N435AS
Service difficulty reports · 296
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. 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 n_number = 'N435AS' AND registry_match = 'registration' 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 n_number = 'N435AS' AND registry_match = 'registration' 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 ASAA2023032942651Unknown · unknownHF 1 VOICE COMMUNICATION DISTORTED. GROUNDED - YES. HF 1 OPERATIONAL TEST REF. B737-900 AMM 23-11-00 GOOD. HF 1 SYSTEM TEST A/C TO A/C AND TALKING TO SFO-ARINC RADIO FROM SEATTLE TEST GOOD. HF GROUND VERIFICATION TEEST GOOD. NO HISTORY LAST 90 DAYS.SDR ASAA2023022242048Lens · missingFA REPORTS ON AIRCRAFT PREFLIGHT THEY NOTED THE EMERGENCY EXIT SIGN NEAR SEAT 16A IS MISSING. GROUNDED - YES. INSTALLED NEW EXIT INDICATOR LENS ASSY IAW B737-900 AMM 33-51-01 OPS CK GOOD.SDR ASAA2023021541963Unknown · unknownLEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED ENTIRE FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 21-53 TASK 821 AND FIM 21-62 TASK 801 ON ZONE TEMP CONT 1, FOUND FAULT "SRADA EXIT", PERFORMED FIM 21-62 TASK 853 AND FAULT CLEARED. VERIFIED PASSED GREEN SDR ASAA2023011861543Power Supply · inoperativeEMERG EXIT LIGHT BATTERY PACK M1672 REQ REPLACMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1672 (S/N 111155) AND OPS CHECK GOOD IAW B737-900 AMM 33-51-06.SDR ASAA2022112740982Starter Gen · faultedNO APU START. GROUNDED - YES. REMOVED AND REPLACED STARTER GENERATOR REF B737-900 AMM 49-41-21. ORIG SUB DATE: 12/1/2022SDR ASAA2022112640970Converter · faultedAFTER APU START, APU GENERATOR WILL NOT COME ON LINE/CONNECT TO BUSSES. APU SELECTOR SHOWS NO VOLTS OR FREQS. GROUNDED - YES. PERFORMED APU BITE REF B737-900 FIM 49-60 TASK 801. UNDER CURRENT STATUS MAINT MESSAGE 49-41252 START CONVERTER SHOWS VOLTAGE REGULATOSDR ASAA2022111440797Idg · leakingON WALKAROUND F.O. NOTICED OIL DRIPPING FROM #2 ENGINE COWLING. GROUNDED - YES. ACCOMPLISHED ENG VENTS AND DRAIN INSP PER B737-900 AMM 71-71-00. NBR 2 IDG LEAKING FROM IDG DRAIN PAD. 5 DROPS PER MIN DURING ENG RUN AND 11 DROPS STATICALLY. INSPECTED NO. 2 IDGSDR ASAA2022102340472Warning Light · false indicationZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. ACCOMP PZTC BITE CK REF B737-800 AMM 21-61-00. RECORDED FLT DECK TRIM VLV FAULT. RESET FAULT RE-ACCOMPLISHED BITE CK 2EA NO FAULTS FOUND.SDR ASAA2022070539508Hmu · faultedENG 2 LONG TIME FAULT MSG: 73-31162 THE MECHANICAL OVERSPEED PROTECTION SIGNAL IS OUT OF RANGE FOUND DURING ACCOMPLISHMENT OF ASA TC 78273000. GROUNDED - YES. REMOVED AND REPLACED HMU PER ASA TASK CARDS N8473000 AND N8473001.SDR ASAA2022070538931Battery Pack · inoperativeWHILE ACCOMPLISHING ASA T/C N8005004, FOUND EMERGENCY EXIT LIGHTS INOP L/H ROW 7 AND 11. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK OF M2335 REF B737-900 AMM 33-51-06-960-805. 4 C/B'S OPENED, TAGGED, AND RESET. EMERGENCY EXIT LIGHT OPS L/H ROW 7 AND 11 SDR ASAA2022062038715Starter Unit · reads lowAPU FAULT LIGHT CAME ON DURING START USING BATTERY. GROUNDED - YES. PER B737-900 FIM 49-60 TASK 801, 819, 822 APU FAULT HISTORY HAD MULTIPLE HITS OF 49-41249 START CONVERTER UNIT SHOWS LOW BATTERY POWER. MAINTENANCE HISTORY PAGE HAD MULTIPLE HITS OF 49-41297 SSDR ASAA2022061638676Circuit Breaker · poppedFORWARD LEFT WINDOW OVERHEAT WITH MASTER CAUTION @ FL 330. RAN QRH. LIGHTS CAME BACK ON. GROUNDED - YES. FOUND CIRCUIT BREAKER B9 POPPED. PERFORMED BITE CHECK OF LEFT WINDOW HEAT CONTROL UNIT. BIT VERIFIED P5-9 FAULT. SWAPPED WHCU'S FAULT DID NOT FOLLOW, SWAPPSDR ASAA2022061538716Fault Code · false indicationENG 2 FAULT CODE 73-31162 "THE MECHANICAL OVERSPEED PROTECTION SIGNAL IS OUT OF RANGE" LONG TIME FAULT DEFERRED PER T/C 78273000. GROUNDED - YES. PER B737-900 FIM 73-25 TASK 805 PERFORMED ENGINE RUN ON #2 ENGINE NO FAULTS NOTED PERFORMED BITE TEST OF EEC #2 NOSDR ASAA2022052838483Power Supply · dischargedWHILE PERFORMING TC #78233008 FOUND LH FWD OVERWING EMERGENCY LIGHT AND TWO ASSOCIATED OVERHEAD CEILING EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1694 IAW B737-800 AMM 33-51-06-960-806. ALL EMERGENCY LIGHTS NOW CHECK GOOD. NO OTSDR ASAA2022051738335Idg · noneTECH SERVICES FOLLOW UP TO FREQUENT #1 IDG OIL SERVICE. REMOVE AND REPLACE # 1 ENG IDG PER AMM 24-11-11/401. GROUNDED - YES. VERIFIED P/N 761574B AMD S/N AAAH003286 MOD 17 C/W REF B737-900 IPC 24-11-11-50 ITEM #1, REMOVED AND REPLACED #1 ENG IDG REF B737-900 ASDR ASAA2022043038178Unknown · unknown1/4 KNOB SPLIT IN LOW POWER RANGE #2 ENGINE LAGS #1 WITH THROTTLE EVEN #1 40% N1 #2 36%. GROUNDED - YES. PEFORMED B737-900 FIM 22-31 TASK 801, NO FAULTS FOUND. INTERACTIVE TEST ALL PASS. EEC TEST PASS REF FIM 73-21-00. PERFORMED ENGINE POWER RUN, WITH THROTTLESDR ASAA2022041438019Shim · wornPER T/C 78472010 #2 ENG FAN BLADE LUBE BLADE SHIMS #1,2,15,16 AND 18-24 LUBRICANT COATINGS ARE WORN BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FAN BLADE SHIMS #1.2,15, 16 AND 18-24 PER T/C 7842010.SDR ASAA2022041137966Platform · crackedPER T/C 78472010 FAN BLADE LUBE OF #1 ENG FOUND PLATFORM #1,2 AND 3 CRACKED IN AREA K AFT SURFACE AND MISSING MATERIAL. GROUNDED - YES. REPLACED PLATFORMS. REF T/C 78472010.SDR ASAA2022041137965Elastomer · damagedPER T/C 78472010 FAN LUBE OF #1 ENG. FOUND CUTS ON ELASTOMER SEAL AREA #13 AND #15 PLATFORMS. GROUNDED - YES. PLATFORMS REPLACED REF T/C 78472010.SDR ASAA2022041137964Spacer · debondedPER T/C 78472010 FAN BLADE LUBE OF # 1 ENG FOUND FAN BLADE SPACERS 1,2,13,14,16,19,20,21,24 TO BE DISBONDED. GROUNDED - YES. SPACERS REPLACED @ 1,2,13,14,16,19,20,21, 24 POSITIONS. REF T/C 78472010.SDR ASAA2022040937927Unknown · unknownIN CRUISE FL 350, N1 87.0, THROTTLES SPLIT BY ONE QUARTER (1/4) BACK/KNOB. GROUNDED - YES. ACCOMPLISHED A/T BITE REF B737-900 FIM 22-31 TASK 801 WITH NO FAULTS FOUND. ALL INTERACTIVE TEST PASS REF FIM 22-31 TASK 801. ACCOMPLISHED EEC BITE FOR #1 AND #2 ENGINE SDR ASAA2022032637803Valve · inoperativeAFTER PUSH BACK ON RECALL CHECK, ZONE TEMP CAUTION FOR CONT CAB ILLUMINATED. PUSHING MASTER CAUTION RESET EXTINGUSHES THE LIGHT. GROUNDED - YES. REMOVED AND REPLACED FLIGHT DECK ZONE TRIM AIR MODULATING VALVE REF B737-900 AMM 21-61-21 OPS CHECK GOOD.SDR ASAA2022032637795Spinner · abnormalWHILE ACCOMPLISHING T/C 78472010, #2 ENGINE INLET SPINNER FRONT CONE FOUND WITH MORE THAN 50% OF WHITE ANTI-EROSION PAINT MISSING. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE INLET SPINNER FRONT CONE PER T/C 78472010.SDR ASAA2022021637448Unknown · unknownRIGHT FMC FAIL AT CRUISE W/ ASSOCIATED VTK AND MAP FLAG. GROUNDED - YES. PERFORMEDB737-900 FIM 34-61 TASK 836 AND RT FMC FUNCTION RESTORED. GROUND VERIFICATION CK GOOD.SDR ASAA2022021237413Heater · inoperativeF/O PITOT LIGHT ILLUMINATED AFTER ENGINE START. GROUNDED - YES. REMOVED AND REPLACED F/O PITOT PROBE REF B737-900 AMM 34-11-01. ALL GND TESTS PASSED.SDR ASAA2022011737156Unknown · unknownAUTOLAND UNSATISFACTORY TOUCHDOWN 40' LEFT. GROUNDED - YES. PERFORMED B737=900 FIM 22-11 TASK 899. NO FAULTS FOUND ON DFCS BITE PER FIM 22-11 TASK 801 GRP #20. PERFORMED GOOD LAND VERIFY TEST PER B737=900 AMM 22-11-00 BITE GROUP #49. GROUND VERIFICATION GOOD. SDR ASAA2021121136875Actuator · leakingON WALK AROUND FOUND #2 ENGINE LEAKING FUEL. GROUNDED - YES. FOUND LEFT VSV DRAIN LEAKING FUEL ON #2 ENGINE 20 DROPS A MINUTE. PERFORMED #2 ENGINE IDLE POWER RUN FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. REMOVED AND REPLACED LEFT SIDE VSV REF B737-900 AMMSDR ASAA2021120937044None · leakingFOLLOW-UP TO #1 IDG FREQUENT SERVICING. FREQUENT SERVICING INCLUDE BEFORE AND AFTER IDG REPLACEMENT. (#PRI2/ETOPS). GROUNDED - YES. FOUND CLEAR EVIDENCE OF A LARGE OIL LEAK FROM THE AIR/OIL COOLER ON #1 ENG. REMOVED AND REPLACED #1 ENG AIR/OIL COOLER REF B737-SDR ASAA2021102836465Fuel Heater · leakingWHILE ACCOMPLISHING LEAK ON #1 ENGINE FOUND FUEL SERVO SPRAYING OUT OF TOP. GROUNDED - YES. REMOVED #1 ENGINE SERVO FUEL HEATER REF B737-900 MM 73-11-07 00-F00. INSTALLED NEW SERVO FUEL HEATER ON #1 ENG REF MM 73-11-07 UP TO STEP F ON PAGE 6. ACCOMPLISHED LEAKSDR ASAA2021102536466Hmu · failedDURING ENGINE #1 START FO NOTED SLIGHT DELAY FOR ENGINE EGT TO STABILIZE BUT OTHERWISE NORMAL AND WITHIN LIMITS. ACCELERATION SLOW ON 1ST APPLICATION OF POWER DURING TAXI BUT NORMAL. 2ND APPLICATION OF POWER PRODUCED NO N1 ACCELERATION. WITHIN 1 MINUTE MASTER SDR ASAA2021100736259None · noneFOLLOW-UP TO #1 IDG FREQUENT SERVICING. FREQUENT SERVICING INCLUDE BEFORE AND AFTER IDG REPLACEMENT. GROUNDED - YES. ACCOMPLISHED IDG STATIC LEAK CHECK. IDG HELD 25 PSI FOR 2 HOURS WITH NO BLEED DOWN. SOAKED IDG AIR/OIL COOLER WHILE STATIC LEAK CHECK WAS BEINSDR ASAA2021090335867Igniter · inoperativeAPU IS INOPERATIVE, NO IGNITION AND APU FAULT LIGHT ILLUMINATED AFTER START SWITCH ACTIVATION. GROUNDED - YES. REMOVED AND REPLACED IGNITER PLUG PER B737-900 AMM 49-41-51, AND REMOVED AND REPLACED IGNITER PLUG LEAD PER AMM 49-41-52. OPS CHECK GOOD.SDR ASAA2021053035004Fault Message · false indicationWHILE ACCOMPLISHING T/C 78273000 #2 ENG HAS LONG TIME FAULT MSG 73-31162 THE MECHANICAL OVERSPEED PROTECTION IS OUT OF RANGE. GROUNDED - YES. RE-ACCOMPLISHED T/C 78273000 FOR #1 AND #2 ENGINES, NO FAULTS EITHER ENGINE,SDR ASAA2021050334747Fmc · malfunctionedWHEN TOGA WAS PRESSED F/O'S V1/VR DISAPPEARED ON SPEED TAPE WITH A 'CHECK SPEED' ALERT. F/O VERTICAL COMMAND BAR IN VNAV ALSO WAS INOP. LVL CHG AND V/S MODES WORKED. F/O MAP ON NAV DISPLAY ALSO FROZE WITH NO ACTIVE WAYPOINT INFO IN UPPER RIGHT CORNER. NO OTHERSDR ASAA2021040734551Idg · failedWITH #1 ENG GENERATOR SELECTED GEN OFF BUS LIGHT ILLUMINATED-AC AMPS AND AC VOLTS INDICATED ZERO. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE IDG IAW B737-900ER AMM 24-11-11. OPERATIONAL TESTS GOOD. RE-INSTLALED/RE-ACTIVATED GEN DRIVE (AMBER) AND GEN OFF BUSDR ASAA2021031834334Fmc · malfunctionedFO FMC WENT BLANK @2233Z FOR LESS THAN 10 SECONDS BEFORE RESTARTING. NO LINGERING EFFECTS NOTED. A/C IN CRUISE @ FL340. .79 MACH VMC. GROUNDED - YES. CONDUCTED FMC OPERATIONAL CHECK REF B737-900 FIM 34-61 TASK 836 ITEMS A-E. NO DISCREPANCY NOTED.SDR ASAA2021020534051Pitot Tube · faultyAUX PITOT LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 30-31 TASK 801 AND FOUND AUX PITOT PROBE AT FAULT. REMOVED AND REPLACED AUX PITOT PROBE PER B737-900 AMM 34-11-01. PERFORMED GOOD OPS TEST AND LEAK TEST OF AUX PITOT PROBE PER AMM 34SDR ASAA2021013033973Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 NR 1 ENGINE FOUND 5 FAN BLADE SPACERS WITH DISBONDED ELASTOMERIC MATERIAL. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE, 5 QTY TOTAL, FAN BLADE SPACERS REF TASK CARD 78472010.SDR ASAA2021010633832Start Valve · inoperativeNR 2 ENGINE ACCELERATION SEEMED SLOWER THAN NORMAL DURING START CYCLE BEFORE START LEVER WAS MOVED TO IDLE. ENGINE STARTED NORMALLY AFTERWARDS. MAX MOTORING WAS 23.9%. NR 1 ENGINE STARTED NORMALLY. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE START VALVSDR ASAA2021010533825Warning Light · false activationPILOTS REPORT ZONE TEMP LIGHT, CLEARS ON RECALL. GROUNDED-YES. NR 2 CONTROLLER SHOWS FLT DECK TRIM VALVE FAULT. CHECKED AND RELEASED, PER MEL 21-21G PER B737-900 FIM 21-62 TASK 842 AND 832. INITIAL EVALUATION: PACK TEMP CONT BITE SHOWS NO FAULTS. OPERATESDR ASAA2021010533823Spacer · debondedNR 2 ENGINE FAN BLADE LUBE NR 7 AND 19 SPACERS ELASTOMERS ARE DISBONDED. GROUNDED-YES. REPLACED SPACERS NR 7 AND NR 19 ON ENGINE NR 2, PER T/C 78472010.SDR ASAA2021010533822Blade · damagedPER T/C 78472010 NR 2 ENGINE FAN BLADE LUBE NR 18 BLADE MISSING CU-N-IN COATING BEYOND LIMITS. GROUNDED-YES. REPLACED FAN BLADE NR 6 AND NR 18 ON ENGINE NR 2, PER TASK CARD 78472010.SDR ASAA2020122933785Lamp · inoperativeL2 DOOR EXT EMERGENCY LIGHT OUT. GROUNDED-YES. RELAMPED & TEST LT L2 DOOR EMERGENCY LIGHT, REF B737-900 AMM 33-51-06. OPERATIONS CHECK GOOD.SDR ASAA2020111833569Coupler · inoperativeREF L/P 60093867 HF1 & HF2 FAILED. GROUNDED-YES. REMOVED & REPLACED NR 2 HF COUPLER B737-900 AMM 23-11-61. GROUND VERIFICATION OPERATIONS CHECK GOOD, REF AMM 23-11-61.SDR ASAA2020111333564Coupler · inoperativePER SEAMC ACARS MESSAGE RECEIVED INDICATING POSSIBLE MALFUNCTION OF HF1 AND HF2 SYSTEMS. GROUNDED-YES. ACCOMPLISHED OPERATIONS CHECK OF NR 1 HF AND NR 2 HF AND FOUND NR 1 HF NOT TRANSMITTING OR RECEIVING. NR 2 HF OPERATIONS CHECK GOOD, REF B737-900 AMM 23-1SDR ASAA2020111133533Transceiver · failedHF NR 1 RADIO FAILED IN FLIGHT. WHEN TRYING TO TUNE ANY FREQUENCY, THE TUNING TONE CONTINUED UNUSUALLY ON (10+ SEC) WHEN NORMALLY IT'S JUST A FEW SECONDS. AFTER THE TONE STOPPED, NEITHER CAPT OR F/O COULD TRANSMIT ON HF 1. WHEN WE REQUESTED A SELCAL CHECK, SDR ASAA2020090233133Exciter · inoperativeDURING START OF NR 1 ENGINE WE OBSERVED NO LIGHT OFF OR EGT INCREASE. RAN QRH PROCEDURES FOR ABORTED START AND DURING SECOND START ATTEMPT HAD THE SAME RESULT, NO LIGHT OFF. GROUNDED - YES. RESOLVED ON W/O: 1845469 TASKCARD: N/R-00001. REMOVED AND REPLACEDSDR ASAA2020082033045Pin · bent3 PASSENGER OXYGEN GENERATORS HAD BENT RELEASE PINS INSTALLED, ROWS 22ABC, 24ABC, 30ABC. GROUNDED - YES. REPLACED WITH NEW PIN LANYARDS CABLE ASSY, REF B737-900 AMM 35-22-11.SDR ASAA2020072402927Circuit Breaker · trippedFA'S REPORTED ALL LAV'S FLUSHING ABILITIES INOPERATIVE DURING FLIGHT GROUNDED - YES. FOUND C/B C11 ON P91 PANEL OPEN VACUUM WASTE CONTROL. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. OPS CHECKED ALL LAV IAW AMM 38-32-00. OPS CHECKED OK.SDR ASAA2020052632752Actuator · leakingNUMBER 2 ENGINE, RT VSV STATIC DRIP, 29 DROPS PER MINUTE, 2-3 DPM DYNAMIC. GROUNDED - YES. REMOVED AND REPLACED NR 2 RT VSV IAW AMM 75-31-01/401. ACCOMPLISHED IDLE LEAK CHECK IAW AMM 75-31-01-790-801-F00, LEAK CHECK GOOD. ACCOMPLISHED ACTUATOR INSTALLATION T
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