# Service difficulty reports: N440AS

A list on [N440AS](https://openairdocs.org/aircraft/N440AS.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 · 298 reports

- [SDR ASAA2026082368244](https://openairdocs.org/sdr/ASAA2026082368244.md): Slide · unserviceable · Aug 23, 2026 · N440AS · Boeing 737990ER · Escape Slide
  > FA REPORTS RUBBER SEAL FALLING FROM L2 DOOR & HINDERING GIRT BAR. GROUNDED - YES. R&R L2 DOOR ESCAPE SLIDE WITH A SERVICEABLE UNIT REF AMM 25-66-01.
- [SDR ASAA2025053058375](https://openairdocs.org/sdr/ASAA2025053058375.md): Door · binding · May 30, 2025 · N440AS · Boeing 737990ER · Passenger/Crew Doors
  > FA REPORTS L1 DOOR DIFFICUT TO OPEN. GROUNDED - YES. FORCE TO OPEN L1 DOOR WITHIN LIMITS REF AMM 52-11-00.
- [SDR ASAA2024122954918](https://openairdocs.org/sdr/ASAA2024122954918.md): Sign · out of position · Dec 29, 2024 · N440AS · Boeing 737990ER · Emergency Lighting
  > 16A EMERGENCY EXIT SIGN POINTING WRONG WAY. GROUNDED - YES. REMOVED AND REPLACED 16A WITH CORRECTLY POINTING EXIT SIGN REF AMM 33-51-01. OPS CHECK OK.
- [SDR ASAA2024103153731](https://openairdocs.org/sdr/ASAA2024103153731.md): Baffle · cracked · Oct 31, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO FOUND BAFFLE CRACKED AT LH 500 TO 500A. GROUNDED - YES. REMOVED AND REPLACED BAFFLE AT L/H 500 TO 500A IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101553624](https://openairdocs.org/sdr/ASAA2024101553624.md): Doubler · cracked · Oct 15, 2024 · N440AS · Boeing 737990ER · Fuselage Main, Structure
  > EXTERNAL POWER DOOR 114AR LOWER LATCH DOES FULLY LOCK WITH DOOR CLOSED, MARKED. GROUNDED - YES. UPON FURTHER EVALUATION FOUND DOUBLER TO BE CRACKED RPEAIRED EXTERNAL POWER DOOR (114AR) LANDING IAW BOEING 737-900 SRM 53-10-15-2R-4.
- [SDR ASAA2024101353418](https://openairdocs.org/sdr/ASAA2024101353418.md): Floorbeam · corroded · Oct 13, 2024 · N440AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > AFT WET AREA STA 967 FLOOR BEAM HAS CORROSION AT FLOOR PANEL ATTACH HOLES RBL 6 TO LBL 45. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1 REPAIRED DAMAGE IAW B737-900ER SRM 53-00-51-2R-1W:2 O:.125 R:.104 L:3 D:
- [SDR ASAA2024101353417](https://openairdocs.org/sdr/ASAA2024101353417.md): Floorbeam · corroded · Oct 13, 2024 · N440AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > AFT WET AREA STA 947 FLOOR BEAM HAS CORROSION AT FLOOR PANEL FASTENER HOLES RBL 6 TO LBL 24. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1 REAPIRED DAMAGE IAW B737-900ER SRM 53-70-51-2R-8W:2 O:.180 R:.132 L:3 D
- [SDR ASAA2024101253661](https://openairdocs.org/sdr/ASAA2024101253661.md): Floorbeam · corroded · Oct 12, 2024 · N440AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > FLOOR BEAM AT STA 328 AND RBL43 CORROSION INFRONT OF SEAT TRACK. GROUNDED - YES. REPAIRED OUT OF LIMITS AREA OF FLOORBEAM STA 328 AND RBL43 IAW BOEING 737-900 SRM 53-10-51-2R-7 W 1.5" O.125 R.100 L 2" D.025.
- [SDR ASAA2024101253524](https://openairdocs.org/sdr/ASAA2024101253524.md): Floorbeam · corroded · Oct 12, 2024 · N440AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > FLOOR BEAM AT STA 294.5 HAS CORROSION AT BL0. GROUNDED - YES. REMOVED CORROSION AT STA 294 BL-0 FLOOR BEAM AND FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-10-51-1A-1. REPAIRED FLOOR BEAM AT STA 294 BL-0 IAW B737-900 SRM 53-10-51-2R-14W.090" O.094" R.072
- [SDR ASAA2024101253416](https://openairdocs.org/sdr/ASAA2024101253416.md): Floor Support · cracked · Oct 12, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT ENTERCOSTAL AT LBL 46 FROM FS 312 TO FS 328 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101253415](https://openairdocs.org/sdr/ASAA2024101253415.md): Floor Support · cracked · Oct 12, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT ENTERCOSTAL AT LBL 46 FROM FS 328 TO FS 344 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153819](https://openairdocs.org/sdr/ASAA2024101153819.md): Web · corroded · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO DOOR CUTOUT LOWER SILL WEB HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1. REMOVED AND REPLACED AFT CARGO DOOR CUTOUT LOWER SILL WEB IAW B737-900ER SRM 51-40-02-0G-0W:2IN O:.045 R:.0
- [SDR ASAA2024101153694](https://openairdocs.org/sdr/ASAA2024101153694.md): Cargo Track · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO R/H CARGO TRACK IS CRACKED AT STA 727I. GROUNDED - YES. REPAIRED CARGO TRACK IAW B737-900ER SRM 53-00-53-2R-3.
- [SDR ASAA2024101153662](https://openairdocs.org/sdr/ASAA2024101153662.md): Transition Panel · corroded · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO R/H TRANSITION HAS AREAS OF CORROSION FROM STA 727B TO 767. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REPAIRED DAMAGE IAW B737-900ER SRM 53-00-53-2R-6W: 2 O:.040 R: 0 L: 3 D:.040.
- [SDR ASAA2024101153640](https://openairdocs.org/sdr/ASAA2024101153640.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME 500K R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500K R/H REMOVED ADN REPALCED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153639](https://openairdocs.org/sdr/ASAA2024101153639.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME 500K R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500K R/H REMOVED ADN REPALCED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153638](https://openairdocs.org/sdr/ASAA2024101153638.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500J R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500J R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153637](https://openairdocs.org/sdr/ASAA2024101153637.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500J R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500J R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153632](https://openairdocs.org/sdr/ASAA2024101153632.md): Support Angle · corroded · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO SUPPORT ANGLE UNDER FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REMOVED AND REPLACED ANGLE IAW B737-900ER SRM 51-40-02-0G-0 & 51-40-05-0G-0W: 1" O:.050" R: 0 L: 2" D:.050".
- [SDR ASAA2024101153631](https://openairdocs.org/sdr/ASAA2024101153631.md): Shield · corroded · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO DOOR CUTOUT FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REMOVED AND REPALCED SHIELD IAW B737-900ER SRM 51-40-02-0G-0 & 51-40-05-0G-0W=1" O=.050 R=.044 L=4" D=.006.
- [SDR ASAA2024101153627](https://openairdocs.org/sdr/ASAA2024101153627.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO BAFFLE CLIP CRACKED ON FWD SIDE OF FRAME STA 500I R/H. GROUNDED - YES. FWD CARGO BAFFLE CLIP REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153626](https://openairdocs.org/sdr/ASAA2024101153626.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500K L/H. GROUNDED - YES. FWD CARGO 500K L/H 2EA BAFFLE CLIPS REMOVED AND REPALCED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153625](https://openairdocs.org/sdr/ASAA2024101153625.md): Baffle · cracked · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500K L/H. GROUNDED - YES. FWD CARGO 500K L/H 2EA BAFFLE CLIPS REMOVED AND REPALCED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024101153623](https://openairdocs.org/sdr/ASAA2024101153623.md): Angle · corroded · Oct 11, 2024 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO L/H TRANSITION HAS AREAS OF CORROSION FROM STA 727A TO 727J. GROUNDED - YES. REPAIRED AFT CARGO L/H TRANSITION PANEL FROM STA 727A-727J IAW B737-900 SRM 53-00-53-2R-5W=3" O=.040" R=0 L=4" D=.040".
- [SDR ASAA2024073051472](https://openairdocs.org/sdr/ASAA2024073051472.md): Light · damaged · Jul 30, 2024 · N440AS · Boeing 737990ER · Emergency Lighting
  > FLUORESCENT FLOOR LIGHTING COVER BROKE OFF AT THE END UP IN FIRST CLASS 6 INCHES OF THE A/C LEFT SIDE. GROUNDED - YES. (RESOLVED ON W/O: 2012170 TASKCARD: N/R-00001) REMOVED AND REPLACED DAMAGED FLOOR PROXIMITY PHOTOLUMINESCENT STRIP AT FIRST CLASS, A/C LEFT
- [SDR ASAA2024070950926](https://openairdocs.org/sdr/ASAA2024070950926.md): Power Supply · inoperative · Jul 9, 2024 · N440AS · Boeing 737990ER · Emergency Lighting
  > LH EMERGENCY LIGHT #3 AND 4 INOP. GROUNDED - YES. RELAMPED BOTH LIGHTS REF AMM 33-51-04. STILL REMAIN INOP. REMOVED AND REPLACED POWER SUPPLY M1670 REF AMM 33-51-06. OPS CHK OK.
- [SDR ASAA2023120446510](https://openairdocs.org/sdr/ASAA2023120446510.md): Power Supply · inoperative · Dec 4, 2023 · N440AS · Boeing 737990ER · Emergency Lighting
  > PER T/C 78233008 EMERGENCY LIGHTS ARE INOP AT ROW 4, 9, AND 13. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY POWER SUPPLY M1676 PER WDM 33-51-12-4 OPS TEST GOOD AT ROW 4, 9 AND 13.
- [SDR ASAA2023120446508](https://openairdocs.org/sdr/ASAA2023120446508.md): Power Supply · inoperative · Dec 4, 2023 · N440AS · Boeing 737990ER · Emergency Lighting
  > PER T/C 78233008 EMERGENCY LIGHTS INOP AT L1 DOOR, R2 DOOR, ROW 3, ROW 8.ROW 11, ROW 17, ROW 19, ROW 23 AND ROW 33 AND A/C EXTERIOR R/H AFT OVERWING EXIT, R2 DOOR EXTERIOR, A.C L/H FWD OVERWING EXIT AND L1 DOOR EXTERIOR. GROUNDED - YES. REPLACED EMER. BATTERY
- [SDR ASAA2023110245981](https://openairdocs.org/sdr/ASAA2023110245981.md): Unknown · unknown · Nov 2, 2023 · N440AS · Boeing 737990ER · Flight Management Computing Hardware System
  > #2 FMC INOP.(FAILED DURING FLIGHT, FOLLOWED QRH, NO RECOVERY). GROUNDED - YES. PERFORMED FIM 34-61 TASK 836 INTERMITTEN FAULT, OPS CKS GDOKAY FOR SVC.
- [SDR ASAA2023103145952](https://openairdocs.org/sdr/ASAA2023103145952.md): Unknown · unknown · Oct 31, 2023 · N440AS · Boeing 737990ER · Engine Indicating System
  > DURING T/C 78273000, FND ECONOMIC FAULT 77-10851 ON ENG 1. BOTTOM RT EGT SIGNAL OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101845728](https://openairdocs.org/sdr/ASAA2023101845728.md): Unknown · unknown · Oct 18, 2023 · N440AS · Boeing 737990ER · Engine Temperature Indicating System
  > REF TC 78273000 ENG 1 ECON FAULT 77-20871 THE TOP LEFT EGT SIGNAL IS OUT OF RANGE (T495S4). GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023090644969](https://openairdocs.org/sdr/ASAA2023090644969.md): Unknown · unknown · Sep 6, 2023 · N440AS · Boeing 737990ER · Engine Indicating System
  > REF. TC. 78273000 ENGINE #1 SHOWS ECON. FAULT.77-10841. THE TOP RH EGT SIGNAL IS OUT OF RANGE. T495S1. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00008) PERFORMED ENG 1 EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS:
- [SDR ASAA2023090644968](https://openairdocs.org/sdr/ASAA2023090644968.md): Unknown · unknown · Sep 6, 2023 · N440AS · Boeing 737990ER · Engine Indicating System
  > REF. TC. 78273000 ENGINE #1 SHOWS ECON. FAULT. 77-10851. THE BOTTOM RH EGT SIGNAL IS OUT RANGE. T495S2. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00007) PERFORMED EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS: S1, S2
- [SDR ASAA2023090644966](https://openairdocs.org/sdr/ASAA2023090644966.md): Unknown · unknown · Sep 6, 2023 · N440AS · Boeing 737990ER · Engine Indicating System
  > REF. TC. 78273000 ENGINE #1 SHOWS FAULT ECON. 73-31371. THE UPPER EGT SECTORS READ HIGH. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00009) PERFORMED ENG 1 EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS: S1: 332.76, S2
- [SDR ASAA2023090245005](https://openairdocs.org/sdr/ASAA2023090245005.md): Unknown · unknown · Sep 2, 2023 · N440AS · Boeing 737990ER · Engine Indicating System
  > #1 ENGINE EGT TREND DATA SHOWS DECREASE IN EGTHDM. (#PRI2/ETOPS) TASK CARD 78273000CNR 20230902015. GROUNDED - YES. (RESOLVED ON W/O: 1967695 TASKCARD: N/R-00001) PER FIM TASK 77-05 TASK 801 - PHYSICAL/VISUAL INSPECTION ACCOMPLISHED.REF FIG.301. SHEET.2. - CO
- [SDR ASAA2023062243677](https://openairdocs.org/sdr/ASAA2023062243677.md): Unknown · unknown · Jun 22, 2023 · N440AS · Boeing 737990ER · Detection System
  > APU DET INOP LT ILLUMINATED INFLT QRH PROCEDURES REVIEWED. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023052343330](https://openairdocs.org/sdr/ASAA2023052343330.md): Harness · damaged · May 23, 2023 · N440AS · Boeing 737990ER · Engine Fuel System Wiring
  > WHILE ACCOMPLISHING ASA TASK CARD #8420001 ON ENG#2 FOUND J10 HARNESS DAMAGED AT 9 O'CLOCK ABOVE VSV B CONNECTOR. GROUNDED - YES. REMOVED AND REPLACED J10 WIRE HARNESS. PERFORMED GOOD INSTALLATION TEST REF B737-900 AMM 73-21-06/401.
- [SDR ASAA2023051443231](https://openairdocs.org/sdr/ASAA2023051443231.md): Unknown · unknown · May 14, 2023 · N440AS · Boeing 737990ER · Flight Management Computing Hardware System
  > VTK CAPT SIDE. NO FMX BOTH SIDES. MAP REMAINED ON BOTH SIDES. LASTED APPROX 1 MINUTE. GROUNDED - YES. PERFORMED B737-900 FIM TASK 34-61-00-810-836. APPEARS TO BE AN INTERMITTENT FAULT. NO FURTHER TROUBLESHOOTING PERFORMED.
- [SDR ASAA2023041042838](https://openairdocs.org/sdr/ASAA2023041042838.md): Panel · stuck · Apr 10, 2023 · N440AS · Boeing 737990ER · HF Communications System
  > HF/SAT XFRD BUTTON #1 STUCK IN DOWN POSITION. GROUNDED - YES. REMOVED AND REPLACED HF/SAT TRANSFER PANEL IAW B737-900 AMM 23-15-00-400-804.
- [SDR ASAA2023012301583](https://openairdocs.org/sdr/ASAA2023012301583.md): Modulating Valve · faulted · Jan 20, 2023 · N440AS · Boeing 737990ER · Cabin Cooling System
  > ZONE TEMP CONT CAB INOP. GROUNDED - YES. PERFORMED PACK /ZONE TEMPERATURE CONTROLLER BITE TEST REF B737-900 AMM 21-61-00. PACK CONTROLLER 2 FLAGGED FLIGHT DECK TRIM VALVE ON "BIT" AND " PREV FLT" VERIFY ON BOTH BOXES SHOW GREEN. PER B737-900 FIM 21-62 TASK 832
- [SDR ASAA2023011141536](https://openairdocs.org/sdr/ASAA2023011141536.md): Wire Harness · faulted · Jan 11, 2023 · N440AS · Boeing 737990ER · Engine Fuel System Wiring
  > MAINTENANCE MESSAGE NUMBER 75-20801, T25 SIGNALS DISAGREE SHORT TIME FAULT. NUMBER ONE ENGINE. GROUNDED - YES. REMOVED & REPLACED J9 & J10 HARNESSES. PERFORMED GOOD INSTALLATION TESTS IAW B737-900 AMM 73-21-06.
- [SDR ASAA2023011041519](https://openairdocs.org/sdr/ASAA2023011041519.md): Warning Message · false activation · Jan 10, 2023 · N440AS · Boeing 737990ER · Cabin Temperature Control System
  > CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. LIGHT EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED BITE CK B737-900 FIM 21-62 TASK 801 LEFT CONTROLLER SHOWED FLIGHT DECK TRIM VALVE. FAULT TESTED AND CLEARED ON RESET.
- [SDR ASAA2023010541476](https://openairdocs.org/sdr/ASAA2023010541476.md): Sensor · fault message · Jan 5, 2023 · N440AS · Boeing 737990ER · Fuel Controlling System
  > ENG #1 T25 SIGNALS DISAGREE. MSG NBR: 75-10801. GROUNDED - YES. REPLACED #1 ENGINE PT25 SENSOR. OPS CHECK OK, NO FAULTS FOUND. REF B737-900 AMM 73-21-02-400-801-F00.
- [SDR ASAA2022121941144](https://openairdocs.org/sdr/ASAA2022121941144.md): Support Channel · corroded · Dec 7, 2022 · N440AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD PIT AFT BLKHD LOWER SUPPORT CHANNEL IS EXFOLIATED. GROUNDED - YES. REMOVED FWD CARGO AFT BULKHEAD LOWER SUPPORT RAIL/CHANNEL AND INSTALLED NEW LOWER SUPPORT RAIL/CHANNEL IAW B737-900ER SR,M 51-40-02-0G-0W=1.5 O=0.071 R=0 L=18 D=0.071.
- [SDR ASAA2022120341035](https://openairdocs.org/sdr/ASAA2022120341035.md): Fault Code · false indication · Dec 3, 2022 · N440AS · Boeing 737990ER · Engine (Turbine/Turboprop)
  > WHILE PERFORMING T/C 78273000, FOUND A SHORT TIME FAULT 75-10801 ON NR 1 ENG, T25 SIGNALS DISAGREE GROUNDED - YES. PREFORMED #1 ENG EEC BITE TEST RECENT FAULTS NO FAULTS NOTED IAW AMM 73-21-00-740-803-F00 T-25 SENSORS READ A-16, B-16,60 HARNESS AND SENSOR RES
- [SDR ASAA2022091739987](https://openairdocs.org/sdr/ASAA2022091739987.md): Spacer · debonded · Sep 17, 2022 · N440AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > PER ASA T/C 78472010 #1 ENGINE FAN BLADE LUBE SPACERS # 3,4,6,10,13,15,16,18,19,20,21, AND 22 ARE DISBONDED. GROUNDED - YES. BAD SPACERS REPLACED WITH NEW REF ASA TASKCARD 78472010.
- [SDR ASAA2022082939700](https://openairdocs.org/sdr/ASAA2022082939700.md): Valve · faulty · Aug 29, 2022 · N440AS · Boeing 737990ER · Cabin Temperature Control System
  > AFTER T/O CONT CAB ZONE TEMP LITE ILLUMINATED. RAN QRH AND ZONE TEMP LITE EXTINGUISHED. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 801. PERFORMED BITE OF PZTC. CONTROLLER 2 HAD FLT DECK TRIM VALVE FAULT IN HISTORY. PERFORMED VERIFY A COUPLE TIMES. EACH TIME P
- [SDR ASAA2022081239503](https://openairdocs.org/sdr/ASAA2022081239503.md): Starter Gen · faulty · Aug 12, 2022 · N440AS · Boeing 737990ER · APU Start/Ignition System
  > APU FAULT LIGHT DURING APU START. GROUNDED - YES. REMOVED AND REPLACED STARTER-GENERATOR REF B737-900 AMM 49-41-21.
- [SDR ASAA2022081039476](https://openairdocs.org/sdr/ASAA2022081039476.md): Converter · inoperative · Aug 10, 2022 · N440AS · Boeing 737990ER · APU Start/Ignition System
  > APU FAULT ON START, DID NOT START. GROUNDED - YES. REMOVED AND REPLACED START CONVERTER UNIT REF B737-900 AMM 49-41-61.
- [SDR ASAA2022080739386](https://openairdocs.org/sdr/ASAA2022080739386.md): Autoland Sys · migrated · Aug 7, 2022 · N440AS · Boeing 737990ER · Autopilot System
  > ON CATIII AUTOLAND TO 34R IN SEA WITH CRITICAL AREA CLEAR AT 100', A/C DRIFTED TO RIGHT ON CENTERLINE AND WAS LINED UP WITH RUNWAY EDGE. A/C CORRECTED BACK TO CENTER LINE BUT GOT HIGH ON GLIDESLOPE AND OVER CORRECTED TO CAPTURE PROPER GLIDE PATH AND DID NOT FL

Next page: https://openairdocs.org/aircraft/N440AS/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 = 'N440AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N440AS/reports

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