# Service difficulty reports: N408AS

A list on [N408AS](https://openairdocs.org/aircraft/N408AS.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 6 · 286 reports

- [SDR ASAA2026090468556](https://openairdocs.org/sdr/ASAA2026090468556.md): Door · out of adjust · Sep 4, 2026 · N408AS · Boeing 737990ER · Passenger/Crew Doors
  > L1 DOOR IS HARD TO LATCH. GROUNDED - YES. MIG-2C INIT S/N:40-0080267,40-0080268,40-0080269, 40-0080270 ADJUSTED L1 DOOR INREF TO AMM 52-11-00-820-801 STEPS 2, CONTINUE ON ADJUSTING L1 DOOR IN REF TO AMM 52-11-00-8220-801 NO DEFECTS NOTED. MIG-2C SN 40-008267
- [SDR ASAA2025121563361](https://openairdocs.org/sdr/ASAA2025121563361.md): Lamp · burned out · Dec 15, 2025 · N408AS · Boeing 737990ER · Emergency Lighting
  > RIGHT AFT OVERWING EXTERIOR EMERGENCY EXIT LIGHT IS INOPERATIVE. GROUNDED - YES. RELAMPED RT AFT OVERWING EXT EMERGENCY LIGHT & OPS CHECK GOOD IAW AMM 33-51-04-960-801.
- [SDR ASAA2025051457979](https://openairdocs.org/sdr/ASAA2025051457979.md): Lens · missing · May 14, 2025 · N408AS · Boeing 737990ER · Emergency Lighting
  > F/A REPORTS MID CABIN EMERGENCEY LIGHT COVER MISSING. GROUNDED - YES. INSTALLED NEW COVER ASSY OK FOR SERVICE.
- [SDR ASAA2024020948623](https://openairdocs.org/sdr/ASAA2024020948623.md): Door Frame · cracked · Feb 9, 2024 · N408AS · Boeing 737990ER · Fuselage Main, Structure
  > FOUND CRACKED FRAME AT 947 RBL 45 JUST UNDER MOPSILL WHEN CAP WAS REMVOED FOR REPAIR. GROUNDED - YES. REMOVED FRAME, FABRICATED NEW FRAME IAW BOEING DWG# 147A1047-144. INSTALLED NEW FRAME IAW B737-900 SRM 51-40-02-0G-0.
- [SDR ASAA2024013148624](https://openairdocs.org/sdr/ASAA2024013148624.md): Floorbeam · corroded · Jan 31, 2024 · N408AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > AFT WET STA 947 FLOORBEAM CORRODED AT RBL-25. GROUNDED - YES. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-70-51-1A-1. REPAIRED FLOORBEAM IAW ASA EA # 900ER-53EA-26612.W= 2.0 O=.180 R=.135 L= 2.5 D=.045.
- [SDR ASAA2024012648622](https://openairdocs.org/sdr/ASAA2024012648622.md): Tab · cracked · Jan 26, 2024 · N408AS · Boeing 737990ER · Trailing Edge Flaps
  > LH FLAP DEFLECTION BEAM UPPER TAB IS BROKEN OFF. GROUNDED - YES. REPAIRED DEFLECTION BEAM UPPER TAB IAW B737-900 SRM 57-51-02-2R-3.
- [SDR ASAA2024012547996](https://openairdocs.org/sdr/ASAA2024012547996.md): Transition Panel · corroded · Jan 25, 2024 · N408AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO LH TRANSITION PNL CORRODED IN MULITPLE AREAS BETWEEN STA 727+4 TO STA 7271+10. GROUNDED - YES. REPAIRED TRANSITION PNL LH FROM STA 727+4 TO STA 727I +10 IAW B737-900 SRM 53-00-53-2R5.
- [SDR ASAA2024012547995](https://openairdocs.org/sdr/ASAA2024012547995.md): Transition Panel · corroded · Jan 25, 2024 · N408AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO LH TRANSITION PNL CORRODED IN MULIPLTE AREAS STA 727I+10 TO STA 847. GROUNDED - YES. REPAIRED TRANSITION PNL FROM STA 727I+10 TO STA 847 IAW B737-900 SRM 53-00-53-2R-5.
- [SDR ASAA2024012547993](https://openairdocs.org/sdr/ASAA2024012547993.md): Channel · corroded · Jan 25, 2024 · N408AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO BAY RH TRANSITION HAS CORR FROM FS 500E TO FS 500L. GROUNDED - YES. REMOVED CORRODED SECTION OF RH TRANSITION PNL & INSTALLED NEW TRANSTION PNL IAW B737-900 SRM 53-00-53-2R-5.
- [SDR ASAA2024012348621](https://openairdocs.org/sdr/ASAA2024012348621.md): Power Supply · inoperative · Jan 23, 2024 · N408AS · Boeing 737990ER · Emergency Lighting
  > R1 DOOR EXTERIOR EMER EXIT LIGHT DOES NOT ILLUMINATE ALL OTHER EMER LIGHTS ON THAT BATTERY PACK OPS CK GOOD. GROUNDED - YES. REMOVED, REPLACED & OPS TEST GOOD OF NEAR FWD ENTRY DOOR PWER SUPPLY BATTERY PACK IAW B737-900 AMM 33-51-06-960-805 STEPS 4E, 4, 6A, 6
- [SDR ASAA2023110145957](https://openairdocs.org/sdr/ASAA2023110145957.md): Unknown · unknown · Nov 1, 2023 · N408AS · Boeing 737900ER · Flight Management Computing Hardware System
  > MAP DISPLAYED ON FO ND. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 801. CONFIRMED CORRECT NAV DATA BASE. MAP CLEARS & OPS NORMAL.
- [SDR ASAA2023092645334](https://openairdocs.org/sdr/ASAA2023092645334.md): Unknown · unknown · Sep 26, 2023 · N408AS · Boeing 737900ER · Fuel Controlling System
  > PER T/C 78273000 IN W/O 1970032, MSG NBR 73-30312 "THE START SWITCH SIGNAL AND ARINC BUS DATA DISAGREE FOR ENGINE 2 DUAL CHANNEL FAULT. ONFLIGHT LEG #2. GROUNDED - YES. PER B737-900 FIM 73-00 TASK 813 ENG #2 STORED FAULT INTERROGATED. NO FAULT NOTED-EEC TEST A
- [SDR ASAA2023092645322](https://openairdocs.org/sdr/ASAA2023092645322.md): Bulb · inoperative · Sep 26, 2023 · N408AS · Boeing 737900ER · Cabin Cooling System
  > RIGHT PACK TEMP SENSOR INOP. GROUNDED - YES. R/R RH PACK TEMPERATURE SENSOR PER REF B737-900 AMM 21-51-60.-OPS CHECK GOOD.
- [SDR ASAA2023082044727](https://openairdocs.org/sdr/ASAA2023082044727.md): Ignition Lead · inoperative · Aug 20, 2023 · N408AS · Boeing 737900ER · Ignition Harness (Distribution)
  > ENGINE #2 FAILED TO START ON LEFT IGNITION. GROUNDED - YES. REMOVED AND REPLACED ENG #2 L/H IGNITER REF B737-900 AMM 74-21-02. AUDIBLE OPS CHECK FAILED. FOUND IGNITION LEAD INOP. REMOVED AND REPLACED IGNITION LEAD L/H SIDE, REF AMM 74-21-02. OPS CHECK GOOD.
- [SDR ASAA2023081644633](https://openairdocs.org/sdr/ASAA2023081644633.md): Unknown · unknown · Aug 16, 2023 · N408AS · Boeing 737900ER · Aircraft Fuel Distribution System
  > #2 AFT FUEL BOOST PUMP LOW LIGHT ILLUMINATED AT THE GATE. BOOST PUMP WAS PLACED TO OFF POSITION IMMEDIATELY. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023080544415](https://openairdocs.org/sdr/ASAA2023080544415.md): Unknown · unknown · Aug 5, 2023 · N408AS · Boeing 737900ER · Autopilot System
  > FO'S COURSE SCREEN ON MCP IS BLANK. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072244215](https://openairdocs.org/sdr/ASAA2023072244215.md): Actuator · leaking · Jul 22, 2023 · N408AS · Boeing 737900ER · Compressor Bleed Control
  > FOUND #2 ENGINE LEAKING FUEL AT GATE. 80 DROPS PER MINUTE FROM LEFT VSV DRAIN. GROUNDED - YES. (RESOLVED ON W/O: 1962420 TASKCARD: N/R-00002) REMOVED CLAMPS OFF HIGH STAGE VALVE IAW 36-11-06-000-801. REMOVED #2 ENG LEFT HAND VSV ACTUATOR IAW AMM 75-31-01-400-
- [SDR ASAA2023070843927](https://openairdocs.org/sdr/ASAA2023070843927.md): Unknown · unknown · Jul 8, 2023 · N408AS · Boeing 737900ER · Fire Protection System
  > ENG 1 OVERHEAT DOES NOT ILLUMINATE DURING TEST. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023061243546](https://openairdocs.org/sdr/ASAA2023061243546.md): Battery Pack · inoperative · Jun 12, 2023 · N408AS · Boeing 737900ER · Emergency Lighting
  > AFT OVERWING EMERGENCY EXIT AND AFT WIND EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED AFT OVER WING EMERGENCY EXIT AND AFT WING EMERGENCY LIGHT IAW B737-900 AMM 33-51-04 AND REPLACED BATTERY PACK IAW AMM 33-51-06. OPS CHK GOOD.
- [SDR ASAA2023061043514](https://openairdocs.org/sdr/ASAA2023061043514.md): Transceiver · failed · Jun 10, 2023 · N408AS · Boeing 737900ER · HF Communications System
  > ON PREFLIGHT CHECK FOUND HF #2 ANNUNCIATING FAIL. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER IN REFERENCE WITH B737-900 AMM 23-11-21-400-801.
- [SDR ASAA2023060943544](https://openairdocs.org/sdr/ASAA2023060943544.md): Unknown · unknown · Jun 9, 2023 · N408AS · Boeing 737900ER · Cabin Cooling System
  > RH PACK LIGHT ILLUM ON MASTER CAUTION RECALL. LIGHT GOES OUT ON MC RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023060243463](https://openairdocs.org/sdr/ASAA2023060243463.md): Modulating Valve · faulted · Jun 2, 2023 · N408AS · Boeing 737900ER · Cabin Cooling System
  > RT PACK LIGHT ILLUM AFTER ENG START ON MASTER CAUTION RECALL. LIGHT EXTINGUISHED ON RESET. GROUNDED - YES. DURING INITIAL EVALUATION PERFORMED PACK TEMP CONTROLLER 1 & 2 BITE IAW FIM 21-62 TASK 801, RAM AIR ACTUATOR FAULT LIGHT ILLUMINATED ON RT TEMP CONTROLL
- [SDR ASAA2023053043416](https://openairdocs.org/sdr/ASAA2023053043416.md): Unknown · unknown · May 30, 2023 · N408AS · Boeing 737900ER · Air Conditioning System
  > RT PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES ON RESET. GROUNDED - YES. ACCOMPLISHED R/H PACK CONTROLLER BITE. RECOVERED RAM AIR ACTUATOR FAULT. ACTUATOR REPLACED TWICE PREVIOUSLY. NO "ACTIVE" RAM AIR ACTUATOR FAULTS. FOUND RAM AIR DOOR DEFLECTOR LINKAG
- [SDR ASAA2023052543362](https://openairdocs.org/sdr/ASAA2023052543362.md): Sense Line · broken · May 25, 2023 · N408AS · Boeing 737900ER · Pneumatic Distribution System
  > AFTER ENGINE START LEFT BLEED AIR DUCT PRESSURE INDICATES 8 PSI, RIGHT BLEED AIR DUCT INDICATES 19 PSI WITH ENGINE POWER AT IDLE, A/C PACKS IN AUTO, AND ENGINE ANTI ICE OFF. GROUNDED - YES. FOUND CONTROL PRESSURE SENSE LINE FROM THE HIGH STAGE REGULATOR BROKEN
- [SDR ASAA2023052343336](https://openairdocs.org/sdr/ASAA2023052343336.md): Actuator · inoperative · May 23, 2023 · N408AS · Boeing 737900ER · Cabin Cooling System
  > RIGHT PACK ILLUMINATED AT 9000 FEET, MASTER CAUTION SYSTEM RESET, NO FURTHER PACK LIGHT. GROUNDED - YES. NOTICED R/H RAM AIR DOOR STUCK IN FLIGHT OPEN POSITION ON WALK AROUND, ACTUATOR HUMMING LOUDLY. BITE CHECK CONFIRMS R/H RAM AIR DOOR. REMOVED RH RAM AIR IN
- [SDR ASAA2023051743259](https://openairdocs.org/sdr/ASAA2023051743259.md): Unknown · unknown · May 17, 2023 · N408AS · Boeing 737900ER · Indicating/Recording System
  > DISPLAY SOURCE 1 MESSAGE IN FLIGHT. GROUNDED - YES. DIVERSION -- PERFORMED B737-900 FIM TASK 31-62-21-020-002, CDS DEUX MAINT / BITE TEST, PASSED.
- [SDR ASAA2023042343041](https://openairdocs.org/sdr/ASAA2023042343041.md): Actuator · faulty · Apr 23, 2023 · N408AS · Boeing 737900ER · Cabin Cooling System
  > RIGHT PACK LIGHT ON RECALL WE GOT A PACK LIGHT MASTER CAUTION. LIGHT EXTINGUISHED ON MASTER CAUTION RESET PER QRH. GROUNDED - YES. REMOVED AND REPLACED RAM AIR INLET ACTUATOR (RH) IAW B737-900 AMM 21-51-21.
- [SDR ASAA2023041742901](https://openairdocs.org/sdr/ASAA2023041742901.md): Unknown · unknown · Apr 17, 2023 · N408AS · Boeing 737900ER · HF Communications System
  > DURING PREFLIGHT HF#2 RADIO SHOWS FAIL IN BOTH ACTIVE & STANDBY WINDOWS. GROUNDED - YES. HF TRANSCEIVER SHOWS LRU FAIL, CYCLED C/B SYS RESTORED AND BITE CK GOOD PER B737-900 FMM 22-11 #801 & COMM CK SUCCESSFUL. GND VERIFICATION SUCCESSFUL.
- [SDR ASAA2023041342843](https://openairdocs.org/sdr/ASAA2023041342843.md): Unknown · unknown · Apr 13, 2023 · N408AS · Boeing 737900ER · Flight Management Computing Hardware System
  > FMC DISAGREE ON GROUND GROUNDED - YES. PERFORMED QRH PROCEDURE AND FMC DISAGREE MESSAGE CLEARED.
- [SDR ASAA2023032442555](https://openairdocs.org/sdr/ASAA2023032442555.md): Unknown · unknown · Mar 24, 2023 · N408AS · Boeing 737900ER · Cabin Temperature Control System
  > AFTER ENGINE START, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. THE LIGHT CLEARS WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE TEST ON BOTH TEMP CONTROLLERS. FOUND # 2 CONTROLLER FLAGGING CONT CAB TRIM VALVE. DID NOT CLEAR. REMOVED CONT CABIN TRIM V
- [SDR ASAA2023032342591](https://openairdocs.org/sdr/ASAA2023032342591.md): Engine · unknown · Mar 23, 2023 · N408AS · Boeing 737900ER · Compressor Bleed Control
  > #1 ENGINE. HPTACC LEAKING, FOUND 34 OF STAGE 3 VSV WITH MISSING BUSHING AND METAL TO METAL CONTACT. REF B737-900 AMM 72-32-00-200-801-F00 STEP (5)(E). (REF LOG PG # 60545547) GROUNDED - YES. REMOVED ENGINE S/N # 963-462 REF ASA W/O #1947346 AND W/O #1947483.
- [SDR ASAA2023032342585](https://openairdocs.org/sdr/ASAA2023032342585.md): Engine · leaking · Mar 23, 2023 · N408AS · Boeing 737900ER · Compressor Bleed Control
  > FUEL LEAKING FROM #1 ENG VENTS/DRAINS. GROUNDED - YES. FOUND #1 ENGINE HPTACC VALVE LEAKING. #1 ENGINE REPLACED, TRANSFERRED TO ASA EBU SHOP W/O 1947483.
- [SDR ASAA2023021841985](https://openairdocs.org/sdr/ASAA2023021841985.md): Unknown · unknown · Feb 18, 2023 · N408AS · Boeing 737900ER · HF Communications System
  > #2 HF DISPLAYS "FAIL FAIL" APPROX 5 SEC AFTER TUNING A FREQ. GROUNDED - YES. COULD NOT DUPLICATE FAIL FAIL MESSAGE PERFORMED B737-900 FIM 23-11 TASK 806 OPS CHECK GOOD. ETOPS GROUND VERIFICATION CELL CALL SUCCESSFUL.
- [SDR ASAA2023020841908](https://openairdocs.org/sdr/ASAA2023020841908.md): Regulator · failed · Feb 8, 2023 · N408AS · Boeing 737900ER · Pneumatic Distribution System
  > "BLEED TRIP OFF" ON DEPARTURE, CLIMBING THROUGH 12,000. RAN QRH PROCEDURE."TRIP RESET " DID NOT RESET. GROUNDED - YES. AIR TURNBACK -- REMOVED AND REPLACED PRSOV B737-900 AMM 36-12-02. REMOVED AND REPLACED HIGH STAGE REGULATOR AMM 36-11-07.
- [SDR ASAA2022120841080](https://openairdocs.org/sdr/ASAA2022120841080.md): Valve · false indication · Dec 8, 2022 · N408AS · Boeing 737900ER · Cabin Temperature Control System
  > CONT CAB ZONE TEMP ILLUMINATED ON TAXI LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 801. FOUND FLT DECK TRIM VALVE LIGHT ILLUMINATED. GREEN GO LIGHT ILLUMINATED WITH VERIFY BUTTON.
- [SDR ASAA2022111240754](https://openairdocs.org/sdr/ASAA2022111240754.md): Spacer · debonded · Nov 12, 2022 · N408AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > PER T/C 78472010 #2 ENG FAN BLADE LUBE SPACERS # 1,6,9,10,11,12,13,16,22, AND 24 ARE DISBONDED. GROUNDED - YES. REPLACED REQUIRED SPACERS THAT WERE DISBONDED WITH NEW PER TASK CARD 78472010.
- [SDR ASAA2022110240636](https://openairdocs.org/sdr/ASAA2022110240636.md): Warning Light · false activation · Nov 2, 2022 · N408AS · Boeing 737990ER · Cabin Temperature Control System
  > ZONE TEMP CONT CAB ILLUMINATED DURING DESCENT, NO MASTER CAUTION. GROUNDED - YES. IAW AMM 21-61-00-700-806-002 NO FAULTS DETECTED AT THIS TIME.
- [SDR ASAA2022102040427](https://openairdocs.org/sdr/ASAA2022102040427.md): Wire Harness · faulted · Oct 20, 2022 · N408AS · Boeing 737900ER · Engine Bleed Air System Wiring
  > PER T/C 78273000 INTERROGATE THE FMC CDU FOR ENGINE FAULTS. FOUND THE FAULT CODE; 75-10592, THE TBV POSITION SIGNAL IS OUT OF RANGE. THE FAULT IS LONG TIME FAULT. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS REF B737-900 AMM 73-21-06-000/400-802-F00. ALL T
- [SDR ASAA2022093040129](https://openairdocs.org/sdr/ASAA2022093040129.md): Fmc · failed · Sep 30, 2022 · N408AS · Boeing 737900ER · Flight Management Computing Hardware System
  > FMC ON BOTH CAPT & FO SIDE WENT AWAY PROVIDED AN MESSAGE TO CORRECT FAULT. USING DATA LOAD SELECTOR. GROUNDED - YES. PERFORMED FMC SYSTEM BITE CHECK IAW B737-900 FIM 34-61 TASK 801 BITE CHECK GOOD.
- [SDR ASAA2022092140030](https://openairdocs.org/sdr/ASAA2022092140030.md): Fmc · warning light · Sep 21, 2022 · N408AS · Boeing 737900ER · Flight Management Computing Hardware System
  > AFTER ENGINE START WE GOT A FMC DISAGREE LIGHT. GROUNDED - YES. PERFORMED FMC DISAGREE PROCEDURES IN ASA QRH PAGE 11.2. LIGHT WENT OUT.
- [SDR ASAA2022090439787](https://openairdocs.org/sdr/ASAA2022090439787.md): Nut Plate · damaged · Sep 4, 2022 · N408AS · Boeing 737990ER · Nacelle/Pylon Structure
  > UPON J9 HARNESS REPLACEMENT FOUND 3:00 O'CLOCK STRUT FAIRING NUTPLATE DAMAGED. GROUNDED - YES. REMOVED AND REPLACED NUTPLATE. REF B737-900 SRM 51-40-02.
- [SDR ASAA2022072939779](https://openairdocs.org/sdr/ASAA2022072939779.md): Unknown · none · Jul 29, 2022 · N408AS · Boeing 737900ER · Fuel Controlling System
  > DURING ASA W/O 1918423 FOUND ENGINE #1 MAINT. MESSAGE #75-10391 THE VSV POSITION SIGNAL IS OUT OF RANGE. LONG TIME FAULT DEFERRED PER ASA T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS REF. B737-900 AMM 73-21-06/401.
- [SDR ASAA2022071439093](https://openairdocs.org/sdr/ASAA2022071439093.md): Starter · sheared · Jul 14, 2022 · N408AS · Boeing 737900ER · Engine Cranking
  > #1 ENG WOULD NOT START, NO N1, START VALVE OPEN LIGHT ILLUM. NOTICED A 10PSI RISE IN DUCT PRESSURE, ETA DISPLAYED, BUT NO SPIN. GROUNDED - YES. REMOVED #1 STARTER REF B737-900 AMM 80-11-01-000-801-F00. INSTALLED NEW #1 STARTER REF AMM 80-11-01-400-F801-F00.
- [SDR ASAA2022071038986](https://openairdocs.org/sdr/ASAA2022071038986.md): Satcom · intermittent · Jul 10, 2022 · N408AS · Boeing 737900ER · HF Communications System
  > SATCOM 1&2 COULD RECEIVE BUT NOT TRANSMIT. GROUNDED - YES. CW SATCOM SYSTEM TEST. LOUD AND CLEAR REPORT GIVEN ON #1 & #2 REF B737-900 AMM 23-15-00-730-801.
- [SDR ASAA2022060138544](https://openairdocs.org/sdr/ASAA2022060138544.md): Connector · faulty · Jun 1, 2022 · N408AS · Boeing 737900ER · Compressor Bleed Control
  > #2 ENGINE EEC LIGHT ILLUMINATES AFTER START. GROUNDED - YES. #2 ENGINE SHOWS FAULT 75-30582, THE TBV DEMAND AND POSITION SIGNALS DISAGREE. PERFORMED ACTUATORS TEST PER B737-900 AMM 71-22-23 TEST 12 TEST FAILS SAME FAULT. ACCOMPLISHED B737-900 FIM 75-23 TASK 80
- [SDR ASAA2022060138527](https://openairdocs.org/sdr/ASAA2022060138527.md): Fuel Line · leaking · Jun 1, 2022 · N408AS · Boeing 737900ER · Engine Fuel Distribution
  > VSV HEAD FUEL LINE LEAKS AT CONNECTION TO #2 ENG HMU. GROUNDED - YES. REPLACED #2 ENG HMU VSV HEAD FUEL LINE, AND UNION. LEAK CHECK GOOD REF B737-900 AMM 73-11-01-400-801-F00 AND B737-900 CMM 73-21-79.
- [SDR ASAA2022053138528](https://openairdocs.org/sdr/ASAA2022053138528.md): Hmu · leaking · May 31, 2022 · N408AS · Boeing 737900ER · Fuel Controlling System
  > #2 ENG FUEL LEAKING FROM HMU AFT CANNON PLUG (HAAU-A) FITTING AT BOTTOM OF HMU. GROUNDED - YES. REMOVED & REPLACED HMU FROM #2 ENG. REF B737-900 AMM 73-21-10.
- [SDR ASAA2022053138513](https://openairdocs.org/sdr/ASAA2022053138513.md): Gasket · leaking · May 31, 2022 · N408AS · Boeing 737990ER · Fuel Controlling System
  > FUEL LEAK #2 ENGINE, TRAIL END TO GATE. GROUNDED - YES. REPLACED GASKET FROM FUEL FLOW METER TO HMU PER B737-900 AMM 73-21-10. NO LEAKS NOTED AT THAT CONNECTION.
- [SDR ASAA2022052838491](https://openairdocs.org/sdr/ASAA2022052838491.md): Bracket · gouged · May 28, 2022 · N408AS · Boeing 737900ER · Turbine Engine Air Inlet Section
  > REF ASA T/C #78472000, #2 ENG INLET AND FAN BLADES- DETAILED INSP FOUND UPPER LH SIDE LWR MOUNT BRACKET FOR TAI VALVE FWD DUCT GOUGED FROM BAD ROD ENDS(M( ALF. GROUNDED - YES. REPLACED UPPER, LWR BRACKET FOR #2 TAI VALVE DUCT. REF B737-900 PBM FIG 6-1.
- [SDR ASAA2022052738507](https://openairdocs.org/sdr/ASAA2022052738507.md): Mount Fitting · gouged · May 27, 2022 · N408AS · Boeing 737900ER · Engine Cranking
  > REF. ASA T/C #78472000 #2 ENGINE INLET AND FAN BLADE - DETAILED INSPECTION: FOUND MOUNT POINT ON AFT I/B SIDE OF LWR DUCT FOR START VALVE GOUGED FROM ROD END BEARING (M). GROUNDED - YES. REMOVED START VALVE LOWER DUCT PER B737-900 PBM FIG. 25-1. INSTALLED SER

Next page: https://openairdocs.org/aircraft/N408AS/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 = 'N408AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N408AS/reports

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