N434AS

Service difficulty reports · 176

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 = 'N434AS' 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.

SDR ASAA2019061089651Sliding Window · bindingOPENED FO SLIDING WINDOW TAXIING INTO GATE VERY DIFFICULT TO SECURE CLOSED. GROUNDED - YES. PERFORMED GVI OF F/O'S R2 SLIDING WINDOW. FOUND TO BE OPERATING NORMALLY NO DEFECTS NOTED REF B737-900 AMM 56-12-11 OK FOR CONTINUED SERVICE.Jun 8, 2019 · N434AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2019060329545Warning Light · false activationAFTER TOUCH DOWN THE AUTO FAIL LIGHT CAME ON. GROUNDED - YES. PERFORMED B737-900 AMM TASK 21-31 827. AUTO FAIL LIGHT REMAINS EXTINGUISHED. PERFORMED DCPC BITE REF B737-900 FIM 21-31 TASK 801. DCPC #1 SYSTEM OK. DCPC #2 HAS FAULT HISTORY OFV LRU FAIL. PERFORMEDJun 1, 2019 · N434AS · Boeing 737990ER · Air Conditioning SystemSDR ASAA2019051429332Warning System · false activationAT CRUISE ALTITUDE FL340 LT SIDE WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATED. GROUNDED - YES. SUCCESSFULLY PERFORMED QRH PROCEDURE AND OVERHEAT LIGHT REMAINED EXTINGUISHED FOR REMAINDER OF FLIGHT.May 14, 2019 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA201904296163Satcom · malfunctionedSAT MENU SELECTION MISSING ON GROUND FROM FMC CDU. GROUNDED - YES. ACCOMPLISHED B737 QRH SATCOM LOCK-UP CHECKLIST. SAT PROMPT NOW DISPLAYED ON CDU.Apr 26, 2019 · N434AS · Boeing 737990ER · Communications SystemSDR ASAA2019040548892Autothrottle Sys · malfunctionedIN CRUISE, AUTOTHROTTLES DISENGAGED. C/B P18 E-1 POPPED. GROUNDED - YES. ACCOMPLISHED C/B RESET PROCEDURE REF. B737-900 AMM 20-60-01. RESET AUTOTHROTTLE DC-1 ON P18-1. CURRENT STATUS TEST SHOWS MSG. 22-31544 A/T DISENGAGE THRU LVR-1. ACCOMPLISHED FIM 22-32 TASApr 4, 2019 · N434AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2019030228419Control Valve · failedON RECALL, LT PACK LIGHT STAYS ILLUMINATED. LIGHT EXTINGUISHED W/ MASTER CAUTION RESET. GROUNDED - YES. REL PER MEL 21-32B. LEFT PACK PRIMARY TEMP CONT INOP. PERFORMED PFTC BITE REF AMM 21-61-00-740-801-002 ON LT PFTC, FAULT IS TCV. REMOVED AND REPLACED TCV REMar 2, 2019 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019022028260Warning System · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. FLIGHT DECK PRIMARY TEMP CONTROL INOP. INTERMITTENT F/D SELECTOR FAULT 21-51311, RESET & TESTS NML PER FIM 21-62 TASK 862. ETOPS SIGNIFICANT SYSTEM, GROUND VERIFICATION SUCCESSFFeb 20, 2019 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2019012227901Warning System · false activationSIDE WINDOW L2 OVERHEAT. GROUNDED - YES. SIDE WINDOW L2 OVERHEAT OPS CHECK GOOD. AMM 30-41-11-710-801. OK FOR SERVICE.Jan 22, 2019 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018123177616Warning Light · false activationLEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED AT CRUISE EXTINGUISHED AFTER PERFORMING CHECKLIST. GROUNDED - YES. AS PRECAUTION RECYCLED AIRCRAFT POWER, RAN WINDOW HEAT SYSTEM OPS CHECK REF B737-900 AMM 30-41-00 SYSTEM OP CHECKS GOOD NO DEFECTS NOTED GROUND VERIFDec 27, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018122647558Warning Light · false activationL2 WINDOW OVERHEAT LIGHT ILLUMINATED LEVELING AT FL330. GROUNDED - YES. PERFORMED AND COMPLETED QRH CHECKLIST. OPS NORMAL.Dec 24, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018120527230Warning System · false activationL SIDE OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED CHECKLIST LIGHT STAYED OFF. GROUNDED - YES. NO CURRENT FAULTS NOTED UPON ACCOMPLISHMENT OF FIM 30-41 TASK 801. NO HISTORY NOTED OVER 30 DAYS. OPERATED WINDOW HEAT 10 MIN PLUS ON GROUND. NO DEFECTS NOTED.Dec 5, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018112527059Satcom · malfunctionedSATCOM INOP IN TRANSMIT. CAN HEAR PEOPLE AT OTHER END. (RCVR OK) BOTH SAT 1 & SAT 2 INOP. GROUNDED - YES. PERFORMED FIM 23-15 TASK 801, CYCLED SATCOM CB. SUCCESSFULLY CALLED ATC ON SATCOM 1 AND 2 AND ACCOMPLISHED TWO WAY RADIO COMMUNICATIONS. REF AMM 23-15-00.Nov 25, 2018 · N434AS · Boeing 737990ER · HF Communications SystemSDR ASAA2018112627055Warning Light · false activationMACH TRIM LIGHT ILLUMINATED IN FLIGHT. DOES NOT EXTINGUISH ON MASTER CAUTION RECALL/RESET. AFTER A SHORT DELAY AND MULTIPLE RESET ATTEMPTS, THE MACH TRIM LIGHT DID EXTINGUISH. OPERATES AS EXPECTED NOW WITH MEL 22-5C. SUSPECT MASTER RECALL/RESET ISSUE. GROUNDEDNov 22, 2018 · N434AS · Boeing 737990ER · Central WarningSDR ASAA2018112617053Warning Message · false activationSINGLE CHANNEL MACH SPEED TRIM FAIL. GROUNDED - YES. NO FAULTS LOGGED IN FCC-A . ONLY FAULTS LOGGED IN FCC-B ARE THREE LEGS OF MACH TRIM INPUT POWER INVALID THAT WERE INDUCED BY CONFIGURATION CHANGE. NO PRIOR FAULTS WERE LOGGED. CONFIGURATION CHANGE REVERSED. Nov 21, 2018 · N434AS · Boeing 737990ER · Central WarningSDR ASAA2018111986881Warning Light · false activationCONT CAB ZONE TEMP LT ILLUM BUT RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 842 & FAULT CLEARED. NO EXISTING FAULTS.Nov 18, 2018 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018110986784Actuator · failedTECH SERVICE REQUEST. DUE TO RECENT R/H PACK LIGHT, REPLACE R/H RAM AIR EXIT SRADA ACTUATOR TO PREVENT DELAYS. GROUNDED - YES. REMOVED AND REPLACED RH RAM AIR INLET SRADA ACTUATOR REF B737-900 AMM 21-51-21-000-801 AND 21-51-21-400-801 PAR 3A-H(2). PULLED AND RNov 8, 2018 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2018110976785Acm · failedON TAX IN RIGHT PACK LIGHT ILLUMINATED. RESET PER QRH, 5 MINS LATER THE RIGHT PACK LIGHT RE-ILLUMINATED. GROUNDED - YES. FOUND R/H PACK WAS TRIPPED OFF. REMOVED AND REPLACED R/H PACK ACM PER B737-900 AMM 21-51-04. PERFORMED ACM INSTALLATION TEST. ACM INSTALLATNov 7, 2018 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2018110326711Warning Light · illuminatedRIGHT PACK LIGHT ILLUMINATES WHEN PRESSING RECALL. EXTINGUISHES WHEN PRESSING MASTER CAUTION. GROUNDED - YES. CW B737-900 FIM 21-62 TASK 801. NO CURRENT FAULTS. RH CONTROLLER SHOWS FC 21-51406 SRADA EXIT CBIT FOR LEG 00 IN HISTORY INTERMITTENT RECOVERED. RAN GNov 3, 2018 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2018102626599Control Panel · damagedBACKGROUND AND DIGITS ARE FAILING ON THE IAS/MACH WINDOW OF THE MCP PANEL. GROUNDED - YES. CONFIRMED FAULT, IAS/MACH WINDOW DIGITS UNREADABLE. REMOVED & REPLACED DFCS MCP REF AMM 22-11-34. ACCOMPLISHED MCP INSTALLATION TEST REF AMM 22-11-34-740-801, AMM 22-11-Oct 25, 2018 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2018102626590Sensor · faultedDURING CLIMB @ FL 30000 "R" SIDE WINDOW OVERHEAT ILLUMINATED LIGHT EXTINGUISHED WITH QRH PROCEDURE. GROUNDED - YES. CONFIRMED FAULT, WHC BITE REF FIM 30-41 TASK 801 SHOWS WINDOW SENSOR FAULT. REF AMM 30-41-00-420-801, SPARE SENSOR ALREADY USED. REMOVED & REPLAOct 23, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018102226580Warning System · false activationR2 WINDOW HEAT OVERHEAT LIGHT ILLUMINATED DURING CLIMB. GROUNDED - YES. PERFORMED QRH PROCEDURE. OVERHEAT LIGHT REMAINS EXTINGUISHED.Oct 22, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018102026551Warning System · false activationR2 WINDOW OVERHEAT LIGHT CAME ON IN CLIMB OUT RAN CHECKLIST AND STILL OVERHEATED. GROUNDED - YES. CHECKED R2 WINDOW OVERHEAT LIGHT, PERFORMED WHCU BITE CHECK REF FIM 30-41 TASK 801 FOUND R SIDE WINDOW SENSOR FAULT HISTORY BUT FAULT CLEARS WHEN BIT VERIFY IS PROct 20, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018101126450Unknown · malfunctionedCAT 3 APPCH AT 20 FT A/C DRIFTED RIGHT WHILE FLARING. DRIFT CONTINUED TO APPROX 60-70 FEET RIGHT OF CENTERLINE WHEN I DISCONNECTED AUTOPILOT. WIND ON RWY 16R WAS 05013. AFTER TOUCHDOWN ROLLOUT CAUTION ILLUMINATED IN HUD. APPROACH TO DISCONNECT WAS NORMAL AND OOct 11, 2018 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2018100326350Charger · inoperativeELEC LIGHT ILLUMINATED ON P5-13 PANEL. GROUNDED - YES. FOUND BATTERY CHARGER INOP MSG. REPLACED BATTERY CHARGER PER AMM 24-31-21. NO FAULTS NOTED.Oct 3, 2018 · N434AS · Boeing 737990ER · Battery/Charger SystemSDR ASAA2018090425990Warning System · false activationDURING CRUISE FO PFD DISPLAYED AMBER VTK FLAG, AMBER LDG ALT AND AMBER RNP/ANP INDICATIONS ON NAV DISPLAY, RETURNED TO NORMAL DISPLAYS LESS THAN 20 SECONDS. GROUNDED - YES. FLIGHT FAULT REVIEW, FMC-R PRES POS LATE- RATE FAULT LOGGED ONCE. ACCOMPLISHED FIM 34-6Sep 2, 2018 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA201808205796Unknown · unknownHYBRID AUTOLAND UNSUCCESSFUL. LANDED WELL LEFT OF CENTERLINE. RT MAIN WAS LEFT OF CENTERLINE BY 2 FEET. ACFT GROUNDED. PERFORMED FIM 22-11 TASK 825. HGS SHOWS NO CURRENT FAULTS. ACCOMPLISHED LAND VERIFY. IAW HGS-4000 SMM 34-36-00. ACCOMPLISHED HGS OPS TEST. Aug 15, 2018 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2018080765689Fmc · malfunctionedLEFT FMC FAILED AT F340, .78 MACH. VTK DISPLAYED ON CAPTAIN'S ND WITH LOSS OF FMC ON BOTH CDU. RAN QRH AND REGAINED FMC. ACFT GROUNDED. DURING A BITE TEST FOUND LT PGM FAULT. ACCOMPLISHED FIM 43-61, TASK 807. FMC OPS CHECKED GOOD .Aug 6, 2018 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018080225620Modulating Valve · failedF/A & PAX COMPLAINED THAT FWD CABIN (ROWS 6-15) WAS TOO HOT BUT FIRST CLASS WAS FINE. KEPT TURNING DOWN TEMP ON FWD CABIN TEMP CONTROLLER BUT HAD TO TURN IT DOWN A LOT IN ORDER FOR ROWS 6-15 TO BE TOLERABLE BUT THEN FIRST CLASS WAS VERY COLD. GROUNDED - YES. RJul 31, 2018 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018073025555Fmc · malfunctionedDUAL FMC FAILURE - LASTED ABOUT 5 SECONDS (RIGHT SIDE ONLY FAILURE ON ROLL OUT). GROUNDED - YES. BITE OF BOTH FMC'S SHOW INFLIGHT FAULT FOR NR 2 FMC INTERMITTENT LOSS OF DATA. ACCOMPLISHED FIM 34-61 TASK 807. GROUND VERIFICATION TEST OF NR 1 & NR 2 FMC OPS NORJul 28, 2018 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018052974821Fmc · intermittentLEFT FMC FAILED INFLIGHT. RAN QRH CONTINUED WITH SINGLE RIGHT FMC. ACFT GROUNDED. PERFORMED FIM 34-61 TASK 836, FMC SYS RESET, CHECKED GOOD. SUSPECT INTERMITTENT FAULT, NO HISTORY PAST 30 DAYS OK FOR SERVICE.May 27, 2018 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018052224746Idg · failedNR 1 DRIVE LIGHT ILLUMINATED IN FLIGHT FL 350 WITH NR 1 SOURCE OFF CAUTION ALSO ILLUMINATED. GROUNDED - YES. AFTER MEL 24-1B CONFIGURATION CHANGES REVERSED AND WITH ENGINE RUN, IDG DRIVE LIGHT, REMAINS ILLUMINATED AT ENG IDLE AND NO VOLTS OR FREQS ON P5-13 OVEMay 22, 2018 · N434AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2018040924197Sensor · faultyWINDOW HEAT OVERHEAT ANNUNCIATED ON FO SIDE WINDOW, RAN QRH WITH SWITCH OFF FOR 5 MINUTES-OVERHEAT ANNUNCIATED IMMEDIATELY WHEN SWITCH TURNED BACK ON. REPEAT WRITEUP - SEE PAGE 11773853. GROUNDED - YES. PERFORMED RIGHT SIDE WINDOW HEAT CONTROL UNIT BITE PROCEDApr 9, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018040924183Warning System · false activationR SIDE WINDOW HEAT OVERHEAT ILLUMINATED IN FLIGHT. REMAINED ILLUMINATED AFTER QRH. GROUNDED - YES. RIGHT SIDE WINDOW HEAT TESTED PER AMM TASK 30-41-00 AND OPS CK NORMAL, NO CURRENT FAULT ON THE WINDOW HEAT CONTROLLER. NO HISTORY 30 DAYS.Apr 9, 2018 · N434AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2018032023978Attach Fitting · wornWHILE ACCOMPLISHING NR 2 ENG INLET INSP FOUND 2ND DUCT ATTACH LINK ABOVE THE HIGH STAGE VALVE WORN. GROUNDED - YES. REMOVED AND REPLACED 2ND DUCT ATTACH LINK ABOVE THE HIGH STAGE VALVE REF P/P BUILD UP MANUAL 71-00-02 FIGURE 16-1.Mar 20, 2018 · N434AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2017122222974Control Valve · faultedLEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES WHEN MC RESET. PRESSURIZATION NORMAL. ACFT GROUNDED. TEMP CONTROLLER BITE SHOWS LT TEMP CONTROL VALVE FAULT. VERIFY TEST DID NOT CLEAR FAULT. REMOVED THE LEFT PACK TEMP CONTROL VALVE IAW AMM 21-51-10 AND INDec 22, 2017 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017120322767Warning Light · illuminatedON RECALL - ZONE TEMP LIGHT FOR CONT CAB ILLUMINATES AND CLEARS WHEN MASTER CAUTION IN RESET. GROUNDED - YES. RELEASED PER MEL 21-21F CONT CAB ZONE TEMP PRIMARY/BACKUP INOP. INTERROGATED THE PFTC. FOUND NO FAULTS. ACCOMPLISHED PFTC BITE CHECK REFB737-900 FIM TDec 3, 2017 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017112022648Fmc · malfunctionedLEFT FMC FAILED TWICE IN 15 MINUTES DURING CRUISE FLIGHT. SELF-RESOLVED BOTH TIMES, COULD NOT MODIFY ROUTE AFTER. SELECTED FMC BOTH ON RT IAW QRH FMC FAIL CHECKLIST, RESOLVED THIS PROBLEM. NOTE THAT AFTER RESOLVING, THE LEFT FMC DID HAVE A POSITION ON POS Nov 20, 2017 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017092522033Hf Comm · malfunctionedNR 2 HF SHOWS FAILED ON DISPLAY. ACFT GROUNDED. PERFORMED A NR 2 HF SYSTEM BITE CHECK & NO FAULTS FOUND IAW FIM 23-11 TASK 801. GROUND FUNCTIONAL TEST PASSED.Sep 25, 2017 · N434AS · Boeing 737990ER · HF Communications SystemSDR ASAA2017090621836Fmc · malfunctionedLEFT FMC FAILED ENROUTE FOUR TIMES, RECOVERED AFTER 90 SECONDS EACH TIME LEFT VTK FLAG LNAV R NAV DISENGAGED AT UNIT ON CENTER UPPER DU FO STILL HAD MAP DATA. ACFT GROUNDED. INFLIGHT FAULT CHECK SHOWS NO FAULTS LAST 9 FLIGHTS. ACCOMPLISHED FIM 34-61 TASK 836Sep 6, 2017 · N434AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017080821585Computer · failedCAPTAIN'S FD INOPERATIVE, SPEED TRIM FAIL, AND MACH TRIM FAIL LIGHTS ILLUMINATED ON RECALL. EXTINGUISHED DURING RESET. ACFT GROUNDED. REPLACED FCC A IAW AMM 22-11-33-400-801. COMPLIED WITH IAW AMM 22-11-33/401 REPLACEMENT TEST NR 35. RAN LAND VERIFY IAW AMM Aug 8, 2017 · N434AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017071421368Control Valve · faultedRIGHT PACK ILLUMINATES ON RECALL. ACFT GROUNDED. CONFIRMED FAULT, RT PACK/ZONE TEMP CONTROLLER BITE SHOWS INTERMITTENT TCV NR 2 (V141) FAILED MESSAGE 21-51267. GVI TCV NR 2, SHOWS OVERHEAT & FLUID LEAK. REMOVED & REPLACED THE TCV NR 2 IAW AMM 21-51-10, GROUJul 14, 2017 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017061221050Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED DURING RECALL. RESET WITH MASTER CAUTION PRESSED. ACFT GROUNDED. PERFORMED BITE CHECK ON BOTH TEMP CONTROLLERS IAW AMM 21-21-00. NO FAULTS FOUND, GROUND VERIFICATIONS CHECKED NORMAL.Jun 12, 2017 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017060420940Connector · disconnectedAFTER ENGINE START DURING MASTER CAUTION RECALL, FWD CAB ZONE TEMP ANNUNCIATOR ILLUMINATED. UNABLE TO DEMONSTRATE TEMPERATURE CONTROL REQUIRED BY MEL 21-19F FWD/AFT OPERATIONS PROCEDURES. THE ANNUNCIATOR DID EXTINGUISH WITH MC RESET. ACFT GROUNDED. ACCOMPLISJun 4, 2017 · N434AS · Boeing 737990ER · Air Conditioning System WiringSDR ASAA2017060320941Filter · cloggedF/A REPORT CABIN HOT ROW 6-17, ADJUSTMENT ON TEMP SELECTOR DID NOT WORK. QRH FOLLOWED. TRIM AIR TURNED OFF THEN CABIN TEMP STABILIZED. LEFT TRIM AIR SW OFF. ACFT GROUNDED. PACK FLOW TEMP CONTROLLER BITE TEST DONE IAW AMM 21-61-00-740-801-002. BITE TEST GOOD. Jun 3, 2017 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017050520654Warning Light · false activationRIGHT PACK LIGHT ON RECALL, GOES OUT WITH RESET. ACFT GROUNDED. ACCOMPLISHED PZTC 2 BITE PROCEDURE, NO EXISTING FAULTS LOGGED IAW AMM 21-61-00. NO PACK LIGHT ON MASTER CAUTION RECALL. OPS CHECK GOOD.May 5, 2017 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017050220616Bonding Jumper · frayedNR 2 ENGINE FIRE DETECTION LOOP HAS FRAYED BONDING JUMPER, LOCATED AT THE APPROXIMATELY 3 O'CLOCK POSITION AS VIEWED FROM AFT OF THE ENGINE. GROUNDED - YES. REPLACED MW0325 FIRE DETECTION HARNESS, REF AMM 26-11-02-400-802. OPS NORMAL. GROUND VERIFICATION TEST May 2, 2017 · N434AS · Boeing 737990ER · Fire DetectionSDR ASAA2017042120502Unknown · malfunctionedUNABLE TO CONNECT TO DISPATCH USING SATCOM. GROUNDED - YES. REF AMM 23-15-00-730-801 SATCOM SYSTEM TEST. SUCCESSFUL 2 WAY COMMUNICATION OUTGOING AND INCOMING WITH DISPATCH ON BOTH SAT 1/2 VIA THE MCDU AND CALLING THE A/C'S IRIDIUM SATCOM PHONE NUMBER. OPS TESTApr 21, 2017 · N434AS · Boeing 737990ER · Communications SystemSDR ASAA2017030220009Warning Light · false activationELEC LIGHT ILLUMINATED AFTER PUSH BACK. ACFT GROUNDED. CAPTAIN ADVISED GROUND POWER DROPPED OFF DURING POWER TRANSFER. ACCOMPLISHED ELECTRIC LIGHT BITE CHECK IAW FIM 24-31 TASK 801, SPCU FAULT RESET, BITE CHECK PASSED.Mar 2, 2017 · N434AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017030220002Warning Light · false activationCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED AFTER START. ACFT GROUNDED. ACCOMPLISHED A TEMP CONTROL BITE IAW AMM 21-61-00, FAULT RESET. BITE CHECK PASSED.Mar 2, 2017 · N434AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017021219785Warning Light · false activationCONTROL CABIN DUCT SUPPLY RUNS AT 40C WITHOUT REGARD TO ITS RHEOSTAT. CONSISTENTLY WARMER THAN DESIRED CABIN TEMPERATURE REPORTS AT MULTIPLE CRUISING ALTITUDES. L/R DUCT PRESSURE MAINTAINING 50 PSI. FWD & AFT CABIN RHEOSTAT ADJUSTMENTS CAUSE CONT CAB TEMP TO Feb 12, 2017 · N434AS · Boeing 737990ER · Cabin Temperature Control System
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