# Service difficulty reports: N559AS

A list on [N559AS](https://openairdocs.org/aircraft/N559AS.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 11 · 540 reports

- [SDR ASAA2026080667834](https://openairdocs.org/sdr/ASAA2026080667834.md): Lamp · inoperative · Aug 6, 2026 · N559AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY AISLE LIGHT AT SEAT ROW 26ABC INOP. GROUNDED - YES. RELAMPED AISLE LIGHT AT SEAT ROW 26ABC AS REQ. OPS NORMAL.
- [SDR ASAA2026080667833](https://openairdocs.org/sdr/ASAA2026080667833.md): Battery Pack · no test · Aug 6, 2026 · N559AS · Boeing 737890 · Emergency Lighting
  > WHILE PERFORMING T/C 78233001 FOUND BATTERY PACK M1673 FAILING CAPACITANCE CHECK. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1673 REF SMM 33-51-14-103 AND AMM 33-51-06. INSTALL TEST OK.
- [SDR ASAA2026032665341](https://openairdocs.org/sdr/ASAA2026032665341.md): Bushing · corroded · Mar 26, 2026 · N559AS · Boeing 737890 · Trailing Edge Flaps
  > RT INBD FLAP INBD CARRIAGE TORQUE TUBE BUSHINGS (INBD AND O/B) ARE PITTED. STICKER 76-010. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED I/B AND O/B BUSHINGS ON RH I/B FLAP I/B CARRIAGE PN 113A2800-6 SN AK00559 IAW BOEING CMM 27-55-71 REPAIR 3-1 AND REPAIR 4-
- [SDR ASAA2026032165443](https://openairdocs.org/sdr/ASAA2026032165443.md): Bracket · worn · Mar 21, 2026 · N559AS · Boeing 737890 · Service Doors
  > ECS HIGH PRESSURE DOOR 192DR. O/B STRIKER PLATE BY PNEUMATIC CONNECTION BRACKET)WORN/LOOSE MATERIAL. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A MAJOR REPAIR AT ECS DOOR 192DR LANDING. CHORD P/N 111A7202-8 AT STA 538-550 RBL 40.875 IAW B737-800 SRM 57-10
- [SDR ASAA2025120662879](https://openairdocs.org/sdr/ASAA2025120662879.md): Power Supply · inoperative · Dec 6, 2025 · N559AS · Boeing 737890 · Emergency Lighting
  > WHILE PERFORMING T/C 78233008 EMERGENCY LIGHT-OPS CHECK FOUND LH & RH EXIT INDICATOR SIGNS INOP. GROUNDED - YES. DURING WIRING T/S, FOUND BOTH SIDE O/W DOOR TRIM HTR WIRE CONNECTED WITH BOTH SIDE FWD O/W EXIT IND LT(D12068-D12704, D12072-D12706, D12064-D12680,
- [SDR ASAA2025110762181](https://openairdocs.org/sdr/ASAA2025110762181.md): Door · out of adjust · Nov 7, 2025 · N559AS · Boeing 737890 · Passenger/Crew Doors
  > L1 DOOR HARD TO CLOSE. GROUNDED - YES. PERFORMED L1 DOOR ADJUSTMENT IAW AMM 52-11-00-820-801. L1 DOOR OPS CHECK GOOD IN REF TO AMM 52-11-00-700-804. NO FURTHER DEFECTS NOTED.
- [SDR ASAA2025062259413](https://openairdocs.org/sdr/ASAA2025062259413.md): Attach Bracket · cracked · Jun 22, 2025 · N559AS · Boeing 737890 · Fuselage Main, Attach Fittings
  > FWD CARGO COMPT, LT TRANSITION BAFFLE ATTACH BRACKET CRACKED STA 500H. GROUNDED - YES. EVALUATED CLIP & FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS GIVEN. REMOVED DAMAGED CLIPS, LOCATED & DRILLED NEW CLIPS P/N:143A7502-155 P.O.1126868.2 & P/N:143A7502-159 P.O.1
- [SDR ASAA2025062259367](https://openairdocs.org/sdr/ASAA2025062259367.md): Stringer · corroded · Jun 22, 2025 · N559AS · Boeing 737890 · Fuselage Main, Longeron/Stringer
  > FORWARD CARGO COMPARTMENT BILGE, STRINGER CORRODED. STA 500E + 19.5. GROUNDED - YES. EVALUATED AND REMOVED DAMAGE FROM STRINGER @ STA 500E + 19.5; ORIGINAL:.090, REMOVED.021, REMAINING.069 AND WAS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-03-1A-1. RE
- [SDR ASAA2025062259366](https://openairdocs.org/sdr/ASAA2025062259366.md): Stringer · corroded · Jun 22, 2025 · N559AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO COMPT BILGE, STRINGER HAS 2 SPOTS OF CORROSION STA 500E +5.5 AND +8, 15LBL. GROUNDED - YES. EVALUATED AND REMOVED DAMAGE FROM STRINGER @ STA 500 E+5.5 & +8; ORIGINAL:.056, REMOVED:.012, REMAINING.044 AND WAS FOUND TO BE OUT OF LIMITS IAW B737-800
- [SDR ASAA2025062259365](https://openairdocs.org/sdr/ASAA2025062259365.md): Stringer · corroded · Jun 22, 2025 · N559AS · Boeing 737890 · Fuselage Main, Longeron/Stringer
  > FWD CARGO COMPT BILGE, STRINGER HAS 2 SPOTS OF CORROSION. STA 500D AND 500D + 8, LBL1.5. GROUNDED - YES. EVALUATED AND REMOVED DAMAGE FROM STRINGER @ STA 500D AND 500D+8, ORIGINAL:.056, REMOVED:.012, REMAINING:.044 AND FOUND TO BE OUT OF LIMITS IAW B737-800
- [SDR ASAA2025062259362](https://openairdocs.org/sdr/ASAA2025062259362.md): Stringer Clip · corroded · Jun 22, 2025 · N559AS · Boeing 737890 · Fuselage Main, Attach Fittings
  > FORWARD CARGO COMPARTMENT BILGE, FRAME TO STRINGER ATTACH ANGLE CORRODED. STA500F 6 OCLOCK. GROUNDED - YES. REMOVED DAMAGE ORIGINAL:.050, REMOVED:.008, REMAINING:.042, FOUND TO BE OUT OF LIMITS. REMOVED DAMAGE SHEAR TIE, LOCATED AND DRILLED NEW SHEAR TIE P/
- [SDR ASAA2025061959414](https://openairdocs.org/sdr/ASAA2025061959414.md): Doubler · corroded · Jun 19, 2025 · N559AS · Boeing 737890 · Fuselage Main, Plate/Skin
  > BELLY DRAIN DOUBLER BS.737.37 BL.0 SHOWS SIGNS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ON BELLY DRAIN DOUBLER AT STA.737.37 BL.0 ORIGINAL MAT.063" IAW BAC DWG #146A3239 REV:C, LOST.008", REMAINING.055" OF MATERIAL FOUND BEYOND LIMITS IAW B737-800 SR
- [SDR ASAA2024050849673](https://openairdocs.org/sdr/ASAA2024050849673.md): Skin · cracked · May 8, 2024 · N559AS · Boeing 737890 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STA 138.70 I/B SIDE JUST O/B OF EXSTING REPAIR. GROUNDED - YES. REMOVED EXISTING REPAIR, CUT OUT DAMAGE AND INSTALLED NEW REPAIR DOUBLER (WITH 2EA FILLERS) IAW B737-800 SRM 55-10-01-2R-11 CATEGORY B REPAIR INSPECTI
- [SDR ASAA2024050849672](https://openairdocs.org/sdr/ASAA2024050849672.md): Cargo Track · cracked · May 8, 2024 · N559AS · Boeing 737890 · Fuselage, Seat/Cargo Attach Fittings
  > CARGO TRACK RBL14 IS CRACKED AT STA 767 & 747. GROUNDED - YES. REMOVED DAMAGE TRACK AND INSTALLED NEW TRACK IAW B737-800 SRM 53-00-53-2R-3 REPAIR.
- [SDR ASAA2024050750376](https://openairdocs.org/sdr/ASAA2024050750376.md): Battery Pack · no test · May 7, 2024 · N559AS · Boeing 737890 · Emergency Lighting
  > RH ROWS 17-25 EMERGENCY LIGHTS FAILED 15 MINUTE CHECK GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY IN POWER SUPPLY IAW BOEING 737-800 AMM 33-51-06-960-8005. BATTERY TEST SUCCESSFUL.
- [SDR ASAA2023110245978](https://openairdocs.org/sdr/ASAA2023110245978.md): Unknown · unknown · Nov 2, 2023 · N559AS · Boeing 737890 · Fuel Indicating System
  > FUELER REPORTED CTR TANK FUEL INDICATOR BLANK. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091245121](https://openairdocs.org/sdr/ASAA2023091245121.md): Ignition Lead · unknown · Sep 12, 2023 · N559AS · Boeing 737890 · Ignition System Wiring
  > #1 ENGINE HAD NO IGNITION, OTHER INDICATIONS NORMAL. GROUNDED - YES. (RESOLVED ON W/O: 1968107 TASKCARD: N/R-00002) REPLACED #1 ENG L/H IGNITION LEAD SNAP CK GOOD. REF AMM 74-21-01THIS CLEARS MEL 74-1C PLACARDS REMOVED SEAMC SCOTT NOTIFIED.
- [SDR ASAA2023091045016](https://openairdocs.org/sdr/ASAA2023091045016.md): Unknown · unknown · Sep 10, 2023 · N559AS · Boeing 737890 · Engine (Turbine/Turboprop)
  > FO REPORTS FAN BLADE DAMAGE ON #1 ENGINE BLADE 12 & 23. GROUNDED - YES. PERFORMED FAN BLADE REPAIR ON BLADES 12 & 23 IAW AMM 72-21-02-300-801-F00. PERFORMED FLOURESCENT PENETRANT OR EDDY CURRENT INSPECTION WITHIN 10 CYCLE OR 25 FLIGHT HOURS PER SUBTASK 72-21-0
- [SDR ASAA2023090845013](https://openairdocs.org/sdr/ASAA2023090845013.md): Igniter · malfunctioned · Sep 8, 2023 · N559AS · Boeing 737890 · Spark Plug/Igniter
  > L/H IGNITER FAILED TO START #1 ENG. GROUNDED - YES. (RESOLVED ON W/O: 1968767 TASKCARD: N/R-00001) REMOVED AND REPLACED L/H IGNITER ON ENG #1. AUDIBLE TEST PASSED. STILL REQ ENG #1 START W/ IGN L SELECTED. REF FIM TASK 74-21 TASK 806. SMD 55248 09/12/2023.#1
- [SDR ASAA2023083144899](https://openairdocs.org/sdr/ASAA2023083144899.md): Unknown · unknown · Aug 31, 2023 · N559AS · Boeing 737890 · Ignition System
  > ON START ENGINE #1 WOULD NOT LIGHT OFF. FUEL FLOW INITIALLY STARTED AND THEN WENT TO 0. GROUNDED - YES. COMPLIED WITH FIM 74-21 TASK 806. VERIFIED NO RECENT FAULTS OR EXISTING FAULTS IN FAULT HISTORY. PERFORMED AUDIBLE TEST FOR #1 ENGINE AS INSTRUCTED IN FIM,
- [SDR ASAA2023081044572](https://openairdocs.org/sdr/ASAA2023081044572.md): Exciter · inoperative · Aug 10, 2023 · N559AS · Boeing 737890 · Ignition Power Supply
  > PILOT REPORT OF NO 1 ENGINE LEFT IGNITION INOP. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE LEFT IGNITION EXCITER REF AMM 74-11-01. VERIFIED PART EFFECTIVITY WITH AOG ENGINEERING ERNEST YEUN. OPERATIONAL CHECK GOOD, NO DEFECTS NOTED. THIS CLEARS MEL 74-1C,
- [SDR ASAA2023080544429](https://openairdocs.org/sdr/ASAA2023080544429.md): Unknown · unknown · Aug 5, 2023 · N559AS · Boeing 737890 · DC Generating System
  > ELEC LIGHT ON OVERHEAD & NO AC VOLTS, SHOWS DASHES. GROUNDED - YES. C/W FIM 24-31 TASK 801, FAULT CLEARED. ALL INDICATIONS NORMAL.
- [SDR ASAA2023072444205](https://openairdocs.org/sdr/ASAA2023072444205.md): Unknown · unknown · Jul 24, 2023 · N559AS · Boeing 737890 · Detection System
  > ENGINE TWO FIRE SWITCH WILL NOT ILLUMINATE WITH OVERHEAT DETECT SWITCH IN NORMAL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072344185](https://openairdocs.org/sdr/ASAA2023072344185.md): Igniter · faulted · Jul 23, 2023 · N559AS · Boeing 737890 · Spark Plug/Igniter
  > #1 ENGINE WOULD NOT START WITH IGN R, NORMAL START WITH IGN L. GROUNDED - YES. (RESOLVED ON W/O: 1962503 TASKCARD: N/R-00002) REVERSED MEL PROCEDURE, REF FIM TASK 80-06 TASK 804. AS A PRECAUSION REMOVED AND REPLACED RH IGNITOR FOR #1 ENG REF AMM 74-21-02. OPS
- [SDR ASAA2023072044323](https://openairdocs.org/sdr/ASAA2023072044323.md): Fire Detector · malfunctioned · Jul 20, 2023 · N559AS · Boeing 737890 · Fire Detection
  > TROUBLESHOOTING RECOMMENDATIONS FOR HISTORY OF #2 ENGINE B LOOP NOT TESTING PROPERLY AND CAUSING DELAYS. (#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1963595 TASKCARD: N/R-00003) UPON ARRIVAL TO HANGAR, #2 ENG LOOP B STILL FAULTING. PERFORMED FIM 26-10 TA
- [SDR ASAA2023071243990](https://openairdocs.org/sdr/ASAA2023071243990.md): Unknown · unknown · Jul 12, 2023 · N559AS · Boeing 737890 · Fire Protection System
  > #2 ENG FIRE TEST INTERMITTANT. GROUNDED - YES. (RESOLVED ON W/O: 1960510 TASKCARD: N/R-00001) ENGINE FIRE DETECTION - OPERATIONAL TEST PASS REF AMM 26-11-00-710-801.ENGINE FIRE DETECTION LOOP RESISTANCE - SYSTEM TEST PASS REF AMM 26-11-00-730-801.ACCOMPLISHED
- [SDR ASAA2023071043983](https://openairdocs.org/sdr/ASAA2023071043983.md): Connector · damaged · Jul 10, 2023 · N559AS · Boeing 737890 · Air Conditioning System Wiring
  > FOUND DAMAGED BACKSHELL CONNECTOR ON ELACT 1 J3 OF OUTFLOW VALVE. GROUNDED - YES. REMOVED AND REPLACED OUTFLOW VALVE ASSY UP THROUGH STEPS AMM 21-31-03-400-801 3.F(10). EMP#43305 07-10-2023. COMPLETED ALL REQUIRED TESTING OF THE OUTFLOW VALVE PER MM 21-31-03.
- [SDR ASAA2023071043984](https://openairdocs.org/sdr/ASAA2023071043984.md): Controller · faulty · Jul 10, 2023 · N559AS · Boeing 737890 · Cabin Pressure Controller
  > CPC #1 AND #2 SYSTEM TEST FAILS CODE 001. GROUNDED - YES. REMOVED AND REPLACED #1 AND #2 CPC REF AMM 21-31-01/401. STILL REQUIRE OPS CHECKS. R.GRIMALDO 22707 07/11/2023. REINSTALLED CPC'S #1 AND #2, INSTL TEST PASS REF MM 21-31-01 AND 21-31-00-700-802, ETOPS G
- [SDR ASAA2023070943963](https://openairdocs.org/sdr/ASAA2023070943963.md): Tube · leaking · Jul 9, 2023 · N559AS · Boeing 737890 · Pneumatic Distribution System
  > R ENGINE AT IDLE, R DUCT PRESSURE 7 PSI. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURE USED PER CHATER 5 TABLE 3 ITEM 7. OPEND #2 ENGINE THRUST REVERSER. FOUND HIGH STAGE REGULATOR TO HIGH STAGE VALVE CONTROL PRESSURE SENSE LINE BROKEN. REMOVED AND REPLACED
- [SDR ASAA2023070943944](https://openairdocs.org/sdr/ASAA2023070943944.md): Blade · vibration · Jul 9, 2023 · N559AS · Boeing 737890 · Engine (Turbine/Turboprop)
  > PER TASK CARD PWRPL -72EA-25808-2 ALL 24 FAN BLADES ON #2 ENG S/N 894241 REQUIRE REPLACEMENT. GROUNDED - YES. PER T/C PWRPL-72EA-25808-2 REMOVED AND REPLACED ALL 24 FAN BLADES ON #2 ENG S/N 894241 RL 58708 07/09/2023 ALL P/ TRANSACTIONS ACCOMPLISHED IN TRAX RE
- [SDR ASAA2023062943794](https://openairdocs.org/sdr/ASAA2023062943794.md): Unknown · unknown · Jun 29, 2023 · N559AS · Boeing 737890 · Cabin Pressure Control System
  > AFTER LANDING, MASTER CAUTION ILLUMINATED WENT AUTO FAIL ON PRESS PANEL AND GREEN ALTN LIGHT ON. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062843818](https://openairdocs.org/sdr/ASAA2023062843818.md): Unknown · unknown · Jun 28, 2023 · N559AS · Boeing 737890 · Detection System
  > REF LOG TSR714582, DURING T/S FOUND ENGINE #2 FIRE WARNING LOOP "A" INOP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062743784](https://openairdocs.org/sdr/ASAA2023062743784.md): Monitor · faulty · Jun 27, 2023 · N559AS · Boeing 737890 · Engine Indicating System
  > INSTRUCTIONS FOR #2 ENGINE VIBRATION ISSUE OF AAVM NOT GAINING A GOOD SOLUTION OFF OF ENGINE RUN DATA. (#PRIAOG/ETOPS). GROUNDED - YES. ACCOMPLISHED STEPS 2 THROUGH 5 OF TSR. NFF. ACCOMPLISHED STEPS 7 THRU 18 FOUND DP 1304-2. MEGGING FROM PIN 2 TO 3 PINS PASSI
- [SDR ASAA2023052743378](https://openairdocs.org/sdr/ASAA2023052743378.md): Fmc · inoperative · May 27, 2023 · N559AS · Boeing 737890 · Flight Management Computing Hardware System
  > L/H FMC INOP. GROUNDED - YES. REMOVED & REPLACED L/H FMC REF B737-800 AMM 34-61-02/401. OPS TEST OK.
- [SDR ASAA2023052443355](https://openairdocs.org/sdr/ASAA2023052443355.md): Unknown · unknown · May 24, 2023 · N559AS · Boeing 737890 · Communications System
  > SAT PHONE 1 & 2 IN COCKPIT INOP. SAT-PHONE PAGE 1 ON CAPT'S SIDE DISPLAYS "- NO NUMBER" IN FMC CDU SCRATCH PAD. AOC DIR DETAILS PAGE 1 ON FO'S SIDE FMC CDU SCRATCHPAD DISPLAYS "SATCOM VOICE UNAVAILABLE". GROUNDED - YES. REBOOTED SYS - OPS OK.
- [SDR ASAA2023051643252](https://openairdocs.org/sdr/ASAA2023051643252.md): Control Panel · damaged · May 16, 2023 · N559AS · Boeing 737890 · Autopilot System
  > CAPTAIN'S NAV COURSE SELECTOR HARD TO SEE NUMBERS ON MCP. GROUNDED - YES. REF. B737-800 AMM 22-11-34, REMOVED/REPLACED MCP.
- [SDR ASAA2023051243234](https://openairdocs.org/sdr/ASAA2023051243234.md): Actuator · faulted · May 12, 2023 · N559AS · Boeing 737890 · Cabin Cooling System
  > DURING MASTER RECALL, RIGHT PACK LIGHT CAME ON. LIGHT WENT OUT WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACE RH RAM AIR ACTUATOR B737-800 AMM 21-51-21.
- [SDR ASAA2023041942923](https://openairdocs.org/sdr/ASAA2023041942923.md): Unknown · faulty · Apr 19, 2023 · N559AS · Boeing 737890 · Power Indicating System
  > WITH RECENT FAN MX #2 ENGINE TREND DATA SHOWS LOW PRESSURE ROTOR VIBRATION LEVELS ARE STILL ELEVATED. GROUNDED - YES. PERFORMED FAN TRIM BALANCE TEST 14B 3 TIMES VIBES STILL ABOVE 2.2 REF B737-800 AMM 71-00-00 TEST B. RESET ALL ENGINE #2 FAN BALANCE BOLTS TO P
- [SDR ASAA2023040742779](https://openairdocs.org/sdr/ASAA2023040742779.md): Blade · faulty · Apr 7, 2023 · N559AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > DUE TO ONGOING VIBRATION ISSUES ON #2 ENGINE. REQUEST FAN SET REPLACEMENT. TASK CARD 78472010 FAN BLADE ULTRA INSP REQUIRED. GROUNDED - YES. REMOVED AND REPLACED FAN SET PER B737-800 AMM 72-21-02. ACCOMPLISHED VIBRATION SURVEY AND FAN TRIM BALANCE PROCEDURE. V
- [SDR ASAA2023040442717](https://openairdocs.org/sdr/ASAA2023040442717.md): Harness · faulty · Apr 4, 2023 · N559AS · Boeing 737890 · Engine Bleed Air System
  > #2 ENGINE FOR AAVM NOT PICKING UP VIBE DATA (REF TSR714126) TECH SERVICES REQUEST REPLACEMENT OF HARNESSES MW0311 AND MW0313. GROUNDED - YES. REPLACED #2 ENG MW0311 HARNESS AND MW0313. REF B737-800 AMM 73-21-06 AND AMM 71-51-03 A.
- [SDR ASAA2023040442716](https://openairdocs.org/sdr/ASAA2023040442716.md): Valve · failed · Apr 4, 2023 · N559AS · Boeing 737890 · Pneumatic Distribution System
  > WHILE PERFORMING TAI SOLENOID VALVE TEST FOR MW0311 HARNESS TEST ON #2 ENG, PRECOOLER CONTROL VALVE FAILED TO CLOSE IN AIR MODE TRANSITION. GROUNDED - YES. REMOVED AND REPLACED THE #2 ENG PCV PER B737-800 AMM 36-12-02.
- [SDR ASAA2023040342715](https://openairdocs.org/sdr/ASAA2023040342715.md): Regulator · damaged · Apr 3, 2023 · N559AS · Boeing 737890 · Pneumatic Distribution System
  > #2 ENG BLEED AIR REGULATOR ELECTRICAL RECEPTACLE ATTACH SCREWS ARE LOOSE AND ONE SCREW HEAD BROKEN OFF SCREW HEAD RECOVERED P/N 107492-6. (REF ASA LOG PG 60572655) GROUNDED - YES. REMOVED AND REPLACED THE #2 ENG BLEED AIR REGULATOR PER B737-800 AMM 36-11-03-00
- [SDR ASAA2023040242677](https://openairdocs.org/sdr/ASAA2023040242677.md): Shim · warped · Apr 2, 2023 · N559AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > FOUND 1 SHIM WARPED WHILE ACCOMPLISHING #2 ENG FAN LUBE. GROUNDED - YES. REPLACED "1" SHIM ON #2 ENG REF ASA T/C 78472010.
- [SDR ASAA2023040242676](https://openairdocs.org/sdr/ASAA2023040242676.md): Blade · worn · Apr 2, 2023 · N559AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > FOUND 5 PLATFORMS WITH SHIM WEAR WHILE ACCOMPLISHING #2 ENG FAN LUBE. GROUNDED - YES. REPLACED "5" PLATFORMS ON ENGINE #2 REF ASA T/C 78472010.
- [SDR ASAA2023040242673](https://openairdocs.org/sdr/ASAA2023040242673.md): Regulator · faulty · Apr 2, 2023 · N559AS · Boeing 737890 · Pneumatic Distribution System
  > DURING ENGINE RUN, L/H DUCT PRESSURE WAS 40 PSI AT IDLE, RT DUCT PRESSURE WAS 20 PSI, BOTH PACKS ON, ISOLATION VALVE CLOSED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG HIGH STAGE VALVE AND HIGH STAGE REGULATOR REF B737-800 AMM 32-11-06 AND AMM 36-11-07..
- [SDR ASAA2023032842635](https://openairdocs.org/sdr/ASAA2023032842635.md): Blade · unknown · Mar 28, 2023 · N559AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > REF ASA T/C 78472010 #2 ENG FAN LUBE FOUND BLADE PLATFORMS 340-001-816-0 IN LOCATION 2,3,4,5,6,7 REST OF ENG PLATFORMS ARE -817-O REF SUBTASK 839-033. GROUNDED - YES. REMOVED AND REPLACED BLADE PLATFORMS REF T/C 78472010 TASK 839-033.
- [SDR ASAA2023032842634](https://openairdocs.org/sdr/ASAA2023032842634.md): Blade · damaged · Mar 28, 2023 · N559AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > REF ASA T/C 78472010 FAN BLADE LUBE, #2 ENG #6 BLADE HAS A NICK / SCRATCH ON THE CONVEX SIDE IN THE PLATFORM SEAL AREA APPROX 3 1/2 FROM LEADING EDGE. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS REF B737-800 AMM 72-21-02-200-801-F00. REPLACED #2 ENG BLADE
- [SDR ASAA2023020641862](https://openairdocs.org/sdr/ASAA2023020641862.md): Unknown · unknown · Feb 6, 2023 · N559AS · Boeing 737890 · Flight Management Computing Hardware System
  > VTK AND MAP FAILURE FLAGS DISPLAYED ON CAPTAINS NAVIGATION DISPLAY. FMC FAIL CHECKLIST ACCOMPLISHED. FMC SOURCE SELECT SWITCH REPOSITIONED TO BOTH ON R. NO BEARING OR DISTANCE INFORMATION DISPLAYED FOR FMC-L ON POS SHIFT. PAGE. GROUNDED - YES. FMC SWITCH REPOS
- [SDR ASAA2023020241775](https://openairdocs.org/sdr/ASAA2023020241775.md): Not Reported · failed · Feb 2, 2023 · N559AS · Boeing 737890 · Air Intake Anti/De-Ice System
  > LEFT COWL ANT-ICE FAILED IN CLOSED POSITION. GROUNDED - YES. REMOVED AND REPLACED #1 COWL ANTI-ICE VALVE REF AMM 30-21-11.
- [SDR ASAA2023020141815](https://openairdocs.org/sdr/ASAA2023020141815.md): Actuator · faulty · Feb 1, 2023 · N559AS · Boeing 737890 · Cabin Cooling System
  > LEFT PACK LIGHT ON RECALL - RESETS. GROUNDED - YES. REMOVED & REPLACED LH RAM AIR ACTUATOR REF B737-800 AMM 21-51-21. OPS CHECK GOOD BITE TESTED REF AMM 21-61-00 BITE TEST GOOD.

Next page: https://openairdocs.org/aircraft/N559AS/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 = 'N559AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N559AS/reports

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