JASC 2840

Service difficulty reports · 1,864

Reports filed under 2840 · Fuel Indicating 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 = '2840'
  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 ASAA2017022519926Compensator · out of toleranceREF ASA TASK CARD NG-28FCD-18090-1 FOUND 11 PROBES OUT OF TOLERANCE, F15,F1,,F2,F3,F4,F5,F6,F7,F8,F9 AND F10 IN TANK 2. ACFT GROUNDED. R & R COMPENSATOR AND TANK UNITS IAW AMM 28-41-21. SYSTEM TEST FUEL QTY INDICATION SYSTEM TESTED NORMAL IAW AMM 28-41-00-730Feb 25, 2017 · N590AS · Boeing 737890SDR ASAA2017022519925Compensator · out of toleranceFOUND EIGHT PROBES OUT OF TOLERANCE IN TANK 1. ACFT GROUNDED. R & R THE PROBES IAW AMM 28-41-21. SYSTEM OPS TESTED NORMAL IAW AMM 28-41-00.Feb 25, 2017 · N590AS · Boeing 737890SDR FDEA201702180587Indicator · malfunctionedDUE TO QRH PROCEDURES LEAVING CROSSFEED OPEN WITH LOW FUEL INDICATIONS, LANDED OUT OF TANK LIMITS. LEFT TANK, 7.8 RT TANK 4.6. IAW MOCC AND ENGN STICK FUEL QTY IN TANKS BOTH OUTER TANKS READING PER INDICATION L/H OUTER 7.5 AND STICK READING WAS 30 ON STFeb 18, 2017 · N749FD · Airbus A300B4622RSDR ASAA2017021619857Compensator · failedFOUND NINE PROBES BAD, F15, F1, F3, F4, F6, F8, F9, AND F10 ON NR 1 TANK. INITIATED MIG 2C S/N 40-0015973-5975. ACFT GROUNDED. REMOVED AND REPLACED F3 AND F4 TANK PROBES IAW AMM 28-41-21. REPLACED F6, F7, F8, TANK UNIT IAW AMM 28-41-21. REMOVED AND REPLACED CFeb 16, 2017 · N594AS · Boeing 737890SDR 2017F00053Indicator · malfunctionedFLIGHT DIVERTED, DUE TO UNRELIABLE FMC FUEL INDICATIONS. PERFORMED FQUIS ADJUSTMENT TEST.Feb 14, 2017 · Boeing 767328SDR ASAA2017021219788Indicator · inaccurateCENTER TANK GUAGE IN FUELING PANEL INACCURATE. ACFT GROUNDED. REMOVED AND REPLACED THE CENTER REFUEL QTY INDICATOR IAW AMM 28-41-61, OPS NORMAL.Feb 12, 2017 · N565AS · Boeing 737890SDR 2017F00025Warning System · activatedDURING CLIMB OUT CREW RECEIVED THE LT FUEL COMPUTER ANNUNCIATOR LIGHT. FOLLOWED BY A RED LOW OIL PRESSURE LIGHT. THE ENGINE WAS SHUT DOWN AND LANDED SAFELY.Feb 9, 2017 · N444WB · Lear 35ASDR ASAA2017020619722Unknown · malfunctionedREPEAT WRITE UP FROM LOG PAGE 11756555. LEFT FUEL GAUGE AND TOTALIZER BLANK OUT FOR A FEW SECONDS THEN COME BACK. RIGHT FUEL GAUGE AND TOTALIZER BLANKED OUT ONCE FOR A FEW SECONDS THEN RETURNED BACK TO NORMAL. GROUNDED - YES. REF AMM 28-41 TASK 801 FQIS BITE NFeb 6, 2017 · N594AS · Boeing 737890SDR ASAA2017020519691Indicator · malfunctionedMAIN TANK NR 1 AND FUEL TOTAL INDICATORS BLANKED OFF FOR APPROXIMATELY 3-5 SECONDS EVERY 20-30 MINUTES DURING LAST 4 HOURS OF FLIGHT. INDICATIONS ALWAYS RETURNED WITH CORRECT AMOUNTS. ACFT GROUNDED. COULD NOT DUPLICATE PROBLEM. PERFORMED OPS TEST OF FQIS IAW Feb 5, 2017 · N594AS · Boeing 737890SDR ASAA2017011819441Compensator · failedDURING ACCOMPLISHMENT OF N5-28FCD-18090-1 FQIS NR 2 TANK AND COMP UNITS TESTING, FOUND COMP UNIT F15 AND TANK UNITS F1, F3, F8, F9, AND F10 OUT OF LIMITS. GROUNDED. REMOVED AND REPLACED RIGHT MAIN TANK COMP PROBE AND TANK UNITS F1, F2, F3, F8, F10. IAW AMM 28-Jan 18, 2017 · N581AS · Boeing 737890SDR ASAA2017011819440Compensator · failedDURING ACCOMPLISHMENT OF NG-28FCD-18088-1, FQIS NO 1 TANK AND COMP UNITS TESTING FOUND COMP UNIT F15 AND TANK UNITS F1,F2, F6, F7, F8, F9,& F10 OUT OF LIMITS. GROUNDED. REMOVED AND REPLACED TANK 1 COMP PROBE F15 AND F1,F2, F6, F7, F8, F9 AND F10 TANK UNITS IAWJan 18, 2017 · N581AS · Boeing 737890SDR ASAA2017011619412Indicator · unknownFOUND CENTER TANK REFUEL QUANTITY INDICATOR GOES INTO SELF TEST, THEN READS QUANTITY & BACK TO TEST. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. TESTED CENTER REFUEL GAUGE IAW AMM 28-41-61. OPS NORMAL. NO FAULTS NOTED.Jan 16, 2017 · N594AS · Boeing 737890SDR ASAA2017011519367Probe · out of toleranceACCOMPLISHED NG-28FCD-18090-1, NR 2 FQIS COMPENSTATOR & TANK UNITS TEST. THE FOLLOWING PROBES ARE OUT OF TOLERANCE AND REQUIRE REPLACEMENT. COMP, F1, F2, F3, F8, F9, AND F10. GROUNDED - YES. REF MIG 2C'S AND ASA T/C 78528000 FOR RII AND SAFETY PRECAUTIONS. REMJan 15, 2017 · N579AS · Boeing 737890SDR ASAA2017011419372Compensator · failedWHILE ACCOMPLISHING TASK CARD NG 28FCD-18088-1 ON THE NR 1 MAIN TANK, FOUND THE COMPENSATOR PROBE (66.69PF),TU 1(65.80PF), TU 3(41.92PF) TU 6(38.80PF), TU 8 (38.36PF), TU 9 (34.14PF) AND TU 10 (42.21PF) OUT OF LIMITS PER AMM 28-41-21-710-801. GROUNDED - YES. RJan 14, 2017 · N570AS · Boeing 737890SDR ASAA2017011419371Compensator · failedFUEL GAGES READ NORMAL AT TAKE OFF BUT CLIMBING THROUGH 5000' FUEL IMBALANCE LIGHT ILLUMINATED - LEFT MAIN TANK INITIALLY READ 1400 LB LOWER THAN THE RIGHT MAIN. THEN LATER ESTABLISHED AT 1000 LB DIFFERENCE. GROUNDED - YES. REF MIG-2C'S AND TASKCARD 78528000 FJan 14, 2017 · N579AS · Boeing 737890SDR ASAA2017011419370Warning System · false activation1+40 INTO THE FLIGHT THE NR 2 AFT MAIN FUEL BOOST PUMP LOW PRESSURE LIGHT CAME ON. RUN QRH TALKED WITH DISPATCH AND MX CONTROL AND CONTINUED. GROUNDED - YES. PERFORMED FIM TASK 28-22-00-810-805 NR 2 AFT BOOST PUMP OPS NORMAL NO HISTORY 30 DAYS OK FOR FLIGHT.Jan 14, 2017 · N577AS · Boeing 737890SDR ASAA2017011419369Compensator · failedWHILE ACCOMPLISHING TASK CARD NG-28FCD-18090-1 ON THE NR 2 TANK, FOUND TU 4 (29.35PF), TU 5 (32.82PF), TU 6 (38.57PF), TU 8 (39.00PF) AND TU 9 (41.06PF) OUT OF LIMITS PER AMM 28-41-21-710-801. GROUNDED - YES. REMOVED AND REPLACED TANK UNITS F6R, F8R, F9R, F4R Jan 14, 2017 · N570AS · Boeing 737890SDR ASAA2017011319368Compensator · failedPER T/C NG-28FCD-18088-1 FQIS-NR 1 TANK AND COMPENSATOR UNIT TESTING. FOUND F9 (TANK UNIT OUT OF LIMITS). GROUNDED - YES. REMOVED AND REPLACED F9 TANK UNIT REF AMM 28-41-21. FQIS SYSTEM TEST PASSED AND NO FAULTS REF AMM 28-41-00. FUEL ACCESS PANELS CHECK NO LEJan 13, 2017 · N557AS · Boeing 737890SDR ASAA2017010619259Compensator · no testDURING ACCOMPLISHMENT OF TASK CARD NG-28FCD-18088-1. FOUND A TOTAL SEVEN BAD FUEL PROBES, F15, F1, F2, F3, F7, F8 AND F10. ACFT GROUNDED. NR 1 TANK IS SUMPED AND NR 1 BUSSING PLUG IS DISCONNECTED. REPLACED THE NR 1 TANK COMPENSATOR F15 AND PROBES F1, F2, Jan 6, 2017 · N563AS · Boeing 737890SDR ASAA2017010619258Probe · no testDURING ACCOMPLISHMENT OF TASK CARD NG-28FCD-18090-1. FUEL QTY INDICATION SYSTEM NR 2 TANK AND COMPENSATOR UNITS TESTING. FOUND SIX FUEL PROBES OUT OF TOLERANCE F1, F2, F3, F4, F6 AND F8. ACFT GROUNDED. 2 TANK IS SUMPED AND NR 2 BUSSING PLUG IS DISCONNECTEJan 6, 2017 · N563AS · Boeing 737890SDR ASAA2017010519257Probe · no testDURING ACCOMPLISHMENT OF NG-28FCD-18088-1, FQIS NR 1 TANK AND COMP UNITS TESTING, FOUND TU'S F4 AND F6 OUT OF LIMITS. ACFT GROUNDED. REMOVED AND REPLACED TANK 1 F4 AND F6 TANK UNIT PROBES IAW AMM 28-41-21-400-801. ACCOMPLISHED FQIS SYSTEM TEST IAW AMM 28-41Jan 5, 2017 · N560AS · Boeing 737890SDR ASAA2017010419244Probe · failedAT PUSHBACK, FUEL TANKS READ LEFT 8.5, RIGHT 8.6, CENTER 25.9. DURING CRUISE, MAIN TANKS SLOWLY DECREASED TO LEFT 7.93, RIGHT 8.17 BY THE TIME THE CENTER TANK REACHED ZERO. OUTSIDE TEMP -64C. FUEL TEMP GOT TO -30C. ACFT GROUNDED. ACCOMPLISHED TASK CARDS NG-Jan 4, 2017 · N563AS · Boeing 737890SDR ASAA2017010419243Probe · no testDURING ACCOMPLISHMENT OF NG-28FCD-18090-1, FQIS NR 2 TANK AND COMP UNITS TESTING FOUND TU F1,F2,F3, F8 AND F10 OUT OF LIMITS. ACFT GROUNDED. REMOVED TANK UNIT PROBES F1,F2, F3, F8, AND F10 IAW AMM 28-41-21-400-801. ACCOMPLISHED FQIS SYSTEM TEST IAW AMM 28-4Jan 4, 2017 · N560AS · Boeing 737890SDR FDEA201701040047Indication Sys · malfunctionedTRIM TANK ISOLATION VALVE NOT OPEN, ACCOMPANIED BY ALL X'S ON ECAM FUEL PAGE, TOTAL FUEL INDICATION, AND CG/GW INDICATIONS. ALSO,RT INNER AND RT OUTER INDICATIONS ON BACK-UP FUEL INDICATORS WERE BLANK. DIAGNOSED AS AN FQI FAULT. TRIPPED AND RESET CIRCUJan 4, 2017 · N686FE · Airbus A300F4605RSDR ASAA2017010319239Probe · malfunctionedWITH ALL SIX FUEL PUMPS ON, FUEL GAUGES DISPLAYED AMBER IMBALANCE ANNUNCIATION AND INDICATED 71000 LB IMBALANCE WITH THE RIGHT WING TANK (AMBER) LOWER THAN LEFT. FMC ALSO INDICATED SIGNIFICANTLY OVER BURN AT NEXT WAYPOINT. FAN FUEL IMBALANCE CHECKLIST WHICHJan 3, 2017 · N560AS · Boeing 737890SDR ASAA2016122819183Circuit Breaker · trippedCIRCUIT BREAKER P6-3 A-5 (FUEL QTY 2) TRIPPED. ACFT GROUNDED. FQIS BITE SHOWS TANK 2 ARINC OUTPUT BUSS FAILED. MAINTENANCE MESSAGE 28-41215. ACCOMPLISHED FIM 28-41 TASK 810. OPS CHECK NORMAL. C/B RESET IAW AMM 20-60-01.Dec 28, 2016 · N428AS · Boeing 737990ERSDR ASAA2016122719173Compensator · no testWHILE ACCOMPLISHING T/C NG-28FCD-18090-1, FOUND #2 MAIN TANK FUEL TANK TOTAL TANK CAPACITANCE AND COMPENSATOR CAPACITANCE OUT OF LIMITS. GROUNDED. MIG-2C INITIATED. REMOVED AND REPLACED #2 TANK COMPENSATOR PROBE AND TANK UNITS F1,F3,F8 AND F9 IAW B737-800 AMM Dec 27, 2016 · N583AS · Boeing 737890SDR AALA20161224006Processor · faultyCENTER FUEL TANK INDICATION ERRONEOUS. AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. FLIGHT DIVERTED, LANDING UNEVENTFUL. REMOVED AND REPLACED FUEL QUANTITY INDICATING SYSTEM PROCESSOR UNIT IAW AMM 28-41-08. OPERATIONAL CHECKED GOOD.Dec 24, 2016 · N344AN · Boeing 767323SDR ASAA2016122219161Indicator · failedFUELER REPORTED NR 1 TANK INDICATION FLUCTUATING AT WING. ACFT GROUNDED. FOUND NR 1 REFUEL PANEL FUEL QUANTITY INDICATOR BLANK. REMOVED AND REPLACED IAW AMM 28-41-61-000/400-801, OPS NORMAL.Dec 22, 2016 · N583AS · Boeing 737890SDR ASAA2016121819088Compensator · out of tolerancePERFORMED FQIS TANK AND COMPENSATOR UNITS TEST IN NR 1 MAIN TANK IAW NG-28FCD-18088-1. FOUND THE FOLLOWING PROBES OUT OF TOLERANCE: COMPENSATOR, F1, F2, F3, F7, F8, AND F10. GROUNDED - YES. COMPENSATOR AND TANK UNITS 1, 2, 3, 7, 8, AND 10 CHANGED AND TESTED IADec 18, 2016 · N558AS · Boeing 737890SDR AALA20161221005Control Unit · faultyRIGHT WING TANK OVERFLOW CAUTION LIGHT ILLUMINATED UPON LANDING. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED RIGHT WING JET PUMP IAW AMM 28-21-53, OVERFLOW SENSOR IAW 28-46-16 AND FUEL LEVEL SENSING CONTROL UNIT 2 IAW AMM 28-46-34. OPERATIONAL CHECK GOOD.Dec 17, 2016 · N9018E · Airbus A319115SDR AALA20161221004Sensor · faultyRIGHT WING TANK OVERFLOW CAUTION LIGHT ILLUMINATED UPON LANDING. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED RIGHT WING JET PUMP IAW AMM 28-21-53, OVERFLOW SENSOR IAW 28-46-16 AND FUEL LEVEL SENSING CONTROL UNIT 2 IAW AMM 28-46-34. OPERATIONAL CHECK GOOD.Dec 17, 2016 · N9018E · Airbus A319115SDR AALA20161217003Warning Message · false activationLANDED WITHOUT INCIDENT. DURING CLIMB OUT FUEL IMBALANCE LIGHT ILLUMINATED. TANKS WERE BALANCED. EMERGENCY DECLARED. AND DIVERTED. ACCOMPLISHED FUEL IMBALANCE CHECK IAW AMM 05-51-48 WITHIN LIMITS. PERFORMED FQIS BITE CHECK IAW FIM 28-41-00 NO FAULTS. PERFODec 17, 2016 · N958NN · Boeing 737823SDR ASAA2016121619064Probe · failedNR 2 TANK FUEL PROBES F2, F7, F8, F9 &F10 OUT OF LIMITS IAW AMM 28-41-21. ACFT GROUNDED. REPLACED THE FUEL PROBES IAW AMM 28-41-21. FQIS SYSTEM TEST NORMAL IAW AMM 28-41-00-730-801.Dec 16, 2016 · N568AS · Boeing 737890SDR ASAA2016121619063Probe · failedNR 1 TANK FUEL PROBES F6, F7, & F8 OUT OF LIMITS IAW AMM 28-41-21. ACFT GROUNDED. REPLACED THE FUEL PROBES IAW AMM 28-41-21 . FQIS SYSTEM TEST NORMAL,Dec 16, 2016 · N568AS · Boeing 737890SDR SIMA20161216001Tank Unit · failedIMMEDIATELY AFTER TAKE OFF, RECEIVED A FUEL IMBALANCE. TANK 1 INDICATION DROPPED APROX. 900 LBS. BOTH QUANTITY INDICATIONS WERE ERRATIC AND BECAME UNRELIABLE. DECLARED EMERGENCY AND RETURNED TO DEPARTURE. REMOVED AND REPLACED FUEL T/U NR 2 ON LT SIDE AND FUEDec 16, 2016 · N818AE · Emb EMB135KLSDR ASAA2016121519062Check Valve · failedNR 1 WING FUEL GAUGE INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 WING REFUEL PANEL GAUGE, OP CHECKED GOOD IAW AMM 28-41-61.Dec 15, 2016 · N565AS · Boeing 737890SDR ASAA2016121519061Warning Light · illuminatedAFTER TAKE OFF, RECEIVED A FUEL IMBALANCE ALERT. CENTER PUMPS WERE ON AND MAIN TANKS WERE BALANCED PRIOR TO TAKEOFF. QUANITY CONTINUED TO DECREASE THEN STABILIZED. ACFT GROUNDED. ACCOMPLISHED OPERATIONAL AND FUNCTIONAL TEST OF CROSSFEED VALVE. OPS CHECKED ODec 15, 2016 · N568AS · Boeing 737890SDR AALA20161211004Compensator · faultyAIRCRAFT WAS GROUNDED. AIR INTERRUPT, MIA-LAX. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT OVERWEIGHT. DURING CRUISE THE LEFT FUEL TANK FAILED TO FEED. CREW WAS UNABLE TO BALANCE FUEL. MAINTENANCE ACCOMPLISHED FIM 28-41108. REMOVED AND REPLACED LEFT FUEL Dec 11, 2016 · N970AN · Boeing 737823SDR HALA2016121100531Unknown · malfunctionedAFTER 1:30 OF FLIGHT FUEL IMBALANCE WAS 2600LBS. LEFT TANK LOW. AT NEXT FUEL SCORE 35 MIN LATER AFTER BALANCING FUEL. REMAINING FUEL WAS DOWN FROM 1100LBS TO 300LBS/800 TOTAL. AFTER BALANCING FUEL TANK AGAIN, LOST 700LBS OF FUEL AGAIN ON TOTALIZER - LOST TOTALDec 11, 2016 · N583HA · Boeing 76733ASDR 2016F00241Signal Cond Unit · failedON CLIMB OUT AT APPROX. 1000FT FUEL QTY GAUGES BLANKED OUT AND STARTED BEHAVING ERRATICALLY WITH QUANTITY DISPLAYING BETWEEN EMPTY AND FULL. PILOT ELECTED TO DIVERT TO A MAINTENANCE FACILITY AND MADE AN UNEVENTFUL LANDING. TROUBLESHOOTING REVEALED THE FUEL QTYDec 9, 2016 · N715JS · Cessna 525ASDR ASAA2016120919060Compensator · failedWHILE ACCOMPLISHING T/C NG-28FCD-18090-1, FQIS NR 2 TANK AND COMPENSATOR UNITS TESTING, FOUND FUEL PROBES NR 1, 2, 3, 8, 9, AND 10 OUT OF LIMITS. ACFT GROUNDED. FOUND OUT OF TOLERANCE DURING RE-TESTING OF NR 2 FQIS. FOUND #2 TANK COMP PROBE F15 OUT OF TOLERADec 9, 2016 · N558AS · Boeing 737890SDR AALA201612089006Sensor · defectiveDURING APPROACH, ECAM MESSAGE FOR FUEL LEFT WING TANK OVERFLOW COMPLIED WITH ECAM PROCEDURE AND NOTIFIED MOC ON THE GROUND. THE AIRCRAFT WAS GROUNDED. REPLACED LEFT WING SURGE TANK OVERFLOW SENSOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 28-Dec 7, 2016 · N581UW · Airbus A321231SDR ASAA2016120518944Compensator · out of limitsNR 2 MAIN FUEL TANK FAILS COMPENSATOR AND TANK UNIT TEST IAW AMM 28-41-21-710-801. ACFT GROUNDED. REPLACED COMPENSATOR PROBE F15R & TANK UNITS F1R, F2R, F3R, F8R, F9R, F10R, & F11R, IAW AMM 28-41-21. FQIS OPS NORMAL IAW AMM 28-41-00. DRY COMPENSATOR READING 5Dec 5, 2016 · N557AS · Boeing 737890SDR AALA201612069014Computer · failedTHE NR 1 AND 2 CENTER FUEL TANK BOOST PUMP FAILURES. AIRCRAFT WAS GROUNDED. AIRCRAFT RETURNED TO DEPARTURE AND DECLARED AN EMERGENCY. MAINTENANCE REPLACED THE PUMPS GFI 69QA, AND 70QA ALONG WITH THE FUEL QUANTITY INDICATION COMPUTER IAW ESPM 20-46-50-101, ADec 5, 2016 · N659AW · Airbus A320232SDR ASAA2016120418929Indicator · failedNR 2 TANK REFUEL PANEL QUANTITY INDICATOR INOPERATIVE. ACFT GROUNDED. CONFIRMED. REPLACED THE NR 2 REFUEL INDICATOR IAW AMM 28-41-61.Dec 4, 2016 · N559AS · Boeing 737890SDR FDEA201612014298Computer · failedDURING CRUISE, ALL XX'S ON FUEL PAGE AND TRIM TK AFT TRANSFER NOT AVAILABLE. 1 HOUR LATER THE FUEL PG RETURNED TO NORMAL. INSTALLED A NEW FUEL QUANITY COMPUTER. CHECKED GOOD IAW MM 28-42-38-04. OK FOR SERVICE.Dec 1, 2016 · N665FE · Airbus A300F4605RSDR ASAA2016112818893Probe · out of toleranceNR 2 WING GAUGE WENT FROM 8510 LBS AND STARTED FLASHING 8900 LBS. ACFT GROUNDED. REPLACED COMP PROBE, TANK UNITS F1, F9 AND F10, IAW AMM TASK 28-41-21-000/400-801. SYSTEM TESTED GOOD. COMP 57.81 PICO FARADS, TU TOTAL 395.8 PICO FARADS. COMPARISON CHECKED GONov 28, 2016 · N594AS · Boeing 737890SDR ASAA2016112718846Compensator · out of toleranceAPPROXIMATELY TWO HOURS INTO THE FLIGHT, FUEL BURN WAS 200 LBS ABOVE FLIGHT PLAN. APPROXIMATELY ONE HOUR LATER, WENT FROM 200 UNDERBURN TO 1200 LBS OVERBURN. THE ONLY THING THAT CHANGED DURING THAT HOUR WAS THE CENTER TANKS RAN DRY. FUEL BURN WAS STABLE BEFORENov 27, 2016 · N596AS · Boeing 737890SDR ASAA2016112718847Control Unit · out of toleranceNR 1 MAIN TANK FUEL QTY FAILS SYSTEM TEST, IAW AMM TASK 28-410-00-730-801. ACFT GROUNDED. REPLACED NR 1 TANK UNITS F1, F3, F4, F7, F8, F9, F10 IAW AMM 28-41-21-400-801. FQIS TEST GOOD, NR 1 DRY COMP = 58.00 NR 1 TANK UNITS = 395.7 IAW AMM 28-41-00-730-801.Nov 27, 2016 · N557AS · Boeing 737890
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