED DUCT WARNING INDICATION. FLIGHT RETURNED AND LANDED SAFELY. CREW DECLARED EMERGENCY AND FLIGHT WAS MET BY EMERGENCY VEHICLES. AIRCRAFT WAS NOT OVERWEIGHT UPON ARRIVAL. MX REMOVEDApr 5, 2020 · N720PS · Cndair CL6002C10SDR O2GA2020040683901Tube · damagedDURING CLIMB THE MASTER WARNING LIGHT ILLUMINATED FOLLOWED BY 'RIGHT BLEED AIR FAIL' ANNUNCIATOR. ENGINE POWER REDUCTION HAD NO AFFECT ON THE FAILURE. EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED TO MAINTENANCE. MAINTENANCE REPLACED THE RIGHT WING INBOARD LEADApr 2, 2020 · N839UP · Beech B300SDR UIEA2020040600707Controller · malfunctioned#4 ENG BLEED OVERHEAT MESSAGE(<P>REMOVED AND REPLACED #4 PRV AND #4 PRV CONTROLLER AND THEN PERFORMED OPERATIONAL CHECK PER AMM 36-11-19/401 AND AMM 36-11-20/401 (PRV OFF PART: PN 802170-12, SN 98080594).</P>)Apr 2, 2020 · N406KZ · Boeing 7474KZFSDR MTNA20200407001Ejector Valve · leakingLOSS OF TORQUE ON TAKEOFF - DROPPED TO APPROXIMATELY 1000 LBS. MAINTENANCE FOUND EJECTOR VALVE LEAKING FROM DETERIORATED SEAL. REMOVED AND REPLACED VACUUM EJECTOR AND SEALS. OPERATIONALLY CHECKED GOOD ON GROUND AND ON FUNCTIONAL CHECK FLIGHT.Mar 31, 2020 · N715FX · Cessna 208BSDR HNAA2020033100114Clamp · looseBLEED 1 VLV FAIL MSG FOLLOWED BY BLEED 1 LEAK MSG. INSPECTED BLEED VLV ONE AND FOUND LOOSE CLAMPS. TIGHTEND CLAMPS AND PERFORMED OPS CHECK IN REF TO 36-00-00-700-803A. NO MSGS ON EICAS OR PRESENT ON CMCMar 30, 2020 · N640AE · Emb EMB145LRSDR UIEA2020033000565Controller · malfunctioned"LEFT HPSOV" STATUS MESSAGE(<P>TRANSFERRED TO MDDR 126380 PER MEL 36-11-02-01, CAT 'C'.</P><P>REF LOG PAGE 1226389 ITEM M4: REMOVED AND REPLACED #1 ENGINE VALVE HIGH PRESSURE SHUTOFF IAW AMM 36-11-02. OPS TEST AND LEAK CHECK OK. P/N OFF 802170-12, S/N OFF 9406Mar 28, 2020 · N1619A · Boeing 7673Y0SDR I5PA20200327605Controller · leakingRH ENG BLEED FLUCTUATED IN FLIGHT. MX FOUND AND REPLACED A LEAKING RFCC WITHOUT FURTHER DEFECTSMar 26, 2020 · N757QM · Boeing 75729JSDR UIEA2020032600551Printed Ckt Board · defectiveR ENG PRV MESSAGE(<P>TRANSFERRED TO MDDR #126215 I.A.W MEL 36-11-08-01-01A, CAT 'C'. </P><P>LOG PAGE 1120934: REMOVED AND REPLACED #2 ENG PRINTED CIRCUIT ASSY BLEED AIR I.A.W AMM 36-11-12. OPS TEST OK, MDDR #126215 CLOSED.</P>)Mar 24, 2020 · N1093A · Boeing 76736NSDR UIEA2020032700539Shutoff Valve · malfunctionedON T/O EICAS MSG R ENG HPSOV. ABORTED TAKEOFF. STATUS MSG R ENG HPSOV.(<P>REMOVED AND REPLACED R ENG HPSOV IAW AMM 36-11-07. RUN ENG PER AMM 71-00-00 OK.<BR /></P>)Mar 23, 2020 · N662GT · Boeing 76731ASDR CALA2020032100679Shutoff Valve · malfunctionedL ENG BLD OFF NO NO RESPONSE RE CHKLST PREFORMED FIM 36-10-00-815-816, PREFORMED HEALTH CHECK REMOVED A ND REPLACED PRSOV IAW AMM 36-11-07-401 NEEDS HIGH POWER ENG. RUN. VALVE, PNEU, PR OFF 19-3611-9-0004 1061 ON 19-3611-9-0004 1652 ROTABLE PARTS CHANGE WASMar 20, 2020 · N57869 · Boeing 75733NSDR ASAA2020032032479Bleed Air Sys · low pressurePACK 1 BLEED AND PRESSURE LAW ON DESCENT INTO JFK GROUNDED - YES. PER TFU 36-11-00-106 ON SOME CASES THE BLEED SYSTEM EXPERIENCED A LAW PRESSURE SENSOR AT TOP OF DESCENT DURING CRUISE. NEW HPV P/N # TARGETED FOR JUNE 2020 PER THIS TFU. A/C OK FOR SERMar 17, 2020 · N921VA · Airbus A321253NSDR RAIA2020031960001Filter · dirtyBLEED 1 OVERHEAT. INSPECTED & RAN BLLED 1 ADJUSTMENT AND TEST. NO FAULTS FOUND. CLEANED FAN AIR VALVE FILTER. OPS CHECK GOOD.Mar 16, 2020 · N14125 · Emb EMB145XRSDR P5CA2020031900108Controller · malfunctionedFOUND #1 ENG PRVC OPERATION TEST FAIL REFERENCE PRESSURE OUT OF THE REQUIRED LIMITS.(<P>IAW AMM 36-11-19-004-001-002 REV. 129 AND AMM 36-11-19-404-014-002 REV. 129 REPLACED PRVC AT NO. 1 ENG. IAW AMM 36-11-19-404-014-002 REV. 129 PERFORMED #1 ENG PRVC INSTALLAMar 15, 2020 · N647GT · Boeing 767306SDR P5CA2020031800109Controller · malfunctionedFOUND NO. 2 ENG PRVC OPERATION TEST FAIL, REFERENCE PRESSURE OUT OF THE REQUIRED LIMITS.(<P>IAW AMM 36-11-19-004-001-002 REV. 129 AND AMM 36-11-19-404-014-002 REV. 129 REPLACED PRVC AT NO. 2 ENG. IAW AMM 36-11-19-404-014-002 REV. 129 PERFORMED #2 ENG PRVC INSTMar 15, 2020 · N647GT · Boeing 767306SDR P5CA2020031800110Controller · malfunctionedFOUND #2 ENG HPC PHH, PHL PH-PC AND PC PRESSURE SWITCH OPERATION TEST FAIL, WHEN SUPPLY PRESSURE BETWEEN 117-140 PSIG, BIT 16 DOES NOT CHANGE TO 1.(<P>IAW AMM 36-11-08-004-006-007 REV. 129 AND AMM 36-11-08-404-014-007 REV. 129 REPLACED HPC AT NO. 2 ENG. IAW AMMar 15, 2020 · N647GT · Boeing 767306SDR DALA2020031201827Shutoff Valve · malfunctionedON TAXI IN F/A REPORTED ADD RUBBER BURN SMELL. SHORTLY AFTER RECEIVED A RT BLEED AIR FAIL MESSAGE. COMPLIED WITH CHECKLIST. SMELL WENT AWAY. C/W ODI PREVENTION PROGRAM ATA 2172. C/W W/C 0550-2001 TO STEP 8 (378779). C/W E-FIM ELIMINATION OF RESIDUAL ODORS FOR Mar 11, 2020 · N103DU · Bombdr BD1001A10SDR HNAA2020030900090Valve · failedON TAKEOFF ATTEMP, AT 65KNOTS, GOT HIGH STAGE VLV 2 FAIL EICAS MESSAGE. REMOVED PANEL 422BT TO FOM. R/R'D #2 HIGH STAGE VALVE REF AMM 36-11-02. OPS CGHECK GOOD. LEAK CHECK AND FUNCTION CHECK GOOD. REINSTALLED PANEL 422BT. OK FOR SERVICE AT THIS TIME.Mar 8, 2020 · N634AE · Emb EMB145LRSDR 2020F00102Duct · brokenCAPTAIN REPORTED STRANGE NOISE AND HE WAS UNSURE WHERE IT CAME FROM. TORUBLESHOOTING STARTED AND FOUND NOISE FROM THE MAIN WHEEL BAY. DOORS WERE OPENED AND FOUND BLACK MARKINGS AND HISSING NOISE FROM SUPPLY DUCT FROM THE APU TO THE A/C SYSTEM. FOUND BLEED AIR Mar 7, 2020 · N663UA · Boeing 767322SDR SIMA20200305001Unknown · malfunctionedBLEED 1 AND 2 OVERPRESSURE-C/A-PERFORMED FIM TASK 36-14-00-810-817-A00 COMPLIED WITH OPS CHECK IAW EMBMER AMM 36-11-00-710-801A OPS CHECK GOODMar 5, 2020 · N250NN · Emb ERJ170200LRSDR UIEA2020030500381Hose · looseAFTER START EICAS MSG LH ENG BLEED OFF, FOLLOWED QRH PROCEDURE AND COMPLETED ON GROUND (DUCT PRESS IND. ZERO) - REPEAT WRITE UP.(<P>AFTER FURTHER INVESTIGATION FOUND SUPPLY PRESSURE HOSE LOOSE ON PRV VALVE. TIGHTENED LINE AND PERFORMED ENG RUN. PNEUMATICS OPEMar 4, 2020 · N1381A · Boeing 767316SDR UIEA2020030400379Circuit Card · defectiveAT 12000' LEFT ENG BLEED OFF EICAS. QRH PROCEDURE PERFORMED.(<P>TROUBLESHOT IAW FIM 36-10 FAULT TREE 836. REMOVED AND REPLACED BLEED AIR CONTROL CARD IAW AMM 36-11-12. OPS CHECK GOOD.</P>)Mar 3, 2020 · N1381A · Boeing 767316SDR ASAA2020022932333Regulator · inoperativeCLIMBING THROUGH 8000 DUCT PRESSURE INDICATED R-4 AND LEFT 44. AT CRUSE 31000 DUCT INDICATED R 9 AND LEFT 34 NO OTHER ABNORMALITIES NOTED CABIN PRESSURE DIFFERENTIAL 7.8 PSI. GROUNDED - YES. DIVERSION TIME 83 MINUTES - ACCOMPLISHED TASK CARD NG-36-WC-0001 BLEEFeb 29, 2020 · N514AS · Boeing 737890SDR UIEA2020030300366Unknown · malfunctionedDURING ENGINE START, APU AIR DROPPED TO 15 PSI, FLUCTUATING 2-3 PSI. MAX MOTORING ACHIEVED WAS 16% N2 ON RIGHT ENGINE.(<P>PERFORMED T/S PER FIM 36-10 FAULT TREE 840 AND BITE AIR SUPPLY MODULE PERFORMED AND FOUND NO FAULTS AT THIS TIME.</P>)Feb 28, 2020 · N1709A · Boeing 767375SDR ASAA2020022832332Regulator · crackedWHILE WORKING DEFECT 12184716, FOUND BLEED AIR REGULATOR HAS A CRACK AT CONNECTOR DP1102 RECEPTACLE LOCATION ON #2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED BLEED AIR REGULATOR, REF B737-800 AMM 36-11-03, OPS CK GOOD AND LEAK CK GOOD.Feb 28, 2020 · N568AS · Boeing 737890SDR AALA202003019013Thermostat · faultyAIRCRAFT WAS GROUNDED: DIVERTED TO PHX ACCOUNT CABIN PRESSURIZATION FLUCTUATING. ENG 1 BLEED FLUCTUATION CAUSING CAB PRESS FLUX. NO EMERGENCY DECLARED. REPLACED ENG 1 THERMOSTAT SOLENOID 10HA1 IAW AMM 36-11-55. REPLACED TEMP CONT. THERMOSTAT IAW AMM 36-11-43. Feb 28, 2020 · N581UW · Airbus A321231SDR SOKF2020030200000Unknown · malfunctionedAFTER TO FROM BOG TO LIM THE AIRCRAFT RETURNED TO BOG DUE TO ECAM WARNING MESSAGE AIR ENG 1 + 2 BLEED FAULT. IN ACCORDANCE WITH AMM 36-11-52 PB 401 PRV WAS REPLACED IN LH ENGINE S/N V10892, IN ACCORDANCE WITH AMM TASK 36-11-52-790-001-A LEAK TEST OF BLEED PREFeb 27, 2020 · N495TA · Airbus A320233SDR UIEA2020030200361Control Panel · faultyRT ISLN SWITCH POPS ON WITHOUT TOUCHING IT.(<P>REMOVED AND REPLACED BLEED AIR SUPPLY CONTROL PANEL IAW B767 AMM 36-11-26. OPS CHECK GOOD.<BR /></P>)Feb 27, 2020 · N1381A · Boeing 767316SDR UIEA2020022700335Warning Message · false activationR BLD ISLN VAL EICAS MESSAGE AFTER LANDING.(<P>PERFORMED OPS CHECK OF R/H ISLN VAL IAW B767 AMM 36-11-04. NO FAULTS NOTED. OPS CHECK GOOD. PERFORMED GVI OF CONNECTOR D1283 ON R/H ISLN VAL, NO FAULTS NOTED.</P>)Feb 27, 2020 · N1373A · Boeing 76731KSDR UIEA2020030200362Filter · dirtyINFO & DUCT PRESSURE BELOW OPTIMUM 21 PSI UNTIL START VALVE OPEN DURING RIGHT ENGINE START.(<P>PERFORMED DRY MOTORIZED R/H ENG IAW AMM 71-00-00, VERIFIED PNEUMATIC PRESS I.A.W. AMM 36-11-00 PRESSURE WITHIN LIMITS, 30 PSI. SEE LOG PAGE #1197014.<BR /></P><P>LP Feb 26, 2020 · N1709A · Boeing 767375SDR UIEA2020022600328Shutoff Valve · malfunctionedEICAS MSG "R ENG HPSOV" INTERMITTENT THROUGHOUT FLIGHT.(<P>REMOVED AND REPLACED RH HPSOV IAW B767 AMM 36-11-07-024/424. PERFORMED AIR SUPPLY MODULE BITE PROCEDURE IAW B767 AMM 36-23-00/501. NO FAULTS NOTED. PERFORMED LEAK CHK DURING DRY RUN. NO LEAKS NOTFeb 22, 2020 · N640GT · Boeing 7673S1SDR UIEA2020021900274Warning Light · false activationRIGHT ENG PRV EICAS MOMENTARY ILLUMINATED AFTER RIGHT ENG START.(<P>PERFORMED BITE TEST PER AMM 36-23-00. NO FAULTS NOTED. NO EICAS MESSAGE REMAINED.</P>)Feb 18, 2020 · N1093A · Boeing 76736NSDR P5CA2020021900051Compressor · failedFUNCTION FAIL - HPC, FOUND NO. 2 ENG HPC BIT 18 CAN'T CHANGE FROM 1 TO 0 WHEN SUPPLY PRESSURE IS 10-18 PSI.(<P>IAW AMM 36-11-08-004-006-007 REV. 129 & AMM 36-11-08-404-014-007 REV. 129. REPLACED NO. 2 ENG HPC WITH SERVICEABLE PARTS. IAW AMM 36-11-08-404-014-0Feb 17, 2020 · N643GT · Boeing 7673JHFSDR P5CA2020021900052Valve · malfunctionedFUNCTION FAIL - PRVC, FOUND NO. 2 ENG PRVC REFERENCE PRESSURE LESS THAN 12 PSI WHEN SUPPLY PRESSURE IS 20 PSI. (<P>IAW AMM 36-11-19-004-001-002 REV. 129 & AMM 36-11-19-404-014-002 REV. 129 REPLACED NO. 2 ENG PRVC WITH SERVICEABLE PARTS. IAW AMM 36-11-19-404-01Feb 17, 2020 · N643GT · Boeing 7673JHFSDR P5CA2020021900055Packing · leakingLEAK - FWD NO. 2 ENG PRVC SENSING TUBE JOINT LEAKAGE.(<P>IAW AMM 36-11-19-004-001 REV. 129 AND AMM 36-11-19-404-014 REV. 129 REPLACED THE PACKING WITH SERVICEABLE PARTS AT NO. 2 ENG PRVC SENSING TUBE, IAW AMM 36-11-19-404-012 REV. 129 PERFORMED INSTALLATION TEFeb 17, 2020 · N643GT · Boeing 7673JHFSDR SIMA20200216001Warning Message · false activationIN CLIMB BLD 1 LEAK EICAS WARNING MESSAGE IN ICING CONDITIONS-C/A-RETORQUED VBAND CLAMPS ON #1 ENG. PRECOOLER IAW AMM 20-10-10 AND AMM 36-11-04. PERFORMED AIR BLEED SYS. OPS CHECK IAW AMM 36-00-00. OPS CHECK GOOD. PERFORMED ICE/RAIN PROT. OPS CHECK IAW AMM 30-Feb 16, 2020 · N661JA · Emb EMB145LRSDR RAIA2020021750001Clamp · looseBLEED LEAK IN FLT--- T/S MSG PER FIM TASK 36-20-00. FOUND FAN AIR VALVE CLAMP LOOSE. SAME RETORQUED. PERFORMED OPS CHECK WITH NO FAULTS NOTED.Feb 15, 2020 · N16151 · Emb EMB145XRSDR VNAA2020021531101Relief Valve · failedCREW RECEIVED A L ENG BLEED CAUTION MESSAGE. THIS CAUSED THE CREW TO LOSE A/I ABILITY. THEY WERE INSTRUCTED TO HOLD FOR THE PHL GDP BUT COULD NOT DUE TO ICING CONDITIONS AT THE HOLD POINT. THE CREW DECLARED AN EMERGENCY IN ORDER TO AVOID THE HOLD AND LAND IN PFeb 13, 2020 · N512AE · Cndair CL6002C10SDR UIEA2020021320242Sense Line · damagedRIGHT ENGINE PRV EICAS UPON CLIMB OUT WITH POWER AT CRUSE. EICAS WENT OUT, STATUS MESSAGE RIGHT ENGINE PRV REMAINS.(<P>TROUBLESHOT PER FIM 36-10 FT 847. FOUND RIGHT ENGINE PRV SENSE LINE DAMAGED. REPLACED DAMAGED PRV SENSE LINE. LEAK CHECK GOOD IAW B767 AMM 36Feb 12, 2020 · N1409A · Boeing 767306SDR JJBA202002141003Clamp · leakingENGINE #2 BLEED LEAK IN FLIGHT. PERFORMED NITROGEN LEAK CHECK OF RH BLEED AIR DUCTS. FOUND LEAK AT DUCTS/CLAMPS AFT OF BLEED VALVE, BETWEEN BLEED VALVE & PRECOOLER, BLEED VALVE, AND 1 CLAMP FWD OF PRECOOLER. R&R DUCTS AND CLAMPS. OPS/LEAK CHECK SAT.Feb 11, 2020 · N14204 · Emb EMB145XRSDR UIEA2020021310236Warning Message · false activationR ENGINE PRV STATUS MSG.(<P>PERFORMED FIM FOR R ENGINE PRV SHOWN AND R ENG BLEED LIGHT, FOUND NO FAULTS FROM AIR SUPPLY MODULE. RAN THE RIGHT ENGINE AND NO MSG SHOWN. EICAS MSG CLEARED. OPS CHECK NORMAL IAW FIM 36-10 FT 847 AND AMM 71-00-00.</P>)Feb 11, 2020 · N1409A · Boeing 767306SDR UIEA2020021310237Warning Message · false activationR ENG PRV EICAS MSG.(<P>MSG CLEARED AND OPS CHECK NORMAL AT THIS TIME IAW FIM 36-10 FT 847 AND AMM 71-00-00.</P>)Feb 11, 2020 · N1409A · Boeing 767306SDR UIEA2020021320241Seal · missing3RD TIME WRITE UP, "R ENG PRV" EICAS. ACCOMPLISHED QRH. R ENG PRV STATUS REMAIN.(<P>ON #2 ENG, SWAPPED PRV AND HPSOV PER MX CONT REQUEST IAW B767 AMM 36-11-18 AND 36-11-07. PERFORMED ENGINE RUN, OPS CHECK NORMAL.</P><P>LP 1086917 - ITEM M3: <SPAN>PER MAINTENANFeb 11, 2020 · N1409A · Boeing 767306SDR HNAA2020021200058Bleed Air Sys · leakingPDIS 604 36-11 2292482 11FEB20 PHL CLOSE BLEED 1 LEAK EICAS MESSAGE DISPLAYED IN FLIGHT 27371 00 EAV FACT 11FEB20 02:43 PHL T\S IAW FIM 36-20-00-810-801-A. FOUND BLEED LEAK BEH Feb 11, 2020 · N604AE · Emb EMB135LRSDR AJXA2020022500006Seal · blew outDURING FLIGHT THE RIGHT HAND BLEED WARNING LIGHT CAME ON. THE AIRCRAFT SAFELY MADE AN UNSCHEDULED LANDING IN CHARLESTON SOUTH CAROLINA. THE PNEUMATIC LINES IN THE RIGHT HAND PYLON WERE INSPECTED AND THE TECHNICIAN LOCATED A SEAL BLOWN OUT ON ONE OF THE DUCT. Feb 10, 2020 · N917PG · Lear 60LEARSDR UIEA2020021300247Valve · malfunctionedRIGHT DUCT PRESSURE FLUCTUATED DURING TAKE OFF AND CLIMBED WITH HIGH THRUST SETTINGS.(<P>REMOVED AND REPLACED RT ENG PRV IAW 36-11-18-004-001-001. OPS CHECK GOOD.<BR /></P>)Feb 10, 2020 · N645GT · Boeing 767324SDR UIEA2020021320246Unknown · unknownRIGHT DUCT PRESSURE FLUCTUATING DURING ENG START AND ALL PHASES OF FLIGHT.(<P>PERFORMED OPS TEST OF AIR SUPPLY CONTROL SYSTEM IAW AMM 36-23-00, BIT OPS TEST PASSED. COULD NOT DUPLICATE FAULTS ON GROUND.<BR /></P>)Feb 9, 2020 · N645GT · Boeing 767324SDR UIEA2020021090218Sensor · failedIN FLIGHT, LEFT BLEED PRESS 19, RIGHT BLEED PRESS 35. BOTH BLEED PRESS AT 20 ON GROUND.(<P>DEFERRED PER MEL 36-12-02-01, MDDR 124463, CAT 'C', DUE 19FEB20. LEFT ENG FAN AIR VALVE LOCKED AT INTERMEDIATE POSITION AS PER AMM 36-00-00/901.</P><P>LP 1169718 - ITEM Feb 9, 2020 · N1427A · Boeing 767306SDR AALA2020021109045Control Valve · faultyAIRCRAFT WAS GROUNDED: AIR RETURNED TO CLT, BLEED TRIP OFF AT CLIMB POWER. RESET FIRST TIME, HAPPENED AGAIN BUT WOULDNT RESET. CABIN ALTITUDE INCREASED TO ABOUT 17,000 WITH HORN. MASKS DID NOT DEPLOY AND WE DESCENDED. EMERGENCY DECLARED. TROUBLE SHOT IAW FIM Feb 9, 2020 · N908AN · Boeing 737823SDR UIEA2020021080211Warning Message · false activation"L BLD ISOLATION VALVE" EICAS MSG AFTER LANDING. QRH COMPLETE.(<P>PERFORMED AIR SUPPLY BITE PER FIM 36-20 FT 804, NO FAULTS NOTED. ALSO PERFORMED L BLEED ISOLATION VALVE TEST IAW AMM 36-11-04. OPS CHECK GOOD. NO EICAS MSG OR VALVE LIGHT PRESENT.</P>)Feb 8, 2020 · N1093A · Boeing 76736N
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