N428AS
Service difficulty reports · 250
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 = 'N428AS' 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 = 'N428AS' 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 ASAA2023011341497Modulating Valve · faultedLEFT PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. REPLACED TRIM CONTROL VALVE PER B737-900 AMM 21-51-10.SDR ASAA2023010841475Fmc · fault messageAT FL300 APPROXIMATELY 45 MINUTES INTO FLIGHT, AUTOMATION REVERTED TO 'CWS R' FOLLOWED SHORTLY BY A 'VTK' MESSAGE ON CAPTAINS ND. BOTH MCDU'S DEFAULTED TO MENU, NEITHER ONE DISPLAYING 'FMC' OPTION AT 1L. WE SELECTED HDG AND ALT HOLD, BUT BEFORE WE COULD TAKE ASDR ASAA2023010441410Fmc · intermittentAFTER LANDING BOTH FMC'S RESET FOLLOWED BY AN FMC DISAGREE MESSAGE ON CA MCDU MINUTES LATER AND EXTINGUISHED SHORTLY AFTER. GROUNDED - YES. NO HISTORY- COULD NOT DUPLICATE. PERFORMED B737-900 FIM 34-61 TASK 835 FMC'S NORMAL GRN VERIFICATION GOOD.SDR ASAA2023010241378Acm · faultedRIGHT PACK TEMPERATURE RAPIDLY CLIMBED TO 90 DEGREES WHEN TURNED ON. KEPT FROM OVER TEMP BY TURNING OFF. GROUNDED - YES. REMOVED AND REPLACED RH ACM IN REF TO B737-900 AMM 21-51-04-/401. PERFORMED ACM INSTALL TEST REF AMM 21-51-04-860-025-002 LEAK CHECK GOOD. SDR ASAA2023010241321Modulating Valve · faultedRT PACK LIGHT ILLUMINATED. RT PACK TEMP IS HIGH. GROUNDED - YES. FOUND R/H PACK TEMP INOP. REPLACED PACK TEMP BULB T489, AND TEMP CONTROL VALVE. ALL OPS NML. GROUND VERIFICATON SATISFACTORY. REF AMM 21-51-60 & 21-51-10.SDR ASAA2022123041353Oil Filter · leakingDURING APU OIL SERVICE FOUND APU OIL FILTER LEAKING. GROUNDED - YES. REMOVED & REPLACED APU LUBE FILTER HOUSING & ELEMENT LK & OPS GOOD REF B737-900 AMM 49-91-12.SDR ASAA2022122041198Starter Unit · leaking#2 ENGINE STARTER HAS EVIDENCE OF OIL LEAKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG STARTER REF B737-900 AMM 80-11-01. OPS AND LEAK CHECK GOOD.SDR ASAA2022121341168Module · faultedON TAXI-IN WITH APU RUNNING AND ELECTRIC AVAILABLE APU GENERATORS WOULD NOT COME ONLINE. APU GEN VOLTAGE READ 0 (ZERO). GROUNDED - YES. OPERATED APU GERATION SYSTEM WITH NO DISCREPANCIES NOTED. CYCLED POWER SEVERAL TIMES BETWEEN APU AND ENGINES, ALL OPS NML. RSDR ASAA2022121141130Hmu · leaking#2 ENGINE HMU PAD DRAIN FOUND LEAKING AT 12 DPM DURING LEAK CHECK AFTER ENGINE INSTALLATION. GROUNDED - YES. REMOVED #2 ENG HMU REF ASA T/C N8473000, INSTALLED REPLACEMENT #2 ENGINE HMU, LEAK CHECK AND OPS CHECKS GOOD REF. T/C N8473001. ORIG SUB DATE: 12/15/2SDR ASAA2022120941085Generator · inoperativeAPU GENERATOR FELL OFF LINE PRIOR TO PUSHBACK. GROUNDED - YES. REMOVED AND REPLACED APU GENERATOR WITH REFERENCE B737-900 AMM 49-41-21-400-801 STEP (H) (7C). OPS CHECK GOOD AND NO LEAK FOUND WITH REF AMM 49-41-21-710-001.SDR ASAA2022112840971Insert · defective#2 ENGINE LWR OUTBD FAN DUCT PANEL HAS 1EA BAD INSERT. GROUNDED - YES. REMOVED LWR OUTBD PNL. REF B737-900 AMM 72-23-07 ASA 52800. REMOVED AND REPLACED 1EA BAD INSERT WITH NEW REF CFM SPM 70-42-13 REPAIR 1 ASA 74772. INSTALLED #2 ENG LOWER OUTBOARD FAN DUCT PASDR ASAA2022111140741Hf Comm · malfunctionedHF 2 RADIO DISPLAY FAIL. GROUNDED - YES. PERFORMED BITE TEST OF HF 2 IAW B737-900 AMM 23-11-00, OPS CHK GOOD.SDR ASAA2022103140567Pad · missingREF ASA TASK CARD 78273000 FOUND #2 ENGINE SHORT TIME FAULT CODE 75-20452 AND CODE 75-10452 (REF ASA LP 60387878). GROUNDED - YES. PERFORMED GVI IAW B737-900 AMM 75-32-02 & 75-32-03. FINDINGS WERE ALL VBV RING GUIDE PADS WERE MISSING. NO OTHER DEFECTS NOTED.SDR ASAA2022102140447Actuator · faultyFOUND FMC SHORT TIME FAULTS 75-10452 AND 75-20452, VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED #2 ENG L/H VBV ACTUATOR REF B737-900 AMM 75-32-02. OPS CHECK, LEAK CHECK GOOD.SDR ASAA2022101240309Hmu · faulty#2 ENG FAULT CODE 75-10452, "THE VBV POSITION SIGNALS DISAGREE", SHORT TIME FAULT, FOUND WHILE PERFORMING ASA T/C 78273000. GROUNDED - YES. REF ASA W/O 1927523, ASA T/C N8473000 AND ASA T/C N8473001 FOR REMOVAL AND INSTALLATION OF THE #2 ENG HMU. NO FAULTS AFTSDR ASAA2022101240308Hmu · faulty#2 ENG MAINTENANCE FAULT CODE 75-20452, "THE VBV POSITION SIGNALS DISAGREE", SHORT TIME FAULT, FOUND WHILE PERFORMING T/C 78273000. GROUNDED - YES. REF ASA W/O 1927523, ASA T/C N8473000 AND ASA T/C N8473001 FOR REMOVAL AND INSTALLATION OF THE #2 ENG HMU. NO FASDR ASAA2022100540211Harness · faultyWHILE ACCOMPLISHING ASA T/C 78273000, FOUND FAULT CODE 75-30452 VBV POSITION SIGNALS DISAGREE (SHORT TERM) ON ENG #2. GROUNDED - YES. REMOVED AND REPLACED J10 HARNESS. REF B737-900 AMM 73-21-06.SDR ASAA2022092840123Wire Harness · damagedENG 2 FIRE DETECTION LOOP B IS INOP. GROUNDED - YES. REPLACED CORE FIRE DETECTION HARNESS MW0326 ENG #2 REF B737-900 AMM 26-11-02-400-802. OPERATIONAL TEST OK REF AMM 26-11-00-710-801.SDR ASAA2022092640146Wire Harness · damagedACCOMPLISHING ASA T/C 78273000 THE FOLLOWING FAULT MSG FOR ENG # 2 WAS SEEN MSG NBR: 75-20452 AND MSG NBR: 75-10452 (SHORT TIME) THE VBV POSITION SIGNALS DISAGREE. FLT. LEG 1-X; 2-X; 3-X. GROUNDED - YES. REMOVED AND REPLACED #2 ENG J9 HARNESS REF B737-900 AMM SDR ASAA2022091740059Vbv · bindingMTX MSG SHORT TIME FAULT CODE 75-10452 "THE VBV POSITION SIGNALS DISAGREE" FOUND WHILE PERFORMING ASA TASK CARD 78273000 ON ENGINE #2. GROUNDED - YES. REMOVED AND REPLACED OB VSV ACTUATOR REF B737-900 AMM 75-32-02-400-802.SDR ASAA2022090839885Harness · noneREF ASA W.O. 1918336 ASA DEFECT 60414918. FOUND #2 ENG MW0311 HARNESS CHAFFED. GROUNDED - YES. REPLACED #2 ENG MW0311 HARNESS REF B737-900 AMM 73-21-06.SDR ASAA2022090439878Harness · faultyWHILE PERFORMING ASA TASK CARD 78273000 ENGINE 2 FAULT CODE 75-20452 THE VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT APPEARED DEFERRED PER T/C 78273000. GROUNDED - YES. VERIFIED FAULT CODE 75-20452 STILL SHOWING INTERMITTENT LAST 10 FLT LEGS. PER PREVIOUS HSDR ASAA2022090439877None · noneWHILE PERFORMING ASA TASK CARD 78273000 ENGINE 2 FAULT CODE 75-10452 THE VBV POSITION SIGNALS DISAGREE. SHORT TERM FAULT APPEARED. DEFERRED PER T/C 78273000. GROUNDED - YES. ON DEFERRAL.SDR ASAA2022082639686Cdu · failedF/O MCDU SCREEN BLANKED WITH NO OTHER MESSAGES, CAME BACK ON AFTER SOME BIT, TEST AUTOMATICALLY PERFORMED. NO LOSS OF DATA OR LNAV/VNAV @ FL330 80 MILES SE OF AYZOL. GROUNDED - YES. UNIT BITE TEST GOOD. NO HISTORY.SDR ASAA2022082539679Unknown · faultyACCOMP ASA T/C 78273000. RECORDED FAULT CODE 75-30452 THE VBV POSITION SIGNALS DISAGREE #2 ENG SHORT TIME FAULT. GROUNDED - YES. C/W B737-900 FIM 75-32 TASK 803, MEASURE THE RESISTANCE BETWEEN THE VBV ACTUATOR & EEC DP1010 AND DP0909 (VBV VERSION 2) ALL RESISTSDR ASAA2022082339627Starter · faultyAFTER #2 ENG START AND AFTER AC PANEL CONFIGURED TO START #1 ENG THE DURING #1 ENG START N2 VERY SLOW TO REACT 25% NORMAL START AFTER THAT ALL OTHER INDICATIONS NORMAL. PANEL CONFIG FOR #1 ENG START LH PACK OFF, ISO VALVE CLOSED, RH PACK AUTO, BOTH ENG BLEED SSDR ASAA2022082339616Control Panel · faultyMCP BLANK ALL DISPLAYS. GROUNDED - YES. CYCLED A/C POWER OPS CKS GOOD.SDR ASAA2022081939573Sense Line · brokenWHILE WORKING ASA W/O 1921020/DEFECT ASA LP 60094957: FOUND #2 ENG, HIGH STAGE VALVE LWR BODY DIAPHRAGM - SENSE LINE BROKEN @ VALVE 'B' NUT CONNECT POINT. (BROKEN TUBE). GROUNDED - YES. REPLACED HIGH STAGE VALVE LOWER SENSE LINE/TUBE REF. B737-900 AMM 36-11-06SDR ASAA2022081639561Harness · faultedON #2 ENG FOUND FAULT CODE 75-20452 VBV POSITION SIGNALS DISAGREE. SHORT TERM FAULT. DEFERRED PER ASA T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED J10 HARNESS REF B737-900 AMM 73-21-06.SDR ASAA2022081639560Harness · faultyON ENG #2 FOUND FAULT CODE 75-10452 VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER ASA T/C 78273000. GROUNDED - YES. REPLACED J9 HARNESS REF. B737-900 AMM 73-21-06.SDR ASAA2022080439407Eec · inoperativeENG #2 HAD FAULT CODE 75-30452. THE VBV POSITION SIGNALS DISAGREE. SHORT TIME 50 FLT HRS DEFERRED PER ASA T/C 78273000. GROUNDED - YES. REF. B737-900 AMM 73-21-60, REMOVED/REPLACED #2 ENGINE EEC.SDR ASAA2022073039281Lubrication Unit · leakingDURING ENGINE RUN #2, FOUND OIL DRIPPING OUT OF AFT SUMP DRAIN PORT. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE LUBRICATION UNIT REF B737-900 AMM 79-21-01-400-801-F00 STEPS G (1)- (6). PERFORMED IDLE POWER LEAK CHECK ON #2 ENGINE LUBRICATION UNIT REF AMM 7SDR ASAA2022072639282Actuator · faulty#2 ENG BITE HAD FAULT 75-30452 THE VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. ACCCOMPLISHED B737-900 FIM 75-32 TASK 803. RESISTANCE AT PIN 1-2 ON VBV-B (LEFT HAND ACTUATOR) READS 343 OHMS -- OVER 20 OHMS HIGH. ASDR ASAA2022071739157Actuator · faultyWHILE PERFORMING T/C 78273000 FOUND FAULT 75-30452 SHORT TERM FAULT VBV POSITION SIGNAL DISAGREE ON ENG #2. GROUNDED - YES. REMOVED AND REPLACED #2 ENG VBV ACTUATOR REF B737-900 AMM 75-32-02 LEAK AND OPS CHECK GOOD.SDR ASAA2022071139028Valve · failedON REPOSITION TAXI, #2 ENGINE WILL NOT START, NO START VALVE LIGHT DURING START. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE START VALVE PER B737-900 AMM 80-11-03, OPS CHECK GOOD AND LEAK CHECK GOOD PER AMM 71-00-00.SDR ASAA2022062338812Vbv · unserviceableDURING ACCOMPLISHMENT OF T/C 78273000 #2 ENG HAS SHORT TIME 50 FLT HOURS FAULT MSG 75-30452. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. ACCOMPLISHED RESISTANCE CHECKS OF VBV ACTUATOR RECEPTACLES DP0908 AND DP1008 VERSION 7074-300 AND 1226400 PER B737-9SDR ASAA2022061838733Vbv · false indicationREF T/C 78273000, ENG 2 SHORT TIME FAULT 75-30452. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED BITE CHECK OF FMC CDU ON ENG #2 PER B737-900 AMM 73-21-00 NO ACTIVE FAULTS NOTED.SDR ASAA2022060138538Cabin Air Sys · fluctuatesWHILE LEVEL AT FL330 CABIN RATE INDICATOR CONTINUOUSLY FLUCTUATES BETWEEN +-200KPM. LH DUCT PRESSURE HOLD STEADY AT 40PSI. RH DUCT PRESSURE CONTINUOUSLY FLUCTUATES BETWEEN 42-46 PSI IN CONJUCTION WITH CABIN RATE INDICATOR. ALL OTHER PRESSURIZATION INDICATIONS SDR ASAA2022052538499Igniter · failedAFTER PUSHBACK #1 ENGINE WOULD NOT START WITH IGNITION IN "IGN R" POSITION. GROUNDED - YES. REMOVED AND REPLACED R/H IGNITOR PLUG REF B737-900 AMM 74-21-02. REMOVED AND REPLACED R/H IGNITION LEAD REF AMM 74-21-01. PERFORMED IGNITION SYSTEM AUDIBLE TEST, BOTH LSDR ASAA2022042238108Regulator · leakingWHILE WORKING ASA TASK CARD NG-36WC-00001 PG15 STEP L FOUND BUBBLES FROM LOOSEN SENSE LINE ON HIGH STAGE REGULATOR #2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED HIGH STAGE REGULATOR PER B737-900 AMM 36-11-07. HIGH STAGE REGULATOR INSTALLATION TEST REQUIRED. SDR ASAA2022042238107Precooler · inoperativeWHILE WORKING ASA TASK CARD NG-36WC-00001 STEP 10 REQUIRES 450 DEG F THERMOSTAT TO BE REPLACED AND CHANGE 390 DEG F PRE COOLER VALVE SENSOR AS PRECAUTIONARY. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE 450 DEG F THERMOSTAT REF B737-900 AMM 36-11-05-400-801.SDR ASAA2022042238106Module · leakingTECH SERVICES REQUEST TO ACCOMPLISH #1 ENGINE BLEED AIR SYSTEM HEALTH CHECK. GROUNDED - YES. WHILE PERFORMING ASA TASK CARD NG-36WC-00001 FOUND HIGH STAGE REGULATOR (HSR) LEAKING FROM REVERSE FLOW DIAPHRAGM. REMOVED AND REPLACED HSR, LEAK CHECKED GOOD B737-90SDR ASAA2022042138081Pressure Valve · stuckON DEPARTURE DURING AFTER T/O CHECKLIST WE NOTED A DUCT PRESSURE SPLIT OF 27PSI (LEFT PACK AT 54/ RIGHT PACK AT 28) PRESSURE SPLIT DECREASED WITH A/C DECREASE BUT WAS STILL GREATER THAN 25PSI. GROUNDED - YES. PERFORMED DEFERRED MAINTENANCE LIMITS AND ABBREVIATSDR ASAA2022041338049Unknown · degradedDUCT PRESSURE INDICATES 60-L 35-R ON CLIMB AT 340 CRUISE 43-L 35-R. GROUNDED - YES. REMOVED & REPLACED #2 ENG BLEED AIR REGULATOR (PRSOV) PER B737-900 AMM 36-11-03-400-801 OPS & LEAK CHECK GOOD. OK FOR SERVICE.SDR ASAA2022031837718Unknown · unknownIN CRUISE, MESSAGE 'SINGLE FMC OPERATION' ON R SCRATCHPAD AND VTK ON R MAP DISPLAY. LNAV / VNAV DISENGAGED ON R A/P. CORRECTED ITSELF BEFORE ANY PILOT INTERVENTION WITHIN FEW MIN. GROUNDED - YES. SYS LOGGED 'FMC-R PRES POS LAT RATE' LAST LEG. FAULT NO LONGER PSDR ASAA2022012237249Control Valve · faultyAMBER PACK LIGHT ILLUMINATES FOR THE RIGHT PACK ON MASTER CAUTION RECALL. AMBER PACK LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED & REPLACED RT PACK AFT TEMP CONTROL VALVE REF B737-900 AMM 21-61-21, BITE TEST GOOD.SDR ASAA2022011237136Transceiver · faultyIN FLIGHT/ HF1 FAIL LIGHT CAN HEAR BUT NO TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED HF1 TRANSCEIVER PER B737-900 AMM 23-11-21. REMOVED POWER AND RESTACKED AIRCRAFT. PER TEST REF AMM 23-11-21 OPS CHK OK.SDR ASAA2021122136973Unknown · unknownCONDUCTED AUTOLAND HGS RUNWAY 16R KSEA CALM WINDS, 2 DEG C. APPROACH PROCEEDED NORMALLY UNTIL THE FLARE PORTION WHEN AIRCRAFT DRIFTED LEFT 20-30 FT. HGS SEEMED GOOD, JUST AUTOLAND DRIFT LEFT IN FLARE = UNSUCCESSFUL AUTOLAND. GROUNDED - YES. ACCOMP HGS LAST FLTSDR ASAA2021112236718Wire Harness · brokenLOOP B ON ENG 2 HAS FAULT DURING THE FIRE TEST. GROUNDED - YES. TROUBLESHOT PER B737-900 FIM 26-10 TASK 805 AND B737-900 WDM 26-11-11 PG# 2. FOUND HARNESS MW0326 OPEN (BROKEN). REPLACED HARNESS MW0326 PER AMM 26-11-02 PG# 401, SYSTEM OPS CHECKED GOOD. ETOPS GRSDR ASAA2021111936657Control Unit · inoperativeON TAKEOFF ROLE - 80 KTS MASTER CAUTION R1 OVERHEAT ILLUMINATED ABORTED TAKEOFF, COMPLETED QRH PROCEDURE, LIGHT REILLUMINATED. GROUNDED - YES. VERIFIED RIGHT SIDE CONTROLLER INOP, SWAPPED CONTROLLERS PN 83000-05605 BACK TO ORIGINAL POSITION. REMOVED & REPLACED
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