# Service difficulty reports: N481AS

A list on [N481AS](https://openairdocs.org/aircraft/N481AS.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 5 · 217 reports

- [SDR ASAA2026092868982](https://openairdocs.org/sdr/ASAA2026092868982.md): Battery Pack · no test · Sep 28, 2026 · N481AS · Boeing 737990ER · Emergency Lighting
  > WHILE PERFORMING T/C 78233001 EMERGENCY BATTERY PACK CAPACITY FUNCTIONAL CHECK, M1673 AFT GALLEY LEFT OVHD BATTERY PACK FAILED. GROUNDED - YES. REMOVED AND REPLACED M1673 BATTERY PACK REF. AMM 33-51-06.OPS. CK. GOOD, OK FOR SVC.
- [SDR ASAA2025092261059](https://openairdocs.org/sdr/ASAA2025092261059.md): Floor Panel · delaminated · Sep 22, 2025 · N481AS · Boeing 737990ER · Fuselage Floor Panel
  > FLOOR PANEL HAS DELAMINATION DAMAGE. GROUNDED - YES. EVALUATED FLOOR PANEL, FOUND TO BE OUT OF REPAIRABALE LIMITS, FABRICATED NEW PANEL IAW SRM 53-00-50-01-1, SRM 53-00-50-2R-0, BAC DWG 143A5810-REV- AND EXISTING PART.
- [SDR ASAA2025091560920](https://openairdocs.org/sdr/ASAA2025091560920.md): Power Supply · inoperative · Sep 15, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1670 ARE INOP. GROUNDED - YES. REMOVED + REPLACED POWER SUPPLY M1670 S/N 129986 + INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2025091560919](https://openairdocs.org/sdr/ASAA2025091560919.md): Power Supply · inoperative · Sep 15, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED + REPLACED POWER SUPPLY M1676 S/N 155934 & INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2025090760757](https://openairdocs.org/sdr/ASAA2025090760757.md): Power Supply · inoperative · Sep 7, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M2627 S/N 129605 INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2025090760756](https://openairdocs.org/sdr/ASAA2025090760756.md): Power Supply · inoperative · Sep 7, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1694 ARE INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY M1694 S/N 125135 & INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2025090760698](https://openairdocs.org/sdr/ASAA2025090760698.md): Power Supply · inoperative · Sep 7, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1672 S/N 125547 AND OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2025081360447](https://openairdocs.org/sdr/ASAA2025081360447.md): Floor Panel · damaged · Aug 13, 2025 · N481AS · Boeing 737990ER · Fuselage Floor Panel
  > AFT WET AREA FWD CENTER FLOOR PANEL IS DAMAGED. GROUNDED - YES. COMPLETED PERMANENT REPAIR OF AFT WET AREA FWD CENTER FLOOR PANEL IAW SRM-53-00-50-2R-6.
- [SDR ASAA2025081260556](https://openairdocs.org/sdr/ASAA2025081260556.md): Web · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO DOOR SCUFF PLATE SUB FRAME HAS CORROSION IN MULTIPLE LOCATION. GROUNDED - YES. REMOVED CORROSION ON FWD CARGO THRESHOLD WEB ORIGINAL THICKNESS.045, REMOVED.012, REMAINING.033, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15. REMOVED DAMAGE W
- [SDR ASAA2025081260448](https://openairdocs.org/sdr/ASAA2025081260448.md): Transition Panel · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LT FLOOR TRANSITION PANEL, BS 727I+9 TO TO 847, LBL.21. UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS.040, REMOVED.040, REMAINING.000. FOUND TO BE OUT OF LIMITS IAW SRM 53-
- [SDR ASAA2025081260446](https://openairdocs.org/sdr/ASAA2025081260446.md): Transition Panel · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT, RT FLOOR TRANSITION PANEL TO BS 727 TO 727I+9, RBL21, UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS.040, REMOVED.040, REMAINING.000. FOUND TO BE OUT OF LIMITS IAW SRM 53-00
- [SDR ASAA2025081260445](https://openairdocs.org/sdr/ASAA2025081260445.md): Transition Panel · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LT FLOOR TRANSITION PANEL TO BS 727 TO 727I+9, LBL21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS.040, REMOVED.040, REMIANING.000. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-
- [SDR ASAA2025081260444](https://openairdocs.org/sdr/ASAA2025081260444.md): Transition Panel · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT RT FLOOR TRANSITION PANEL BS 7271+9 TO BS 767, RBL21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS.040, REMOVED.040, REMAINING.000. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1
- [SDR ASAA2025081260443](https://openairdocs.org/sdr/ASAA2025081260443.md): Threshold Web · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO HAS CORROSION AT DOOR THRESHOLD. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO DOOR THRESHOLD WEB ORIGINAL MAT. THICKNESS.050, MATERIAL REMOVED.026 MATERIAL REMAINING.024. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15. REPLACED AFT CARGO THRESHOLD
- [SDR ASAA2025081260379](https://openairdocs.org/sdr/ASAA2025081260379.md): Shield · corroded · Aug 12, 2025 · N481AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT R/H FLOOR SHIELD BS.767 TO BS.787+6 RBL.21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. EVALUATED R/H SHIELD STA 767 TO STA 787, ORIGINAL THICKNESS.050 REMOVED.010 REMAINING.040 FOUND TO BE OUT OF LIMITS IAW B737-900
- [SDR ASAA2025080860442](https://openairdocs.org/sdr/ASAA2025080860442.md): Stop Fitting · out of limits · Aug 8, 2025 · N481AS · Boeing 737990ER · Passenger/Crew Doors
  > L2 DOOR FWD UPPER STOP PIN HOUSING HAS GOUGED. GROUNDED - YES. FOUND STOP FITTING GOUGED OUT OF LIMITS IAW SRM 52-10-90-1A-1. REMOVED STOP FITTING IAW SRM 51-40-02-0G-0. LOCATED & INSTALLED IAW DWG 147A6116 REV B.
- [SDR ASAA2025071359395](https://openairdocs.org/sdr/ASAA2025071359395.md): Cover · missing · Jul 13, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > LH FWD EXTERNAL EMERGENCY LIGHT COVER MISSING. GROUNDED - YES. REMOVED AND REPLACED L/H FORWARD OVERWING EXTERIOR EMERGENCY EXIT LIGHT ASSEMBLY AND OPS CHECK GOOD IAW ASA B737-900 AMM 33-51-04-960-802, AMM 51-21-99 AND SRM 51-40-02. THIS CLEARS CDL 33-51-1B,
- [SDR ASAA2025071259392](https://openairdocs.org/sdr/ASAA2025071259392.md): Battery Pack · inoperative · Jul 12, 2025 · N481AS · Boeing 737990ER · Emergency Lighting
  > DURING T/C 78233008 FOUND EXT OVERWING EMERGENCY EXIT LT FOR LH WING INOP. GROUNDED - YES. THERE WERE SEVERAL EMERGENCY LIGHTS OUT. REMOVED AND REPLACED BATTERY PACK M2335 IAW AMM 33-51-06-960-805, OPS CHECKS GOOD. CLEARS MEL 33-14C, SEAMC NOTIFIED. NO AIRCRAF
- [SDR ASAA2025052058114](https://openairdocs.org/sdr/ASAA2025052058114.md): Door · out of adjust · May 20, 2025 · N481AS · Boeing 737990ER · Passenger/Crew Doors
  > FLIGHT ATTENDANT REPORTS L1 DOOR WILL NOT CLOSE. GROUNDED - YES. PERFORMED FWD ENTRY L1 DOOR SYSTEM TEST REF AMM 52-11-00-700-804 STEP 4A-E ITEM 3 STEP "D". FWD ENTRY DOOR SYSTEM TEST FAILS CLOSING FORCE TEST REF AMM 52-11-00-700-804. ADJUSTED THE L-1 DOOR TO
- [SDR ASAA2024091652576](https://openairdocs.org/sdr/ASAA2024091652576.md): Power Supply · faulty · Sep 16, 2024 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY (M2335) REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M2335), INSTALL TEST GOOD, REF B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2024091652575](https://openairdocs.org/sdr/ASAA2024091652575.md): Power Supply · faulty · Sep 16, 2024 · N481AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY (M1670) REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M1670), INSTALL TEST GOOD REF B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2024091552585](https://openairdocs.org/sdr/ASAA2024091552585.md): Power Supply · inoperative · Sep 15, 2024 · N481AS · Boeing 737990ER · Emergency Lighting
  > ALL EXTERNAL EMERGENCY EXIT LIGHTS ON THE LEFT SIDE OF THE AIRCRAFT ARE NOT WORKING. GROUNDED - YES. GENERATED HAECO NON-ROUTINE G2033114, G2033116, G2033115: REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLIES (M2335, M1670, M1675) IAW B737-900 AMM 33-51-06-9
- [SDR ASAA2024091552584](https://openairdocs.org/sdr/ASAA2024091552584.md): Power Supply · inoperative · Sep 15, 2024 · N481AS · Boeing 737990ER · Emergency Lighting
  > ABOVE ROWS 29DEF, 25DEF, 11ABC AND 7ABC EMERGENCY EXIT LIGHTS NOT WORKING. GROUNDED - YES. GENERATED HAECO NON-ROUTINE'S G2033113, G2033116; G2033115: REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLIES (M2335, M2627, M1670) INSTALL TEST GOOD REF B737-900 AMM
- [SDR ASAA2024091552583](https://openairdocs.org/sdr/ASAA2024091552583.md): Power Supply · inoperative · Sep 15, 2024 · N481AS · Boeing 737990ER · Emergency Lighting
  > ALL L1 DOOR EMERGENCY EXIT LIGHTS NOT WORKING. GROUNDED - YES. GENERATED HAECO NON ROUTINE G2033114: REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M1675) INSTALL TEST GOOD REF B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2023111846271](https://openairdocs.org/sdr/ASAA2023111846271.md): Wheel · separated · Nov 18, 2023 · N481AS · Boeing 737990ER · Wheel/Ski/Float
  > #2 LEFT MAIN INBOARD TIRE TREAD SEPARATED ON LANDING. GROUNDED - YES. C/W CONDITIONAL INSPECTION PER AMM 05-51-54. SEPARATED TIRE TREAD DENTED THE LH INBOARD AFT FLAP, DENTED THE #6 SPOILER, CRACKED AND DENTED THE LH INBD LOWER FIXED TRAILING EDGE PANEL. REMOV
- [SDR ASAA2023111246153](https://openairdocs.org/sdr/ASAA2023111246153.md): Unknown · unknown · Nov 12, 2023 · N481AS · Boeing 737990ER · Cabin Cooling System
  > L PACK CAUTION LIGHT ON DURING RECALL. EXTINGUISHES DURING MC RESET. GROUNDED - YES. (RESOLVED ON W/O: 1976784 TASKCARD: N/R-00002) PERFORMED PACK TEMP CONTROLLER BITE REF FIM 21-62 TASK 801. FOUND TCV FAULT ON LEFT CONTROLLER. RESET CONTROLLER AND RAN PACKS.
- [SDR ASAA2023102945873](https://openairdocs.org/sdr/ASAA2023102945873.md): Unknown · unknown · Oct 29, 2023 · N481AS · Boeing 737990ER · Engine Cooling System
  > DURING TASK CARD 78273000 FOUND #2 ENGINE ECONOMIC RECENT FAULT 75-10362 "THE HPTACC POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. REACCOMPLISHED TC 78273000. FAULT NOT PRESENT. THIS CLEARS PLT DEFERRAL. SEAMC ANDY NOTIFIED.
- [SDR ASAA2023101445653](https://openairdocs.org/sdr/ASAA2023101445653.md): Transceiver · failed · Oct 14, 2023 · N481AS · Boeing 737990ER · Weather Radar System
  > WEATHER RADAR FAILED. GROUNDED - YES. PERFORMED WXR BITE TEST NO FAULTS PER FIM 34-42 TASK 801, UNABLE TO DUPLICATE DISCREPANCY, REPLACED NEW WXR RT & PERFORMED INSTALLATION TEST GOOD AMM 34-43-41/401, CLEARS MEL 34-15D, PLACARD REMOVED, SEAMC WILL NOTIFIED.
- [SDR ASAA2023101045545](https://openairdocs.org/sdr/ASAA2023101045545.md): Servo · leaking · Oct 10, 2023 · N481AS · Boeing 737990ER · Engine Fuel Distribution
  > DURING DRY MOTOR PROCEDURE FUEL LEAKING FROM TOP OF SERVO FUEL HEATER ALONG WITH LOOSE HARDWARE ON THE TOP OF THE UNIT, #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED FUEL SERVO HEATER OPS CHECK GOOD NO LEAKS NOTED REF AMM 73-11-07-020-005.
- [SDR ASAA2023092545291](https://openairdocs.org/sdr/ASAA2023092545291.md): Unknown · unknown · Sep 25, 2023 · N481AS · Boeing 737990ER · Cabin Temperature Control System
  > CONT CAB ZONE TEMP LIGHT ILLUMINATES DURING MASTER CAUTION RECALL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092545324](https://openairdocs.org/sdr/ASAA2023092545324.md): Coupler · inoperative · Sep 25, 2023 · N481AS · Boeing 737990ER · Communications System Wiring
  > UNABLE TO TRANSMIT ON #1 HF RADIO. GROUNDED - YES. TRIED SERVICEABLE #1 HF TRANSCEIVER- NO HELP. RE-INSTALLED ORIGINAL HF TRANSCEIVER REF. AMM 23-11-21. REPLACED #1 HF ANTENNA COUPLER- OPS CHECKS O.K. REF AMM 23-11-61. REF LOG PAGE 60911932 FOR COUPLER ACCESS
- [SDR ASAA2023091045054](https://openairdocs.org/sdr/ASAA2023091045054.md): Unknown · unknown · Sep 10, 2023 · N481AS · Boeing 737990ER · Communications System
  > HF 1 INOP. GROUNDED - YES. (RESOLVED ON W/O: 1968885 TASKCARD: N/R-00002) PERFORMED BITE TEST OF HF1 TRANSCEIVER REF FIM 23-11 TASK 801. NO DEFECTS FOUND. PERFORMED OPS TEST OF HF1 REF AMM 23-11-00, HF1 TRANSMITS AND RECEIVES WITH NO ISSUES. RELAMPED HF1 SWIT
- [SDR ASAA2023082444749](https://openairdocs.org/sdr/ASAA2023082444749.md): Unknown · unknown · Aug 24, 2023 · N481AS · Boeing 737990ER · Cabin Pressure Control System
  > AFTER LANDING AUTO FAIL AND ALTN ILLUMINATED ON PRESSURIZATION PANEL. GROUNDED - YES. ACCOMPLISHED BITE OF BOTH DCPC REF FIM 21-31 TASK 801 #1 NO FAULTS #2 LOGGED BCM FAULT #11. ACCOMPLISHED FIM 21-31 TASK 827, SYS RESET AND REPAIR CONFIRMATION TESTS PASSED. N
- [SDR ASAA2023081544634](https://openairdocs.org/sdr/ASAA2023081544634.md): Battery Pack · inoperative · Aug 15, 2023 · N481AS · Boeing 737990ER · Emergency Lighting
  > OVERHEAD SEAT ROW 27ABC EMERGENCY AISLE LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY AISLE LIGHT AT SEAT ROW 27ABC REF AMM 33-51-03 (OPS CHECK LIGHT STILL INOP) MOGDEN 40843 08/15/2023REMOVED AND REPLACED BATTERY AT M2626 REF AMM 33-51-06-960-805
- [SDR ASAA2023081244538](https://openairdocs.org/sdr/ASAA2023081244538.md): Acm · faulty · Aug 12, 2023 · N481AS · Boeing 737990ER · Cabin Cooling System
  > AFTER LANDING LEFT PACK LIGHT COME ON. REFERENCE QRH AND PUSHED TRIP RESET SWITCH AND PACK LIGHT WENT OUT. CONT CAB TEMP WENT ABOVE 50 DEGREE CENTIGRAD SO WE SELECTED THE LEFT PACK OF. GROUNDED - YES. PERFORMED BITE PROCEDURE ON PTC NO FAULT FOUND REF AMM 21-6
- [SDR ASAA2023080444465](https://openairdocs.org/sdr/ASAA2023080444465.md): Unknown · unknown · Aug 4, 2023 · N481AS · Boeing 737990ER · APU Start/Ignition System
  > APU FAULT LIGHT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023063043831](https://openairdocs.org/sdr/ASAA2023063043831.md): Unknown · unknown · Jun 30, 2023 · N481AS · Boeing 737990ER · HF Communications System
  > HF RADIO #1 INOP DURING FLIGHT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023050743195](https://openairdocs.org/sdr/ASAA2023050743195.md): Spinner · damaged · May 7, 2023 · N481AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE ACCOMPLISHING ASA T/C 78472000 ON ENGINE 2 FOUND SPINNER CONE MISSING 50 PERCENT OF COATING. GROUNDED - YES. SPINNER CONE REPLACED IAW B737-900 AMM 72-21-00.
- [SDR ASAA2023033142703](https://openairdocs.org/sdr/ASAA2023033142703.md): Hmu · faulted · Mar 31, 2023 · N481AS · Boeing 737990ER · Fuel Controlling System
  > #1 ENG VALVE CLOSED VALVE LT REMAINS IN BRIGHT WITH ENG SHUT DOWN. GROUNDED - YES. REMOVED AND INSTALLED #1 ENGINE HMU REF. ASA T/C # N8473000 AND T/C # N8473001. P6-3 ENGINE FUEL ENG 1 HPSOV IND CIRCUIT BREAKER RESET. OPS CHECK AND LEAK CHECK GOOD. EEC BITE
- [SDR ASAA2023022742135](https://openairdocs.org/sdr/ASAA2023022742135.md): Actuator · faulted · Feb 27, 2023 · N481AS · Boeing 737990ER · Cabin Cooling System
  > LEFT PACK ILLUMINATES ON RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED L/H RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27/401.
- [SDR ASAA2023022442057](https://openairdocs.org/sdr/ASAA2023022442057.md): None · none · Feb 24, 2023 · N481AS · Boeing 737990ER · Cabin Cooling System
  > LEFT PACK LT ILLUMINATED ON DESCENT - REMAINED ON RECALL. GROUNDED - YES. REMOVED AND REPLACED LEFT PACK ACM PER B737-900 AMM 21-51-04 (REF LP 60565353).
- [SDR ASAA2023021641966](https://openairdocs.org/sdr/ASAA2023021641966.md): Unknown · unknown · Feb 16, 2023 · N481AS · Boeing 737990ER · HF Communications System
  > HF #1 DOES NOT TRANSMIT RECEIVES OK SELCAL OK. GROUNDED - YES. REF B737-900 FIM 23-11 TASK 805, PERFORMED INITIAL EVALUATION. OPS NORMAL.
- [SDR ASAA2023011841572](https://openairdocs.org/sdr/ASAA2023011841572.md): Windshield · cracked · Jan 18, 2023 · N481AS · Boeing 737990ER · Flight Compartment Windows
  > R1 HEAT ELEMENT ARCED BRIGHTLY. TURNED OFF R1 HEAT. OUTER WINDOW PANE CRACKED. INNER PANE OKAY. GROUNDED - YES. REPLACED R1 WINDOW REF B737-900 AMM 56-11-11.
- [SDR ASAA2022090239788](https://openairdocs.org/sdr/ASAA2022090239788.md): Spacer · unsecure · Sep 2, 2022 · N481AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE ACCOMPLISHING ASA T/C78472010 FOUND ELASTOMERS FROM SPACER COMING OFF. GROUNDED - YES. REMOVED & REPLACED ENG #2 FAN SPACER 7(EA) REF ASA T/C # 78472010.
- [SDR ASAA2022072239185](https://openairdocs.org/sdr/ASAA2022072239185.md): Fmc · intermittent · Jul 22, 2022 · N481AS · Boeing 737990ER · Flight Management Computing Hardware System
  > CAPT NAV DISPLAY HAD VTK FLAG LNAV DISAGREED AND LEFT FMC BLANKED AT CRUISE. SWITCHED TO USING RT FMC AND AUTOPILOT WITHIN 5 MINS LEFT FMC RESTORED. GROUNDED - YES. FOUND L FMC DATE RATE FAULT LOGGED BY R FMC. CW RESET PER B737-900 FIM 34-61 TASK 807. OPS NORM
- [SDR ASAA2022061638698](https://openairdocs.org/sdr/ASAA2022061638698.md): Datalink · failed · Jun 16, 2022 · N481AS · Boeing 737990ER · Flight Management Computing Hardware System
  > ATC DATALINK FAIL BEFORE HANDOFF FROM OCEANIC TO OAKLAND CENTER. GROUNDED - YES. PERFORMED RESET OF BOTH FMC'S & CPDLC FUNCTIONAL TEST IAW BOEING 737NG AMM 34-61-00-720-899. OPS CHK GOOD.
- [SDR ASAA2022061138645](https://openairdocs.org/sdr/ASAA2022061138645.md): Actuator · faulty · Jun 11, 2022 · N481AS · Boeing 737990ER · Cabin Cooling System
  > LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED L/H RAM AIR INLET ACTUATOR PER B737-900 AMM 21-51-21. OPS CHECK IS GOOD.
- [SDR ASAA2022061138688](https://openairdocs.org/sdr/ASAA2022061138688.md): Eec · faulty · Jun 11, 2022 · N481AS · Boeing 737990ER · Fuel Controlling System
  > FOUND ON #2 ENGINE MSG NBR 73-11282 "EEC CHANNEL IS NOT ENERGIZED WITH ALTERNATOR VOLTAGE. SHORT TIME FAULT DEFERRED PER T/C 7827300. GROUNDED - YES. REF B737-900 AMM 73-21-60 REMOVED AND REPLACED EEC OPS CHECK GOOD.
- [SDR ASAA2022060338573](https://openairdocs.org/sdr/ASAA2022060338573.md): Cabin Air Sys · warning light · Jun 3, 2022 · N481AS · Boeing 737990ER · Cabin Cooling System
  > LH PACK ILLUMINATES ON RECALL, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED FIM TASK 21-53 TASK 821, BOTH PZTC HAVE NO FAULTS LOGGED ON PREV FLT AND BITE VERIFY TESTS GOOD W/O FAULTS MSG. VERIFIED LEFT PACK OPS CHECKED NORMAL ON GND.
- [SDR ASAA2022053138561](https://openairdocs.org/sdr/ASAA2022053138561.md): Harness · defective · May 31, 2022 · N481AS · Boeing 737990ER · Detection System
  > DURING PRE-FLIGHT TEST, ENGINE #1 FIRE AND OVERHEAT DO NOT TEST IN NORMAL. WHEN SELECTING "B" LOOP #1 ENGINE IMMEDIATELY INDICATES A FIRE AND OVERHEAT. ENGINE #1, #2, AND APU ALL TEST NORMAL ON LOOP "A". GROUNDED - YES. CONFIRMED FAULT, #1 ENGINE B-LOOP INTER

Next page: https://openairdocs.org/aircraft/N481AS/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 = 'N481AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N481AS/reports

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