# Service difficulty reports: N483AS

A list on [N483AS](https://openairdocs.org/aircraft/N483AS.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 4 · 179 reports

- [SDR ASAA2026092869422](https://openairdocs.org/sdr/ASAA2026092869422.md): Door Sill · corroded · Sep 28, 2026 · N483AS · Boeing 737990ER · Fuselage Main, Structure
  > FWD CARGO SILL WEB CORRODED. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS, REMOVED AND EPLACED FWD CARGO SILL WEB IAW B737-900 SRM 51-40-02-0G-0
- [SDR ASAA2026092869421](https://openairdocs.org/sdr/ASAA2026092869421.md): Cargo Track · corroded · Sep 28, 2026 · N483AS · Boeing 737990ER · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO, CARGO TRACK AT RBL-8 STA 727I+5 TRACK SPLICE CHANNEL CORRODED. GROUNDED - YES. REMOVED AND REPLACED CORRODED AFT CARGO, CARGO TRACK AT RBL-8 STA 727I+5 TRACK SPLICE CHANNEL IAW SRM 51-40-02-0G-0. W 1" O.080" R 0.0" L2" D.080".
- [SDR ASAA2026092869420](https://openairdocs.org/sdr/ASAA2026092869420.md): Transition Panel · corroded · Sep 28, 2026 · N483AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO RT TRANSITION FROM STA 727 TO STA 767 CORRODED. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO RTH TRANSITION SIDEPLATE BS 727-767 FOND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED TRANSITION IAW SRM 53-00-53-2R-5.
- [SDR ASAA2026092869419](https://openairdocs.org/sdr/ASAA2026092869419.md): Web · corroded · Sep 28, 2026 · N483AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO SILL WEB CORRODED. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED CORRODED AFT CARGO SILL WEB IAW SRM 51-40-02-0G-0.
- [SDR ASAA2026092869268](https://openairdocs.org/sdr/ASAA2026092869268.md): Shield · corroded · Sep 28, 2026 · N483AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO FWD SHIELD CORRODED. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED SHIELD IAW SRM 51-40-02-0G-0.
- [SDR ASAA2026011863806](https://openairdocs.org/sdr/ASAA2026011863806.md): Battery Pack · inoperative · Jan 18, 2026 · N483AS · Boeing 737990ER · Emergency Lighting
  > WHILE PERFORMING T/C 78233008, FOUND CABIN OVERWING EXIT SIGNS NOT ILLUMINATED. GROUNDED - YES. R & R THE LT & RT OVERWING BATTERY PACKS REF AMM 33-51-06-960-805. OPS TEST PASSED.
- [SDR ASAA2025081526044](https://openairdocs.org/sdr/ASAA2025081526044.md): Lens · detached · Aug 12, 2025 · N483AS · Boeing 737990ER · Emergency Lighting
  > EXIT SIGN CAME OFF AT ROW 16D. GROUNDED - YES. REPLACED LENS IAW AMM 33-51-01, NO OTHER DEFECTS NOTED.
- [SDR ASAA2024110953730](https://openairdocs.org/sdr/ASAA2024110953730.md): Power Supply · faulted · Nov 9, 2024 · N483AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY M1676 REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED AND PERFORMED INSTALLATION TEST OF EMERGENCY LIGHT POWER SUPPLY M1676 PER B737-900 AMM 33-51-06-960-806 TEST GOOD.
- [SDR ASAA2024110953729](https://openairdocs.org/sdr/ASAA2024110953729.md): Power Supply · faulted · Nov 9, 2024 · N483AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY M1670 REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1670 AND PERFORMED INSTALLATION TEST PER B737-900 AMM 33-51-06-960-806. TEST GOOD.
- [SDR ASAA2024110953727](https://openairdocs.org/sdr/ASAA2024110953727.md): Power Supply · faulted · Nov 9, 2024 · N483AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY M1671 REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1671 AND PERFORMED INSTALLATION TEST PER B737-900 AMM 33-51-06-960-806. TEST GOOD.
- [SDR ASAA2024110556701](https://openairdocs.org/sdr/ASAA2024110556701.md): Power Supply · failed · Nov 5, 2024 · N483AS · Boeing 737990ER · Emergency Lighting
  > G2051403 EMERGENCY BATTERY PACK M2816 FAILS OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT POWER SUPPLY AT M2816 IAW B737NG AMM 33-51-06. LIGHT TEST GOOD.
- [SDR ASAA2023110846080](https://openairdocs.org/sdr/ASAA2023110846080.md): Spacer · debonded · Nov 8, 2023 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE ACCOMPLISHING FAN LUBE #1 ENGINE, FOUND SPACERS AT POSITION 5, 7, 19, AND 22 ELASTOMERS STRIPS UNBONDED. GROUNDED - YES. REMOVED AND REPLACED ENG #1 SPACERS # 5, 7, 19, 22. REF T/C CFM56-7 FAN BLADE LUBRICATION.
- [SDR ASAA2023103046022](https://openairdocs.org/sdr/ASAA2023103046022.md): Valve · leaking · Oct 30, 2023 · N483AS · Boeing 737990ER · AC Generator-Alternator
  > FOLLOW-UP TO #2 ENGINE IDG FREQUENT SERVICING----(#PRI2)-----. GROUNDED - YES. (RESOLVED ON W/O: 1975479 TASKCARD: N/R-00001) PERFORMED IDG STATIC LEAK CHECK ON #2 ENGINE REF AMM 24-11-00. FOUND SLIGHT LEAKAGE FROM PUSH TO VENT VALVE. NO LEAKAGE FROM SERVICIN
- [SDR ASAA2023101245627](https://openairdocs.org/sdr/ASAA2023101245627.md): Unknown · unknown · Oct 12, 2023 · N483AS · Boeing 737990ER · Cabin Cooling System
  > RIGHT PACK ILLUMINATED IN FLIGHT DID NOT EXTINGUISH AFTER COMPLETING QRH. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE. # 1CONTROLLER BITE TEST PASSED NO FAULTS. # 2 CONTROLLER BITE TEST PASSED. RAN RIGHT PACK FOR 20 MINS NO FAULTS NOTED PRES
- [SDR ASAA2023092145265](https://openairdocs.org/sdr/ASAA2023092145265.md): Annunciator · inoperative · Sep 21, 2023 · N483AS · Boeing 737990ER · Indicating/Recording System
  > FO A/P, A/T, FMC DISENGAGE LIGHT TEST INOP IN POSITION 1. GROUNDED - YES. (RESOLVED ON W/O: 1968974 TASKCARD: N/R-00003) REPLACED AUTOFLIGHT STATUS ANNUNCIATOR REF AMM 22-11-32. OPS TEST GOOD. THIS CLEARS MEL 22-2D. PLACARDS REMOVED, SEAMC WILL NOTIFIED.
- [SDR ASAA2023082944828](https://openairdocs.org/sdr/ASAA2023082944828.md): Unknown · unknown · Aug 29, 2023 · N483AS · Boeing 737990ER · Autopilot System
  > STAB OUT OF TRIM LIGHT INTERMITTENTLY ILLUMINATED ON AUTOPILOT A W/AIRPLANE IN TRIM BEFORE ENGAGEMENT.STAB OUT OF TRIM LIGHT REMAINED ILLUMINATED ON AUTOPILOT B STEADY. GROUNDED - YES. LAST LEG SHOWS DFCS A MSG 22-11177(7 HITS) STAB TRIM ACTUATOR, MSG 22-11161
- [SDR ASAA2023082844827](https://openairdocs.org/sdr/ASAA2023082844827.md): Unknown · unknown · Aug 28, 2023 · N483AS · Boeing 737990ER · Autopilot System
  > ON CLIMBOUT SPEED TRIM FAIL LIGHT INTERMITTENTLY ILLUMINATED. CONTROL WHEEL STAB TRIM FUNCTIONED NORMALLY. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING FOR SPEED TRIM FAIL LIGHT WITH DFCS BITE PROCEDURE ALL TESTS PASSED REF FIM 22-11 TASK 849.
- [SDR ASAA2023082744807](https://openairdocs.org/sdr/ASAA2023082744807.md): Unknown · unknown · Aug 27, 2023 · N483AS · Boeing 737990ER · Communications System
  > SATCOM LOCAL OCCURED ENROUTE. GROUNDED - YES. PERFORMED QRT TO REESTABLISH. NO HISTORY PAST 30 DAYSSEAMC ANDY NOTIFIED.
- [SDR ASAA2023071243982](https://openairdocs.org/sdr/ASAA2023071243982.md): Unknown · unknown · Jul 12, 2023 · N483AS · Boeing 737990ER · Cabin Temperature Control System
  > CONT CAB ZONE TEMP ILLUMINATES ON RECALL EXTINGUISHS WITH RESET. GROUNDED - YES. (RESOLVED ON W/O: 1961735 TASKCARD: N/R-00002) REF FIM 21-62 TASK 903, #2 PZTC PREV FLT SHOWS FLT DECK TRIM VALVE FAULT. REF 21-62 TASK 832, #2 PZTC BITE VERIFY TEST GOOD W/O FAU
- [SDR ASAA2023052343321](https://openairdocs.org/sdr/ASAA2023052343321.md): Unknown · unknown · May 23, 2023 · N483AS · Boeing 737990ER · DC Generating System
  > ELEC LIGHT ILLUMINATED. GROUNDED - YES. RAN B737-900 FIM 24-31 TASK 801 LOGGED STAT INV INOP. RESET AND TEST OK REF FIM TASK 24-34-801.
- [SDR ASAA2023042343009](https://openairdocs.org/sdr/ASAA2023042343009.md): Actuator · leaking · Apr 23, 2023 · N483AS · Boeing 737990ER · Engine Bleed Air System
  > REF L/P 60557593 FOR #1 ENGINE LEAK. PERFORMED ACTIONS ON TSR 714232, FOUND RESIDUAL FUEL BUILD-UP ON TBV, RH VSV AND HPTACC. LEAK RATE FOUND TO BE LESS THAN 40 DROPS PER MIN. REPLACEMENT OF TBV, R/H VSV AND HPTACC REQUIRED WITHIN 25 FLIGHT CYCLES. GROUNDED -
- [SDR ASAA2023041942947](https://openairdocs.org/sdr/ASAA2023041942947.md): Knob · broken · Apr 19, 2023 · N483AS · Boeing 737990ER · Autopilot System
  > ALTITUDE SELECTOR KNOB BROKEN. GROUNDED - YES. REPLACED ALT KNOB. OPS CK OK.
- [SDR ASAA2023031442364](https://openairdocs.org/sdr/ASAA2023031442364.md): Unknown · unknown · Mar 14, 2023 · N483AS · Boeing 737990ER · HF Communications System
  > HF1 FAIL ON RADIO PANEL. GROUNDED - YES. ACCOMPLISHED C/B RESET FOR HF1 P18-2 E11. OPS NORMAL FAIL LIGHT EXTINGUISHED.
- [SDR ASAA2023012141765](https://openairdocs.org/sdr/ASAA2023012141765.md): Power Supply · failed · Jan 21, 2023 · N483AS · Boeing 737990ER · Emergency Lighting
  > LH ROW 7 EMERGENCY LIGHT POWER SUPPLY AT FLOOR LEVEL IS BAD. GROUNDED - YES. REPLACED POWER SUPPLY / BATTER L/H ROW 7 AT THE FLOOR OPS CHECK GOOD IAW B737-900 AMM 23-51-06-960-806 STEP E(4)(A) THRU (F).
- [SDR ASAA2022122941350](https://openairdocs.org/sdr/ASAA2022122941350.md): Bleed Valve · faulted · Dec 29, 2022 · N483AS · Boeing 737990ER · Compressor Bleed Valve
  > WITH #1 BLEED SELECTED OFF ENGINE STILL PROVIDES 16 PSI TO THE BLEED AIR DUCT AT IDLE AND AS HIGH AS 35 PSI WHEN USING BREAKWAY THRUST. BLEED AIR ONLY WENT TO ZERO WHEN THE #1 ENGINE WAS SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED BLEED AIR REG. PER B737-90
- [SDR ASAA2022111040750](https://openairdocs.org/sdr/ASAA2022111040750.md): Egt Indication · illuminated · Nov 10, 2022 · N483AS · Boeing 737990ER · APU Engine Fuel and Control
  > APU CT5ATP TEMPERATURE IS ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED APU PER B737-900 AMM 49-11-00-000-803. INSTALLED REPLACEMENT APU PER AMM REF 49-11-00-400-803.
- [SDR ASAA2022103140542](https://openairdocs.org/sdr/ASAA2022103140542.md): Spacer · torn · Oct 31, 2022 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE PERFORMING FAN BLADE LUBE ASA T/C # 78472010, FOUND #1 ENG SPACERS # 1,2,3,4,5,7,9,12,13,14,17,20,21,23 AND 24 TORN. GROUNDED - YES. REPLACED #1 ENG SPACERS # 1,2,3,4,5,7,9,12,13,14,17,20,21,23,24 REF ASA T/C 78472010 FOR WORK ACCOMPLISHED.
- [SDR ASAA2022102740495](https://openairdocs.org/sdr/ASAA2022102740495.md): Warning Light · false activation · Oct 27, 2022 · N483AS · Boeing 737990ER · Cabin Temperature Control System
  > CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL AND EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. RESET RIGHT PZTC CONTROL CABIN TRIM AIR VALVE FAULT. OBSERVED TAV DURING BITE, NO DEFECTS NOTED. VALVE MOVED FULL TRAVEL SMOOTHLY OPEN
- [SDR ASAA2022101640324](https://openairdocs.org/sdr/ASAA2022101640324.md): Fuel Nozzle · faulty · Oct 16, 2022 · N483AS · Boeing 737990ER · APU Engine Fuel and Control
  > APU TREND DATA SHOWS CT5ATP TEMP HAS SURPASSED THE 605 DEGREES THRESHOLD. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CA
- [SDR ASAA2022092940209](https://openairdocs.org/sdr/ASAA2022092940209.md): Sensor · faulty · Sep 29, 2022 · N483AS · Boeing 737990ER · APU Core Engine
  > AFTER LANDING, THE APU WAS STARTED AND AFTER START THE APU MAINT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED OIL SENSOR LEVEL REF B737-900 AMM 49-94-11.
- [SDR ASAA2022091539981](https://openairdocs.org/sdr/ASAA2022091539981.md): Radar · false indication · Sep 15, 2022 · N483AS · Boeing 737990ER · Independent Position Determining System
  > FO RADAR IN WXTT WOULD PAINT NON EXISTENT RETURNS THAT WOULD SHOW AS RADAR VERTICAL STRIPES ON RADAR. CPT'S WORKED FINE. GROUNDED - YES. ACCOMPLISHED WEATHER RADAR SYSTEM OPERATIONAL TEST. TEST PASS. ALL OPS NML. REF B737-900 AMM 34-43-00.
- [SDR ASAA2022091539951](https://openairdocs.org/sdr/ASAA2022091539951.md): Dfgs · faulty · Sep 15, 2022 · N483AS · Boeing 737990ER · Autopilot System
  > AUTOLAND EXCEEDED LATERAL LIMIT OF 35FT OF CENTERLINE EXCURSION INCREASING DURING ROLLOUT. HGS FUNCTION OF THE HYBRID APPROACH WAS NORMAL. GROUNDED - YES. ACCOMPLISHED DFCS FLT FAULT REVIEW, NO FAULTS LOGGED. ACCOMPLISHED LAND VERIFY TEST, GRP BITE 49, ALL TES
- [SDR ASAA2022091439957](https://openairdocs.org/sdr/ASAA2022091439957.md): Fmc · failed · Sep 14, 2022 · N483AS · Boeing 737990ER · Flight Management Computing Hardware System
  > BOTH FMC BLANKED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED THE LEFT FMC COMPUTER REF B737-900 AMM 34-61-02-400-801.
- [SDR ASAA2022091239940](https://openairdocs.org/sdr/ASAA2022091239940.md): Unknown · unknown · Sep 12, 2022 · N483AS · Boeing 737 · Flight Management Computing Hardware System
  > ENROUTE MOMENTARY LOSS OF FMC 1, UPON LANDING IN SEA WE ENCOUNTERED A DUAL FMC FAILURE. GROUNDED - YES. ACCOMPLISHED FMC BITE PROCEDURE LAST FLT SHOWS INTERMITTENT PGM FAULT. REF B737-900 FIM 34-61 TASK 801 CYCLED BOTH FMC COMPUTER C/B'S. ACCOMPLISHED FMC'S SE
- [SDR ASAA2022090839919](https://openairdocs.org/sdr/ASAA2022090839919.md): Fmc · intermittent · Sep 8, 2022 · N483AS · Boeing 737990ER · Flight Management Computing Hardware System
  > COPILOT'S FMC R2 INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED #2 MCDU. REF B737-900 AMM 34-61-01.
- [SDR ASAA2022083039713](https://openairdocs.org/sdr/ASAA2022083039713.md): Cdu · inoperative · Aug 30, 2022 · N483AS · Boeing 737990ER · Flight Management Computing Hardware System
  > F/O FMC BUTTONS: DEP ARR, HOLD, ATC, FMC COM, VNAV,PROG, EXEC, #7,8,9, B-E, F-J, L-O,Q-T,U-Y, SPACE & SLASH DO NOT WORK. GROUNDED - YES. REMOVED AND REPLACED F/O'S FMC CDU REF B737-900 AMM 34-61-01, OPS CHECK GOOD. CDU SOFTWARE CONFIGURATION CHECK COMPLIED WIT
- [SDR ASAA2022082939709](https://openairdocs.org/sdr/ASAA2022082939709.md): Fmc · defective · Aug 29, 2022 · N483AS · Boeing 737990ER · Flight Management Computing Software System
  > RT FMC LSK 5R + 6R TOP LAYER MISSING. GROUNDED - YES. REMOVED AND REPLACED F/O'S FMC CDU REF B737-900 AMM 34-61-01, OPS CHECK GOOD. CDU SOFTWARE CONFIGURATION CHECK COMPLIED WITH REF AMM 34-61-00.
- [SDR ASAA2022071339069](https://openairdocs.org/sdr/ASAA2022071339069.md): Circuit Breaker · open · Jul 13, 2022 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice Removal
  > #2 COWL VALVE OPEN LIGHT (BLUE) DOES NOT LIGHT UP. REPLACED BULBS WITH NO CHANGE. GROUNDED - YES. FOUND "ENGINE 2 CONTROL" C/B OPEN (P18-3 B5), RESET PER 737-900 AMM 20-60-01. PERFORMED ENGINE COWL ANTI-ICING OPS TEST, OPS CHECKED GOOD. C/B REMAINED CLOSED DUR
- [SDR ASAA2022061038620](https://openairdocs.org/sdr/ASAA2022061038620.md): Bulb · inoperative · Jun 10, 2022 · N483AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT OUTSIDE L2 DOOR INOP. GROUNDED - YES. RELAMPED IAW B737-900 AMM 33-51-04-960-801. OPS TEST GOOD.
- [SDR ASAA2022060238558](https://openairdocs.org/sdr/ASAA2022060238558.md): Cover · leaking · Jun 2, 2022 · N483AS · Boeing 737990ER · Turbine Section
  > AFTER #2 ENG IDLE RUN #2 ENG OIL LEAKING IN TAILPIPE. GROUNDED - YES. REMOVED AND REPLACED NO. 2 ENG TURBINE REAR FRAME (TRF) OIL INLET COVER. LEAK CHECKED OK. REF. B737-900 AMM 72-56-00-000-802 AND AMM 72-56-00-400-801-F00.
- [SDR ASAA2022060238545](https://openairdocs.org/sdr/ASAA2022060238545.md): Valve · leaking · Jun 2, 2022 · N483AS · Boeing 737990ER · Engine Cooling System
  > WHILE ACCOMPLISHING ASA T/C 3291186-6PNC #2 ENG HPTACC S/N GRTV4478 LEAKING. GROUNDED - YES. REMOVED & REPLACED #2 ENG HPTACC VALVE REF B737-900 AMM 75-21-01. LEAK & OPS CHECKED GOOD.
- [SDR ASAA2022051038265](https://openairdocs.org/sdr/ASAA2022051038265.md): Wire Harness · worn · May 10, 2022 · N483AS · Boeing 737990ER · Fuel Control/Turbine Engines
  > DURING #1 ENG INLET INSP ASA TASK CARD 78472000, FOUND CORE WIRING HARNESS MW0311 OUTER SHEATHING WORN THROUGH TO BRAIDED MATERIAL DUE TO CHAFING WITH PREVIOUS REPAIR ON J9 HARNESS, RIGHT SIDE OF ENGINE. GROUNDED - YES. REPLACED J9 ( REF B737-900 AMM 73-21-06-
- [SDR ASAA2022041337989](https://openairdocs.org/sdr/ASAA2022041337989.md): None · faulty · Apr 13, 2022 · N483AS · Boeing 737 · Autopilot System
  > AT CRUISE FL 400 B AUTOPILOT DISENGAGED. GROUNDED - YES. PER B737-900 FIM 22-11 TASK 801 PERFORMED DFCS BITE. CURRENT STATUS CHECK PASSES. FLT LEG 1 HAD FAULTS 22-11627, 22-11607 FOR CHAN A AND B. COMMON LRU IS MCP. LEG 2 HAD OTHER SIMILAR FAULTS FOR MCP. REMO
- [SDR ASAA2022041237975](https://openairdocs.org/sdr/ASAA2022041237975.md): Autopilot Sys · disengaged · Apr 12, 2022 · N483AS · Boeing 737990ER · Autopilot System
  > "A" AUTOPILOT DISENGAGED TWICE AT CRUISE FL 340.77 MACH. GROUNDED - YES. REMOVED & REPLACED DFCS MCP AND ACCOMPLISHED REQUIRED TESTS WITH NO FAULTS. REF B737-900 AMM 22-11-34.
- [SDR ASAA2022040837926](https://openairdocs.org/sdr/ASAA2022040837926.md): Unknown · unknown · Apr 8, 2022 · N483AS · Boeing 737900ER · Autopilot System
  > AUTOPILOT BUMPED OFF AT 4000FT ON APPROACH INTO SAN. I WAS ABLE TO TURN IT BACK ON AFTER. GROUNDED - YES. PERFORMED LAND VERIFY TEST IAW B737-900 AMM 22-11-00 ALL REQ TST PASSED.
- [SDR ASAA2022040237865](https://openairdocs.org/sdr/ASAA2022040237865.md): Unknown · unknown · Apr 2, 2022 · N483AS · Boeing 737990ER · Cabin Temperature Control System
  > IN MASTER CAUTION RECALL AFTER ENGINE START ZONE TEMP CONT CAB ILLUMINATED ACCOMPLISHED QRH LIGHT EXTINGUISHED UPON MASTER CAUTION CANCEL. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE PER B737-900 FIM 21-62 TASK 801 SHOWED FAULT FOR CONTROL CABIN TRIM VALVE.
- [SDR ASAA2022033137860](https://openairdocs.org/sdr/ASAA2022033137860.md): Unknown · unknown · Mar 31, 2022 · N483AS · Boeing 737990ER · Flight Management Computing Hardware System
  > VTK FLAG AND FMC RST LIGHT INTERMITTENTLY ON GROUND IN LAX. GROUNDED - YES. PER B737-900 AMM 34-61-00-839-001 SUBTASK E, FOUND NORMAL YET NUISANCE CONDITION. A/C OK FOR SERVICE.
- [SDR ASAA2022032437783](https://openairdocs.org/sdr/ASAA2022032437783.md): None · none · Mar 24, 2022 · N483AS · Boeing 737990ER · Autopilot System
  > MCP VERTICAL SPEED SKIPS DIGITS WHEN SELECTING CLIMB (1000 FPM CLB ONE CLICK ON WHEEL WILL JUMP TO A 1500' PER MIN CLB OR DROP TO A 900 FPM CLB). AIRSPEED KNOB SKIPS DIGITS. AIRSPEED SELECTED AT 248 ONE CLICK RIGHT WITH KNOB AIRSPEED JUMPS TO 251. ALL OTHER IN
- [SDR ASAA2022031537720](https://openairdocs.org/sdr/ASAA2022031537720.md): Ecu · faulty · Mar 15, 2022 · N483AS · Boeing 737990ER · APU Start/Ignition System
  > APU "MAINT" LIGHT ILLUMINATED AND STAYED ON WHEN APU WAS STARTED AFTER LANDING. APU OPERATED NORMAL. GROUNDED - YES. REMOVED AND REPLACED APU ECU IAW B737-900 AMM 49-61-12. OPS CK NORMAL. CSSP OK ON 3/27.
- [SDR ASAA2022013037324](https://openairdocs.org/sdr/ASAA2022013037324.md): Modulating Valve · faulty · Jan 30, 2022 · N483AS · Boeing 737990ER · Cabin Temperature Control System
  > AFTER PART ENGINE START, ON RECALL CONT CAB ZONE TEMP ILLUMINATED. RESET WITH MASTER CAUTION. GROUNDED - YES. CONTROLLER BITE CHECK RESULTED IN TCV FAULT, LH SIDE. REMOVED AND REPLACED LH TEMPERATURE CONTROL VALVE IAW B737-900 AMM 21-51-10-000-801 AND AMM 21-5

Next page: https://openairdocs.org/aircraft/N483AS/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 = 'N483AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N483AS/reports

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