# Service difficulty reports: N590AS

A list on [N590AS](https://openairdocs.org/aircraft/N590AS.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 9 · 440 reports

- [SDR ASAA2025111162280](https://openairdocs.org/sdr/ASAA2025111162280.md): Guide Arm · out of adjust · Nov 11, 2025 · N590AS · Boeing 737890 · Passenger/Crew Doors
  > L1 DOOR WILL NOT CLOSE. GROUNDED - YES. FOUND GUIDE ARM OUT OF ADJUSTMENT. ADJUSTED GUIDE ARM. UPPER FWD CRANK FOUND CONTACTING RECEIVER REF LOG PAGE 61181938 FOR GOUGED CRANK. CLEARANCE CHECK GOOD AND OPS CHECK GOOD. REF AMM 52-11-00-820-801.
- [SDR ASAA2025061458741](https://openairdocs.org/sdr/ASAA2025061458741.md): Power Supply · inoperative · Jun 14, 2025 · N590AS · Boeing 737890 · Emergency Lighting
  > WHILE ACCOMPLISHING T/C 78233001 FOUND L-2 DOOR INTERIOR AND EXTERIOR LIGHTS FIALED BOTH BATTERY LIFE TESTS. GROUNDED - YES. REMOVED AND REPLACED M1673 EMERGANC LIGHT BATTERY PACK REF 33-51-06-960-805. NO OTHER DISCREPANCIES NOTED.
- [SDR ASAA2024112854179](https://openairdocs.org/sdr/ASAA2024112854179.md): Sign · detached · Nov 28, 2024 · N590AS · Boeing 737890 · Emergency Lighting
  > FORWARD GALLEY EXIT SIGN PANEL RIGHT SIDE LOOSE AND HANGS DOWN (NOT SECURE) CAUSING FLIGHT DECK DOOR TO COME INTO CONTACT WITH IT REPORT FA. GROUNDED - YES. PERFORMED GVI AND FOUND ONE OF TWO SCREWS WHICH HOLD EXIT SIGN PANEL IS LOOSE. SECURED AND TORQUED THE
- [SDR ASAA2024061550366](https://openairdocs.org/sdr/ASAA2024061550366.md): Door · out of adjust · Jun 15, 2024 · N590AS · Boeing 737890 · Service Doors
  > R1 DOOR DOES NOT SEAT PROPERLY EXTREMELY HARD TO CLOSE. GROUNDED - YES. TRANSFERRED TO AAR MIG-5 S/N OK377078.
- [SDR ASAA2024051250248](https://openairdocs.org/sdr/ASAA2024051250248.md): Bushing · worn · May 12, 2024 · N590AS · Boeing 737890 · Trailing Edge Flaps
  > L/H WING FIXED TRAILING EDGE FLAP TRACK ROLLER GUIDE UPPER SIDE HAS WORN FASTENER BUSHINGS (MARKED). GROUNDED - YES. REPAIRED L/H WING TRAILING EDGE FLAP TRACK ROLLER GUIDE UPPER SIDE / DEFLECTION CONTROL RIB UPPER TAB IAW B737-800 SRM 57-51-02-2R-4.
- [SDR ASAA2024050949964](https://openairdocs.org/sdr/ASAA2024050949964.md): Baffle · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > L/H BAFFLE 500C TO 500D HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED L/H BAFFLE 500C TO 500D IAW B737-800 SRM 51-40-02-0G-0W =.75" O=.020" R=.015" L=1" D=.005".
- [SDR ASAA2024050949963](https://openairdocs.org/sdr/ASAA2024050949963.md): Floor Support · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT WET AREA FLOOR SUPPORT RBL 45 STA 990 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE WITH SURFACE BLEND FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G-0W 1 O.050 R.032 L 1 D.018.
- [SDR ASAA2024050949962](https://openairdocs.org/sdr/ASAA2024050949962.md): Floor Support · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT WET AREA FLOOR SUPPORT RBL 40 STA 996 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE WITH SURFACE BLEND FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED SUPPORT IAW B737-800 SRM 51-40-02-0G-0W 1 O.050 R.028 L 1 D.022.
- [SDR ASAA2024050949961](https://openairdocs.org/sdr/ASAA2024050949961.md): Floorbeam · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Main, Floor Beam
  > AFT WET AREA STA 986 FLOOR BEAM HAS AREAS OF CORROSION RBL 5 TO RBL 60. GROUNDED - YES. REMOVED DAMAGE WITH SURFACE BLEND FOUND TO BE OUT OF LIMITS REPAIRED STA 986 FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-4W 1 O.150 R.090 L 1 D.060.
- [SDR ASAA2024050949941](https://openairdocs.org/sdr/ASAA2024050949941.md): Baffle · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > L/H BAFFLE 500C TO 500D HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED L/H BAFFLE 500C TO 500D IAW B737-800 SRM 51-40-02-0G-0
- [SDR ASAA2024050949926](https://openairdocs.org/sdr/ASAA2024050949926.md): Floorbeam · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Main, Floor Beam
  > AFT WET AREA STA 947 FLOOR BEAM HAS SPOTS OF CORROSION RBL 5 TO LBL 5. GROUNDED - YES. REMOVED CORROSION FROM 947 FLOOR BEAM FROM RBL 5 TO LBL 25 DETERMINED TO BE OUT OF LIMITS IAW BOEING 737-800 SRM 53-70-51-1A-1 REPAIRS MADE IAW BOEING 737-800 SRM 53-70-51-2
- [SDR ASAA2024050949925](https://openairdocs.org/sdr/ASAA2024050949925.md): Floorbeam · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Main, Floor Beam
  > AFT WET AREA FLOOR SUPPORT STA 950 LBL 25 TO LBL 45 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1, REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02W= 1.0" O=.080 R=.068 L= 2.0" D=.012.
- [SDR ASAA2024050949924](https://openairdocs.org/sdr/ASAA2024050949924.md): Floorbeam · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Main, Floor Beam
  > AFT WET AREA STA 986 FLOOR BEAM HAS AREAS OF CORROSION LBL18 TO LBL 60. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REPAIRED DAMAGE IAW B737-800 SRM 53-70-51-2R-6W= 2 O=.150 R=.028 L= 1.5 D=.122.
- [SDR ASAA2024050949920](https://openairdocs.org/sdr/ASAA2024050949920.md): Floor Support · corroded · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT WET AREA FLOOR SUPPORT STA 947 TO 967 RBL 50 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED PART FLOOR SUPPORT IAW B737-900 SRM 51-40-02W= 2.0" O=.080 R=.040 L= 2.0" D=.040.
- [SDR ASAA2024050949667](https://openairdocs.org/sdr/ASAA2024050949667.md): Floor Support · cracked · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD WET AREA INTERCOSTL CRACKED RBL 40 STA 312 TO 328. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02-0G-0, 51-40-05-0G-0.
- [SDR ASAA2024050949666](https://openairdocs.org/sdr/ASAA2024050949666.md): Floor Support · cracked · May 9, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD WET AREA INTERCOSTAL CRACKED LBL 34 STA 312 TO 328. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02-0G-0, 51-40-05-0G-0.
- [SDR ASAA2024050949665](https://openairdocs.org/sdr/ASAA2024050949665.md): Support Angle · corroded · May 9, 2024 · N590AS · Boeing 737890 · Service Doors
  > FWD WET AREA R1 DOOR SCUFF PLATE SUPPORT STRUCTURE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED AND REPLACED R1 SCUFF PLATE CENTER SUPPORT IAW BOEING 737-800 SRM 51-40-02-0G-0W-.75 O-.090 R-.071 L-2" D-.019.
- [SDR ASAA2024050850065](https://openairdocs.org/sdr/ASAA2024050850065.md): Seat Track · damaged · May 8, 2024 · N590AS · Boeing 737890 · Fuselage, Seat/Cargo Attach Fittings
  > FLOOR SUPPORT TRACFK LBL 19 AT STA 500 DAMAGED. GROUNDED - YES. FLOOR SUPPORT TRACK LBL 19 AT STA 500 REPAIRED IAW B737-800 SRM 53-00-53-2R-3.
- [SDR ASAA2024050850048](https://openairdocs.org/sdr/ASAA2024050850048.md): Floor Support · damaged · May 8, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT LBL 19 AT STA 500 DAMAGED GROUNDED - YES. FLOOR SUPPORT LBL 19 AT STA 500 REPAIRED IAW B737-B00 SRM 53-00-53-2R-3
- [SDR ASAA2024050849942](https://openairdocs.org/sdr/ASAA2024050849942.md): Plate · corroded · May 8, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > R/H TRANSITION PANEL STA 500A TO 500I IS CORRODED. GROUNDED - YES. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW 737-800 SRM 53-00-53-1A-2 REPAIRED TRANSITION IAW 737-800 SRM 53-00-53-2R-6 W=1" O=.040" R=.029" L=60" D=.011".
- [SDR ASAA2024050849922](https://openairdocs.org/sdr/ASAA2024050849922.md): Transition Panel · corroded · May 8, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > L/H TRANSITION PANEL STA 500A TO 500I CORRODED. GROUNDED - YES. REMOVED CORROSION AND 18 OUT OF LIMITSIAW 737-800 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW 737-800 SRM 53-00-53-2R-6W= 1" O=.040" R=.029";= 70" D=.011".
- [SDR ASAA2024050849921](https://openairdocs.org/sdr/ASAA2024050849921.md): Support Angle · corroded · May 8, 2024 · N590AS · Boeing 737890 · Fuselage Main, Bulkhead
  > BULKHEAD SUPPORT ANGLE CENTER STA 500I IS CORRODED. GROUNDED - YES. REMOVED CORROSION FOUND OUT OF LIMITS IAW B737-800 53-30-08-1A-1 & REPLACED BULKHEAD SUPPORT ANGLE CENTER STA 500I IAW B737-800 SRM 51-40-02-0G-0W= 2" O=.071" R=.044" L= 40" D=.027".
- [SDR ASAA2024050849756](https://openairdocs.org/sdr/ASAA2024050849756.md): Sidewall Support · corroded · May 8, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > SIIDEWALL SUPPORT RBL23, STA 500D UPPER AND LOWER SUPPORTS CORRODED. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 536-00-07, REMOVED & REPLACED P/N# 143A94054227 TAG# AS58358 SUPPORT IAW B737-800 SRM 51-40-02W=1.5" O=.050 R=.041 L
- [SDR ASAA2024050750070](https://openairdocs.org/sdr/ASAA2024050750070.md): Cargo Track · cracked · May 7, 2024 · N590AS · Boeing 737890 · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO R/H TRACK IS CRACKED AT STA 737J. GROUNDED - YES. REPAIRED R/H CARGO TRACK IAW B737-800 SRM 53-00-53-2R-3.
- [SDR ASAA2024050749919](https://openairdocs.org/sdr/ASAA2024050749919.md): Cargo Track · corroded · May 7, 2024 · N590AS · Boeing 737890 · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO R/H TRACK HAS AREAS OF CORROSION 787 TO 827. GROUNDED - YES. REMOVED CORROSION FOUND OUT LIMITS IAW B737-800 SRM 53-00-53-1A-2 & TRACK IAW B737-800 SRM 51-40-02-0G-0W= 1" O=.063" R=.033" L= 4" D=.030".
- [SDR ASAA2024050749757](https://openairdocs.org/sdr/ASAA2024050749757.md): Channel · corroded · May 7, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO L/H TRANSITION HAS AREAS OF CORROSION FROM STA 737B TO STA 787. GROUNDED - YES. REMOVED CORROSION FOUND OUT LIMITS IAW B737-800 SRM 53-00-53-1A-2 & REPAIRED TRANSITION IAW B737-800 SRM 5300-53-2R-5W=1" O=.040" R=0" L=130" D=.040".
- [SDR ASAA2024050749755](https://openairdocs.org/sdr/ASAA2024050749755.md): Transition Panel · corroded · May 7, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO R/H TRANSITION HAS AREAS OF CORROSION FROM STA 727B TO STA 767. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMITS IAW 737/800 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW 737-800 SRM 53-00-53-2R-5W=1" O=.040 R=.027" L=120" D=.013".
- [SDR ASAA2024050749754](https://openairdocs.org/sdr/ASAA2024050749754.md): Sidewall Support · corroded · May 7, 2024 · N590AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO SIDEWALL SUPPORT AT STA 727D LBL 30 TO LBL 35 HAS CORROSION. GROUNDED - YES. REMOVED & REPLACED SIDEWALL SUPPORT STA 727D LEFT SIDE IAW B737-800 SRM 51-40-02-0G-0W=1.0" O=.063" R=.052" L=2.5" D=.011".
- [SDR ASAA2023102645853](https://openairdocs.org/sdr/ASAA2023102645853.md): Unknown · unknown · Oct 26, 2023 · N590AS · Boeing 737890 · Cabin Cooling System
  > RH PACK LIGHT ILLUMINATES ON RECALL. RESETS W/ MC. GROUNDED - YES. (RESOLVED ON W/O: 1975207 TASKCARD: N/R-00001) INITIAL EVALUATION, NO PACK LT LH/RH ON MASTER RECALL. PZTC BITE IAW FIM 21-62 TASK 801. #2 CONTROLLER FOR RH PACK, NO FAULTS. #1 PZTC HAD CONTRO
- [SDR ASAA2023101545693](https://openairdocs.org/sdr/ASAA2023101545693.md): Unknown · unknown · Oct 15, 2023 · N590AS · Boeing 737890 · Fuel Controlling System
  > #2 ENGINE BURNS 100 PPH MORE THAN #1 & RUNS 30+ DEGREES HOTTER @ ALL CRUISE ALTITUDES AND SPEEDS. GROUNDED - YES. PERFORMED EEC BITE PROCEDURE PER B737-800 AMM TASK 73-21-00, NO FAULTS FOUND ON EITHER ENGINE. ALL ENGINE PARAMETERS ARE WITHIN ENGINE OPERATION L
- [SDR ASAA2023092245252](https://openairdocs.org/sdr/ASAA2023092245252.md): Unknown · unknown · Sep 22, 2023 · N590AS · Boeing 737890 · Engine Cooling System
  > #2 ENGINE DRIPPING FUEL. OPENED #2 FAN COWL PER B737-800 AMM 71-11-02. INSPECTED ENGINE DRAINS. FOUND HPTACC VALVE DRIPPING.DURING IDLE ENGINE RUN, #2 ENGINE HPTACC VALVE LEAK RATE IS 3 DPM. DEFERRED PER AMM 71-71-00-200-801-F00. REPAIR REQUIRED WITHIN 25 FLIG
- [SDR ASAA2023092045218](https://openairdocs.org/sdr/ASAA2023092045218.md): Unknown · unknown · Sep 20, 2023 · N590AS · Boeing 737890 · Aircraft Fuel Distribution System
  > ON TAKEFOFF, BOTH LEFT & RIGHT MAIN (FORWARD) TANK FUEL PUMPS FLICKERED LOW PRESSURE LIGHTS ON/OFF. GROUNDED - YES. PERFORMED FUEL OPERATION TEST PER TASK 28-22-41 OPS CK GOOD REF STEVE NOTFD.
- [SDR ASAA2023091545157](https://openairdocs.org/sdr/ASAA2023091545157.md): Unknown · unknown · Sep 15, 2023 · N590AS · Boeing 737890 · Aircraft Fuel Distribution System
  > L CENTER TANK FUEL PUMP INOP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091245109](https://openairdocs.org/sdr/ASAA2023091245109.md): Unknown · unknown · Sep 12, 2023 · N590AS · Boeing 737890 · Fuel Indicating System
  > LEFT CENTER TANK LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT, BOTH CLIMB AND CRUISE, WHEN TURNED ON WITH APPROX. 1100LBS IN CENTER TANK. GROUNDED - YES. (RESOLVED ON W/O: 1968939 TASKCARD: N/R-00002) REVERSED CONFIG CHANGES OF MEL 28-2E, PERFORMED FIM 28-22 TASK
- [SDR ASAA2023091045063](https://openairdocs.org/sdr/ASAA2023091045063.md): Unknown · unknown · Sep 10, 2023 · N590AS · Boeing 737890 · Autopilot System
  > INFO: APPROACH WARN MESSAGE BELOW 30' RA. GROUNDED - YES. PERFORMED HGSOPS TEST AND LAND VERIFY TEST PER AMM TASK 22-11-00-700-801 & HGS AMM 34-36-00. ALL LLM TESTS PASS. NO FAULTS FOUND. REF LP 60520699 FOR APPROACH SURVEY.
- [SDR ASAA2023082944857](https://openairdocs.org/sdr/ASAA2023082944857.md): Blade · failed insp · Aug 29, 2023 · N590AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > #2 ENGINE #22 FAN BLADE FAILED ULTRASONIC INSP. GROUNDED - YES. INSTALLED NEW FAN BLADES AT 2 POSITIONS 22 AND 10 IAW T/C 78472010.
- [SDR ASAA2023082544804](https://openairdocs.org/sdr/ASAA2023082544804.md): Magnetic Plug · stuck · Aug 25, 2023 · N590AS · Boeing 737890 · Engine Starting System
  > DURING ACCOMPLISHMENT OF T/C N2480001 RIGHT STARTER MAGNETIC CHIP DETECTOR INSPECTION WAS UNABLE TO REMOVE MAGNETIC PLUG FROM HOUSING. GROUNDED - YES. REMOVED AND REPLACED STARTER MAGNETIC PLUG HOUSING ON R/H ENGINE PER AMM 80-11-01. SERVICED STARTER WITH OIL
- [SDR ASAA2023071744108](https://openairdocs.org/sdr/ASAA2023071744108.md): Unknown · unknown · Jul 17, 2023 · N590AS · Boeing 737890 · Fuel Boost Pump
  > RIGHT TANK FWD FUEL PUMP ILLUMINATED LOW PRESSURE 45 MIN INTO FLIGHT AT FL380 WITH AROUND 7000LBS OF FUEL IN THE TANK. FLIGHT CONDITIONS WERE SMOOTH AIR. FOLLOWED QRH WHICH LED TO TURNING OFF THE FORWARD PUMP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023071444046](https://openairdocs.org/sdr/ASAA2023071444046.md): Unknown · unknown · Jul 14, 2023 · N590AS · Boeing 737890 · Flight Management Computing Hardware System
  > CAPTAIN MCDU INTMT KEY SELECTION. GROUNDED - YES. RESET CAPT'S MCDU=NO HISTORY CAPT'S FMC MCDU KEY SELECTION OPS NORMAL REF AMM 34-61-00.
- [SDR ASAA2023070443872](https://openairdocs.org/sdr/ASAA2023070443872.md): Bulb · inoperative · Jul 4, 2023 · N590AS · Boeing 737890 · Emergency Lighting
  > R2 DOOR EMERGENCY LIGHT OUT. GROUNDED - YES. REPLACED R2 EMER LIGHT (EXTERIOR) BULB. OPS CHECK GOOD. REF B737-800 AMM 33-51-04.
- [SDR ASAA2023070343868](https://openairdocs.org/sdr/ASAA2023070343868.md): Unknown · unknown · Jul 3, 2023 · N590AS · Boeing 737890 · Fuel Indicating System
  > #2 TANK @ REFUEL PANEL DOESN'T SHOW THE 2 ON INDICATOR. GROUNDED - YES. CYCLED REFUEL PANEL PWR. NORM INDICATION RESTORED, OPS OK.
- [SDR ASAA2023061943635](https://openairdocs.org/sdr/ASAA2023061943635.md): Filter · dirty · Jun 19, 2023 · N590AS · Boeing 737890 · Air Distribution System
  > CABIN AIR QUALITY REPORT: AT TIME OF SERVICE APPROX 2045 FA'S B,C,D REPORTED DISCOMFORT IN EYE AND THROAT WITH AMMONIA SMELL AROUND ROW 29 BACK TO THE GALLEY * REPORT ATTACHED. GROUNDED - YES. PERFORMED B737-800 FIM TASK 05-51 TASK 814 AND FOUND RH RECIRCULATI
- [SDR ASAA2023061543596](https://openairdocs.org/sdr/ASAA2023061543596.md): Fmc · failed · Jun 15, 2023 · N590AS · Boeing 737890 · Flight Management Computing Hardware System
  > DUAL FMC FAILURE WITH VTK DISPLAYED, ALT LIMIT BOTH FMC MENU PAGES DISPLAYED WITH OUT FMC OPTION, CWS R DISPLAYED FMC CAME BACK 30-60 SECONDS LATER SECOND WRITE UP PREVIOUS ON 6-14. UPON LANDING IN SAN PFD SHOWED FIELD ELEVATION OF THE DEPARTURE AIRPORT GEG 2
- [SDR ASAA2023061443582](https://openairdocs.org/sdr/ASAA2023061443582.md): Unknown · unknown · Jun 14, 2023 · N590AS · Boeing 737890 · Navigation System
  > FMC DISAGREE - VERTICAL ON BOTH CDU SCRATCH PADS. FLASHED 3 TIMES ON DESCENT. WENT AWAY BEFORE LANDING. GROUNDED - YES. PERFORMED FMC SYSTEM OPS CHECK NO FAULTS IAW B737-800 AMM 34-61-00-710-801.
- [SDR ASAA2023050143081](https://openairdocs.org/sdr/ASAA2023050143081.md): Modulating Valve · faulty · May 1, 2023 · N590AS · Boeing 737890 · Cabin Temperature Control System
  > DURING MASTER CAUTOIN RECALL CONT CABIN ZONE TEMP LIGHT ILLUMINATES CONTROL CABIN ZONE TEMP LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED THE FLIGHT DECK TRIM VALVE GROUND VERIFICATION PASS REF B737-800 AMM 21-62-21-000/400
- [SDR ASAA2023040442713](https://openairdocs.org/sdr/ASAA2023040442713.md): Light · inoperative · Apr 4, 2023 · N590AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY EXIT LIGHT HOUSING BROKEN AND BULB BURNT OUT NEAR L1 DOOR, BELOW + TO THE LEFT OF THE FA FWD JUMPSEAT. GROUNDED - YES. REMOVED & REPLACED FWD THRESHOLD LIGHT ASSY IAW B737-800 AMM 33-29-00 & B737-800 WDM 33-29-11-11.
- [SDR ASAA2023031642396](https://openairdocs.org/sdr/ASAA2023031642396.md): Actuator · faulty · Mar 16, 2023 · N590AS · Boeing 737890 · Cabin Pressure Control System
  > LEFT HAND PACK ON RECALL. GROUNDED - YES. REMOVED AND REPLACED LH RAM AIR INLET ACTUATOR REF B737-800 AMM 21-51-21.
- [SDR ASAA2023031242360](https://openairdocs.org/sdr/ASAA2023031242360.md): Unknown · unknown · Mar 12, 2023 · N590AS · Boeing 737890 · Cabin Cooling System
  > LEFT PACK ILLUMINATES ON RECALL. EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. REF B737-800 FIM 21-62 TASK 801, PZTC BITE SHOWS RAM AIR ACTUATOR FAULT. WHILE OBSERVING THE INLET PANELS CYCLE FOUND THE FWD MODULATING PANEL TO AFT MODULATING PANEL HIN
- [SDR ASAA2023031242297](https://openairdocs.org/sdr/ASAA2023031242297.md): Unknown · unknown · Mar 12, 2023 · N590AS · Boeing 737890 · Cabin Cooling System
  > LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL AT TOP OF DESCENT. LIGHT DOES AWAY WHEN RESET. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. RAM AIR LIGHT ILLUMINATES UPON BITE TEST AND PREVIOUS LEG ON NO.1 PACK/ZON
- [SDR ASAA2023030742245](https://openairdocs.org/sdr/ASAA2023030742245.md): Unknown · unknown · Mar 7, 2023 · N590AS · Boeing 737890 · Autopilot System
  > INNER HEADING KNOB LOOSE. GROUNDED - YES. RE-SECURED MODE CONTROL PANEL HEADING KNOB AS REQUIRED IAW B737-800 AMM 22-11-34,

Next page: https://openairdocs.org/aircraft/N590AS/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = 'N590AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N590AS/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.