# Service difficulty reports: N558AS

A list on [N558AS](https://openairdocs.org/aircraft/N558AS.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 · 535 reports

- [SDR ASAA2026050866651](https://openairdocs.org/sdr/ASAA2026050866651.md): Cargo Track · cracked · May 8, 2026 · N558AS · Boeing 737890 · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO, CARGO TRACK AT RBL 14 STA 747 TO 727E MULTIPLE CRACKED LOWER LEGS. GROUNDED - YES. REMOVED AND REPLACED AFT CARGO, CARGO TRACK AT RBL 14 STA 727 TO 887 IAW B737-800 SRM 51-40-02-0G-0.
- [SDR ASAA2026050866648](https://openairdocs.org/sdr/ASAA2026050866648.md): Transition Panel · corroded · May 8, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO L/H TRANSITION CORRODED FROM STA 727 TO 727G. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS. REPAIRED L/H TRANSITION IAW B737-800 SRM 53-00-53-2R-5W: 1" O:.040" R:.031" L: 1" D:.009".
- [SDR ASAA2026050866647](https://openairdocs.org/sdr/ASAA2026050866647.md): Transition Panel · corroded · May 8, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO L/H TRANSITION CORRODED FROM STA 727G TO 847. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS. REPAIRED L/H TRANSITION IAW B737-800 SRM 53-00-53-2R-5W: 1" O:.040" R:.033" L: 1" D:.007".
- [SDR ASAA2026050866646](https://openairdocs.org/sdr/ASAA2026050866646.md): Strap · corroded · May 8, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO STRAP I/B OF SILL WEB CORRODED. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED STRAP IAW B737-800 SRM 51-40-02-0G-0W: 1" O:.100" R:.077" L: 1" D:.023".
- [SDR ASAA2026050866645](https://openairdocs.org/sdr/ASAA2026050866645.md): Transition Panel · corroded · May 8, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO R/H TRANSITION CORRODED FROM STA 727H TO 767. GROUNDED - YES. REMOVED CORRSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW B737-800 SRM 53-00-53-2R-5W: 1" O:.040" R:.033" L: 1" D:.007".
- [SDR ASAA2026050866644](https://openairdocs.org/sdr/ASAA2026050866644.md): Transition Panel · corroded · May 8, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO R/H TRANSITION CORRODED FROM STA 727 TO 727G. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW B737-800 SRM 53-00-53-2R-5W: 1" O:.040" R:.033" L: 1" D:.007".
- [SDR ASAA2026050766649](https://openairdocs.org/sdr/ASAA2026050766649.md): Web · corroded · May 7, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO SILL WEB CORRODED STA 440 TO STA 492. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-30-15-1A-1. REMOVED AND REPLACED SILL WEB IAW B737-800 SRM 51-40-02-0G-0W= 1.25 O=.045 R=.035 L= 3.75 D=.010.
- [SDR ASAA2026050766643](https://openairdocs.org/sdr/ASAA2026050766643.md): Transition Panel · corroded · May 7, 2026 · N558AS · Boeing 737890 · Fuselage Main, Structure
  > FWD CARGO R/H TRANSITION CORRODED FROM STA 500A TO 500E. GROUNDED - YES. REMOVED AND REPLACED DAMAGED SECTION FWD CARGO R/H TRANSITION BETWEEN STA 500A TO 500E IAW B737-800 SRM 51-40-02-0G-0W 1" O.040" R.030 L 4" D.010".
- [SDR ASAA2026050766642](https://openairdocs.org/sdr/ASAA2026050766642.md): Transition Panel · corroded · May 7, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO R/H TRANSITION CORRODED FROM STA 500F TO 500I. GROUNDED - YES. REMOVED AND REPLACED DAMAGED SECTION FWD CARGO R/H TRANSITION BETWEEN STA 500F TO 500I IAW B737-800 SRM 51-40-02-0G-0W 1" O.040" R.030" L 4" D.010".
- [SDR ASAA2026050766641](https://openairdocs.org/sdr/ASAA2026050766641.md): Transition Panel · corroded · May 7, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO L/H TRANSITION CORRODED FROM STA 500B TO 500I. GROUNDED - YES. REMOVED AND REPALCED DAMAGED SECTION FWD CARGO L/H TRANSITION FROM STA 500B TO 500I IAW B737-800 SRM 51-40-02-0G-0W 1" O.040" R.032" L 3" D.008".
- [SDR ASAA2026050766336](https://openairdocs.org/sdr/ASAA2026050766336.md): Shield · corroded · May 7, 2026 · N558AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO R/H AFT SHIELD CORRODED. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-30-15-1A-1. REMOVED AND REPLACED SHIELD IAW B737-800 SRM 51-40-02-0G-0.W: 2" O:.032" R:.025" L: 2" D: 007".
- [SDR ASAA2026050666650](https://openairdocs.org/sdr/ASAA2026050666650.md): Beam · cracked · May 6, 2026 · N558AS · Boeing 737890 · Service Doors
  > BEAM BELOW HANDLE BOX ON THE R1 DOOR IS CRACKED IN THE RADIUS NEXT TO MOUNT BOLTS MARKED WITH DOT. GROUNDED - YES. REMOVED AND INSTALLED NEW BEAM ON BELOW HANDLE BOX ON THE R1 DOOR IAW B737-800 SRM 51-40-02-0G-0.
- [SDR ASAA2025103062030](https://openairdocs.org/sdr/ASAA2025103062030.md): Lamp · inoperative · Oct 30, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > WHILE PERFORMING T.C. #7823001, A/C LH AFT EXTERIOR EMERGENCY EXIT LIGHT IS INOPERATIVE. GROUNDED - YES. RELAMPED AFT LT EXTERIRO EMERGENCY LIGHT IAW AMM 33-51-04-960-801. NEW LAMP CHECKS GOOD.
- [SDR ASAA2025102961942](https://openairdocs.org/sdr/ASAA2025102961942.md): Lens · missing · Oct 29, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > AFT GALLEY EXIT PLASTIC SIGN MISSING. GROUNDED - YES. INSATALLED AFT GALLEY EXIT SIGN LENS REF AMM 33-51-01. AND ACCOMPLISHED EMERGENCY LIGHTS TEST REF TASK 33-51-00-720-8001, TEST PASSED.
- [SDR ASAA2025091060829](https://openairdocs.org/sdr/ASAA2025091060829.md): Cover · detached · Sep 10, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > OVHD CABIN CENTER EMERGENCY EXIT SIGN COVER (FWD SIDE) CAME OFF. GROUNDED - YES. REINSTALLLED COVER ON CENTER OVHD EMERGENCY EXIT SIGN. OPS OK.
- [SDR ASAA2025090760704](https://openairdocs.org/sdr/ASAA2025090760704.md): Sign · broken · Sep 7, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > AFT GALLEY EMEGENCY EXIT SIGN BROKEN. GROUNDED - YES. REPLACED AFT EXIT SIGN REF AMM 33-51-01-960-802. OPS CHECK GOOD.
- [SDR ASAA2025090560696](https://openairdocs.org/sdr/ASAA2025090560696.md): Lens · broken · Sep 5, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > FIGHT ATT REPORTED THE EMERG EXIT COVER SIGN 16DEF BROKEN. GROUNDED - YES. VERIFIED EMERG EXIT SIGN BROKEN 16DEF REMOVED AND REPLACED EMERG EXIT COVER REF AMM 33-51-01, CHECK GOOD.
- [SDR ASAA2025082160364](https://openairdocs.org/sdr/ASAA2025082160364.md): Control Panel · detached · Aug 21, 2025 · N558AS · Boeing 737890 · Lighting System
  > MASTER CALL LIGHT PANEL IN FWD GALLEY CEILING FELL OFF. GROUNDED - YES. REPLACED MASTER CALL/EXIT SING LIGHT ASSY REF CMM 33-51-01. OPS CHECKS GOOD. INT CLEARD. PLACARD REMOVED.
- [SDR ASAA2025071059507](https://openairdocs.org/sdr/ASAA2025071059507.md): Power Supply · inoperative · Jul 10, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY LIGHTS AT L/H FWD O/W DOOR THROUGH L/H SEAT ROW 4 AISLE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2335 S/N 32826 IAW B737-NG AMM 33-51-06-960-806. OPS CHECK GOOD.
- [SDR ASAA2025012855622](https://openairdocs.org/sdr/ASAA2025012855622.md): Battery Pack · inoperative · Jan 28, 2025 · N558AS · Boeing 737890 · Emergency Lighting
  > REF T/C 78233008, EMERGENCY EXIT LIGHTS ON LOWER OVERHEAD STOW BINS FWD OF EMERGENCY EXIT DOOR R/H SIDE ARE INOP. GROUNDED - YES. REMOVED AND INSTALLED A NEW BATTERY PACK AT SEAT 8F BEHIND AIR RETURN GRILL REF AMM 33-51-06, OPS CK GOOD.
- [SDR ASAA2024110453674](https://openairdocs.org/sdr/ASAA2024110453674.md): Battery Pack · failed · Nov 4, 2024 · N558AS · Boeing 737890 · Emergency Lighting
  > WHILE ACCOMPLISHING T/C 78233001 THREE EMERGENCY BATTERY PACKS REQUIRE REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED M1670, M1673, M1675 REF AMM 33-51-06-960-805.
- [SDR ASAA2024031048351](https://openairdocs.org/sdr/ASAA2024031048351.md): Sign · detached · Mar 10, 2024 · N558AS · Boeing 737890 · Emergency Lighting
  > FA REPORTS EXIT SIGN BY FWD SERVICE DOOR FELL OFF. GROUNDED - YES. REMOVED AND REOLACED R1 DOOR EXIT FLOOR LT ASSY. REF AMM 33-51-01. OPS CK GOOD.
- [SDR ASAA2024030348233](https://openairdocs.org/sdr/ASAA2024030348233.md): Lens · detached · Mar 3, 2024 · N558AS · Boeing 737890 · Emergency Lighting
  > FWD GALLEY EMER LIGHT SIGN COVER FELL OFF. GROUNDED - YES. RESECURED R1 DOOR EMERG LENS OPS NORMAL.
- [SDR ASAA2023120446512](https://openairdocs.org/sdr/ASAA2023120446512.md): Lens · detached · Dec 4, 2023 · N558AS · Boeing 737890 · Emergency Lighting
  > EXIT SIGN COVER FELL OFF IN FLIGHT MID CABIN. GROUNDED - YES. REATTACHED EXIT SIGN. REF IPC 33-61-01-80G. GRD CHECK OK.
- [SDR ASAA2023102745941](https://openairdocs.org/sdr/ASAA2023102745941.md): Power Supply · discharged · Oct 27, 2023 · N558AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1695 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1695 IAW B737NG AMM 33-51-06-960 806 OPS CHECK GOOD.
- [SDR ASAA2023092845354](https://openairdocs.org/sdr/ASAA2023092845354.md): Unknown · unknown · Sep 28, 2023 · N558AS · Boeing 737890 · Cabin Temperature Control System
  > CONT CABIN ZONE TEMP UPON RECALL CLEARS ON RESET. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 903. FOUND FLT DECK TRIM VALVE FAULT. PERFORMED FIM 21-62 TASK 832. GO LIGHT CAME ON. PERFORMED FIM 21-62 TASK 903 GO LIGHT CAME ON. NO FAULT NOTED.
- [SDR ASAA2023092145229](https://openairdocs.org/sdr/ASAA2023092145229.md): Unknown · unknown · Sep 21, 2023 · N558AS · Boeing 737890 · Air Conditioning System
  > ON MASTER CAUTION RECALL, CONT CAB ZONE LIGHT ILLUMINATED AND EXTINGUISHED WIHEN MASTER CAUTION RESET. RAN QRH. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091945203](https://openairdocs.org/sdr/ASAA2023091945203.md): Igniter · malfunctioned · Sep 19, 2023 · N558AS · Boeing 737890 · Spark Plug/Igniter
  > DURING ENGINE START NO EGT INCREASE AFTER START LEVER IDLE ENG #2 IGN R. ON SUBSEQUNT START ATTEMPT ENG #2 IGN L SUCCESSFUL. GROUNDED - YES. (RESOLVED ON W/O: 1969770 TASKCARD: N/R-00007) REVERSED MEL PROCEDURES. PERFORMED IGNITION SYSTEM AUDIBLE TEST REF AMM
- [SDR ASAA2023091745191](https://openairdocs.org/sdr/ASAA2023091745191.md): Unknown · unknown · Sep 17, 2023 · N558AS · Boeing 737890 · Ignition Power Supply
  > RIGHT IGN. APPEARED NOT TO WORK SWITCHED TO LEFT, ENGINESTART NORMAL. GROUNDED - YES. PERFORMED IGNITION SYSTEM AUDIBLE TEST ON BOTH ENG #1 & #2 FOR IGN R. REF AMM 74-00-00. TEST PASSED. PERFORMED ENG IDLE RUN IGN R ON BOTH ENG #1 & #2 REF AMM 71-00-00. OPERAT
- [SDR ASAA2023091545152](https://openairdocs.org/sdr/ASAA2023091545152.md): Unknown · unknown · Sep 15, 2023 · N558AS · Boeing 737890 · HF Communications System
  > HF RADIO 2 WILL NOT TRANSMIT. RECEIVES AND SELCAL WORKING. HF2 SEEMS TO BE WORKING ON GROUND IN SEA. GROUNDED - YES. PERFORMED HF#2 SYSTEM TEST REF MM 23-11-00, SYSTEM TEST SUCCESSFUL, HF#2 OK FOR SERVICE, A/C RELEASED FROM MEL 23-11-A, PLACARD REMOVED, SEAMC
- [SDR ASAA2023081744652](https://openairdocs.org/sdr/ASAA2023081744652.md): Controller · failed · Aug 17, 2023 · N558AS · Boeing 737890 · Cabin Temperature Control System
  > BOTH LEFT AND RIGHT PACK LIGHTS AND ZONE TEMP LIGHTS CAME ON DURING CRUISE AT 38000 FEET. MASTER CAUTION PUSH TO RESET EXTINGUISHED LIGHTS, NO OTHER INDICATION. GROUNDED - YES. PERFORMED B737-800 FIM 21-53 TASK 820 AND FIM TASK 21-62 TASK 801, FOUND ZONE TEM
- [SDR ASAA2023080844497](https://openairdocs.org/sdr/ASAA2023080844497.md): Unknown · unknown · Aug 8, 2023 · N558AS · Boeing 737890 · Cabin Cooling System
  > AFTER START LEFT PACK LIGHT ILLUMINATED DURING RECALL CHECK, LIGHT WENT OUT DURING RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072644289](https://openairdocs.org/sdr/ASAA2023072644289.md): Unknown · unknown · Jul 26, 2023 · N558AS · Boeing 737890 · Cabin Temperature Control System
  > LH PACK + AIR COND LIGHTS WITH MASTER CAUTION. BOTH LIGHTS EXTINGUISH WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1963076 TASKCARD: N/R-00003) ACCOMPLISHED FIM TASK 21-62 PACK TEMP CONTROL BITE CHECK FOR L/H PACK, FAULT RESET. OPS CHECK OF P
- [SDR ASAA2023072644252](https://openairdocs.org/sdr/ASAA2023072644252.md): Unknown · unknown · Jul 26, 2023 · N558AS · Boeing 737890 · Communications System
  > SAT PHONE #1 AND #2 UNABLE TO TRANSMIT ON BOTH FO AND CA SIDE. CALLS OUTGOING AND INCOMING NORMAL AND ABLE TO HEAR ON THE END BUT NOT ABLE TO TRANSMIT ON EITHER SIDE. SAT SWITCHED ON HF/SA TRANSFER SWITCH. ALL OPS NORMAL EXCEPT UNABLE TO TRANSMIT FROM EITHER S
- [SDR ASAA2023072644250](https://openairdocs.org/sdr/ASAA2023072644250.md): Unknown · unknown · Jul 26, 2023 · N558AS · Boeing 737890 · Autopilot System
  > UPON INTIAL ENGAGEMENT OF AUTO PILOT B, YOKE SNAPPED TO THE LEFT TO 4 DEGREES ON AILERON TRIM SCALE, THEN OPERATED NORMALLY. TRIED TO ENGAGE/DISENGAGE MULTIPLE TIMES - SAME RESULT. AUTO PILOT A OPERATES NORMALLY WITH NO SNAP ON INITIAL ENGAGEMENT. VERY SUBTLE
- [SDR ASAA2023071844105](https://openairdocs.org/sdr/ASAA2023071844105.md): Unknown · unknown · Jul 18, 2023 · N558AS · Boeing 737890 · Cabin Cooling System
  > LEFT HAND PACK LIGHT ON RECALL. RESETS WITH MC RESET. GROUNDED - YES. (RESOLVED ON W/O: 1961386 TASKCARD: N/R-00004) ACCOMPLISHED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST, FAULT RESET, RUN THREE TIMES, OPS NML REF MM 21-61-00-700-806-002. THIS CLEARS MEL 21
- [SDR ASAA2023071644071](https://openairdocs.org/sdr/ASAA2023071644071.md): Unknown · unknown · Jul 16, 2023 · N558AS · Boeing 737890 · Autopilot System
  > 50,000 LOCK OUT. GROUNDED - YES. CYCLED POWER MCP OPERATION RESTORED REF FIM 22-11 TASK 853.
- [SDR ASAA2023070743937](https://openairdocs.org/sdr/ASAA2023070743937.md): Control Panel · faulty · Jul 7, 2023 · N558AS · Boeing 737890 · Weather Radar System
  > RADAR DISPLAY ON CAPTAIN'S SIDE SHOWS GROUND CLUTTER AT CRUISE ALTITUDE WHEN IN THE AUTO MODE. GROUNDED - YES. FOUND 'GC' BUTTONS TO FUNCTION OPPOSITE OF EACH OTHER IN AUTO MODE. CONTROL PANEL S/N IS A PROBLEM ROTABLE. REPLACED WX RADAR CONTROL PANEL REF B737-
- [SDR ASAA2023062943827](https://openairdocs.org/sdr/ASAA2023062943827.md): Controller · faulty · Jun 29, 2023 · N558AS · Boeing 737890 · Cabin Cooling System
  > RIGHT PACK ILLUMINATION ON RECALL- MASTER CAUTION RESET. RELEASED PER MEL #21-32B RIGHT PACK PRIMARY TEMPERATURE CONTROL INOP. GROUNDED - YES. REFERENCE ABOVE. DEFERRAL WRITTEN IN DEFECT DESCRIPTION BLOCK. FOUND CONT CAB ZONE TEMP AND FWD CAB ZONE TEMP ALSO IL
- [SDR ASAA2023062443710](https://openairdocs.org/sdr/ASAA2023062443710.md): Unknown · unknown · Jun 24, 2023 · N558AS · Boeing 737890 · Independent Position Determining System
  > CAPTAINS NAVIGATION DISPLAY DEPICTS ERRONEOUS GREEN BAND OF WX RADAR RETURNS FROM APPROXIMATELY 80-160-NM IN BOTH AUTO AND MANUAL MODES. ERRONEOUS DISPLAY IS NOT AFFECTED BY CHANGING SCALE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062043681](https://openairdocs.org/sdr/ASAA2023062043681.md): Control Panel · faulty · Jun 20, 2023 · N558AS · Boeing 737890 · Weather Radar System
  > WEATHER RADAR FAILED ON DESCENT THROUGH 1000 MSL "PWS FAIL" & "WX FAIL" DISPLAYED ON ND. GROUNDED - YES. REMOVED AND REPLACED WXR R/T MOUNT BLOWER ASSEMBLY REF AMM 34-43-51/401. REMOVED REPLACED WXR CONTROL PANEL PRECAUTIONARY REF AMM 34-43-91/401. REMOVED AND
- [SDR ASAA2023061443617](https://openairdocs.org/sdr/ASAA2023061443617.md): Unknown · unknown · Jun 14, 2023 · N558AS · Boeing 737890 · Navigation System
  > CAPT SCREEN WHILE OPERATING RADAR IN AUTO IS SATURATED WITH GROUND CLUTTER-FO SCREEN DISPLAYS NORMALLY IN AUTO MODE-BOTH SCREENS DISPLAY WEATHER CORRECTLY WHILE OPERATING RADAR IN MANUAL (MANUAL TILT FUNCTION OPPERATES NORMALLY). GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023052443356](https://openairdocs.org/sdr/ASAA2023052443356.md): Motor · inoperative · May 24, 2023 · N558AS · Boeing 737890 · Fuel Boost Pump
  > AFTER FUELING WITH 4,000 LBS OF CENTER FUEL. CENTER L PUMP INOP. GROUNDED - YES. REMOVED AND INSTALLED A NEW LEFT CENTER BOOST PUMP REF B737-800 AMM 28-22-41 AND AMM 20-30-11.
- [SDR ASAA2023043043064](https://openairdocs.org/sdr/ASAA2023043043064.md): Control Unit · faulty · Apr 30, 2023 · N558AS · Boeing 737890 · Windshield/Door Rain/Ice Removal
  > RIGHT SIDE WINDOW OVERHEAT, AFTER SWITCH OFF 5 MINUTES AND TURNED BACK ON OVERHEAT LIGHT RETURNED. GROUNDED - YES. REMOVED & REPLACED NEW RIGHT SIDE WHCU & INSTALLATION TEST GOOD B737-800 AMM 30-41-11/401.
- [SDR ASAA2023042843063](https://openairdocs.org/sdr/ASAA2023042843063.md): Idg · failed · Apr 28, 2023 · N558AS · Boeing 737890 · Electrical Power System
  > GEN 1 SOURCE OFF LIGHT ILLUMINATED UNABLE TO GET GEN 1 BACK ONLINE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG IDG REF B737-800 AMM 24-11-11.
- [SDR ASAA2023041142787](https://openairdocs.org/sdr/ASAA2023041142787.md): Motor · faulty · Apr 11, 2023 · N558AS · Boeing 737890 · Fuel Boost Pump
  > FOLLOW-UP TO HISTORY OF #1 TANK AFT PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #1 AFT TANK FUEL PUMP REF B737-800 AMM 28-27-41.
- [SDR ASAA2023040442711](https://openairdocs.org/sdr/ASAA2023040442711.md): Control Panel · faulty · Apr 4, 2023 · N558AS · Boeing 737890 · Autopilot System
  > AUTOPILOT B FAILED ENROUTE TWICE. SWITCHED TO AUTOPILOT A. QRH 4.2 COMPLETE. GROUNDED - YES. DFCS FAULT REVIEW SHOWED MULTIPLE INSTANCES OF FAULTS 22-11607 "MCP DATA INVALID" AND 22-11627 "MCP BUS INV TO FGN FCC" IN CHANNEL B FAULT HISTORY. REMOVED AND REPLACE
- [SDR ASAA2023040442730](https://openairdocs.org/sdr/ASAA2023040442730.md): Unknown · unknown · Apr 4, 2023 · N558AS · Boeing 737890 · Autopilot System
  > A/P A DISENGAGED AT CRUISE. IT WOULD NOT INITIALLY REENGAGE. AFTER TURNING BOTH F/D OFF AND USING THE DISENGAGE LEVER, WE WERE ABLE TO REENGAGE. GROUNDED - YES. RUN B737-800 FIM TASK 22-11 TASK 801. FMC INT FAULT REST & TEST A - FCC & A/P A OK REF FIM 22-11 TA
- [SDR ASAA2023033142670](https://openairdocs.org/sdr/ASAA2023033142670.md): Unknown · unknown · Mar 31, 2023 · N558AS · Boeing 737890 · Emergency Lighting
  > EXIT LIGHT FELL FROM MAIN CABIN. GROUNDED - YES. RESECURED EXIT LIGHT LENS AT OVERWING EXITS. NO FURTHER DEFECTS NOTED.
- [SDR ASAA2023031942436](https://openairdocs.org/sdr/ASAA2023031942436.md): Unknown · unknown · Mar 19, 2023 · N558AS · Boeing 737890 · Flight Management Computing Hardware System
  > FMC LOCKED UP DURING PREFLIGHT. GROUNDED - YES. PERFORMED BITE PROCEDURE ON FMCS L & R IAW B737-800 FIM 34-61 TASK 801 ALL TESTS PASSED.

Next page: https://openairdocs.org/aircraft/N558AS/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 = 'N558AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N558AS/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.