# Service difficulty reports: N407AS

A list on [N407AS](https://openairdocs.org/aircraft/N407AS.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 · 273 reports

- [SDR ASAA2026022364512](https://openairdocs.org/sdr/ASAA2026022364512.md): Lamp · inoperative · Feb 23, 2026 · N407AS · Boeing 737990ER · Emergency Lighting
  > DURING PDC DISCOVERED LOWER EXIT SIGN LAMP AT ROW 17DEF BROKEN. GROUNDED - YES. REMOVED AND REPLACED LOWER EXIT SIGN LAMP IAW AMM 33-51-01. OPS CHECK GOOD. OK FOR SERVICE.
- [SDR ASAA2025020355715](https://openairdocs.org/sdr/ASAA2025020355715.md): Battery Pack · no test · Feb 3, 2025 · N407AS · Boeing 737900ER · Emergency Lighting
  > REF T/C 78233001: EMERGENCY LIGHT BATTERY PACK M1675 FAILS CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY - BATTERY PACK M1675 REF AMM 33-51-06-960-805. FOUR MIG-51A TAGS INSTALLED AND REMOVED. OPS CHECK GOOD.
- [SDR ASAA2024021647911](https://openairdocs.org/sdr/ASAA2024021647911.md): Power Supply · faulty · Feb 16, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > AFTER LANDING EMERGENCY EXIT LIGHTS AROUND R1 AND 1ST CLASS CABIN CAME ON FOR APPROX 30 SECS TO 1 MINUTE. GROUNDED - YES. VERIFIED DISCREP. AS I WAS REMOVING M2816 EMERGENCY EXIT LIGHT BATTERY PACK, BUMPED BATTERY PACK AGAINST FRAME WORK, DISCREP. LIGHTS CAME
- [SDR ASAA2024021247842](https://openairdocs.org/sdr/ASAA2024021247842.md): Power Supply · malfunctioned · Feb 12, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > REF PREVIOUS REPORTS ON VARIOUS EMERGENCY LIGHTS FLICKERED ON T/O AND CLIMB PRI#1. GROUNDED - YES. (RESOLVED ON W/O: 1989627 TASKCARD: N/R-00001) ACCOMPLISHED REPLACEMENT OF M1676 AND 1672 POWER SUPPLY AND BATTERY. PER TSR715602. SEAMC DAVE. REF AMM 33-51-06
- [SDR ASAA2024021247841](https://openairdocs.org/sdr/ASAA2024021247841.md): Power Supply · malfunctioned · Feb 12, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > AT TAKE OFF AND FOR 1 MINUTE AFTER T/O THEEMERGENCY LIGHTS AT THE R1 DOOR AND A/C RIGHT SIDE FIRST CLASS CABIN CAME ON. NO ABNORMAL FLIGHT DECK INDICATIONS. GROUNDED - YES. REF TSR715602 FOR REPLACEMENT OF PWR SUPPLY AND BATTERY.
- [SDR ASAA2024021247840](https://openairdocs.org/sdr/ASAA2024021247840.md): Light · malfunctioned · Feb 12, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY EXIT LIGHTS LOCATED AT R2 DOOR AND INS FIRST CLASS ABOVE, RIGHT SIDE LIGHT, WHERE THE FORWARD LIFE RAFT IS LOCATED, ACTIVATED INTERMITTENTLY DURING TAKE OFF, AND CLIMB. GROUNDED - YES. PERFORMED EMERGENCY LIGHTS OPS CK PER AMM 33-51-00 OPS CK OK. NO
- [SDR ASAA2024013147632](https://openairdocs.org/sdr/ASAA2024013147632.md): Power Supply · inoperative · Jan 31, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH M1695 INOP. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED GOOD INSTALLATION TEST OF EMERGENCY LIGHTS POWER SUPPLY M1695 PER B737-900ER AMM 33-51-06-960-806, LIGHTS OPERATION GOOD.
- [SDR ASAA2024013147631](https://openairdocs.org/sdr/ASAA2024013147631.md): Power Supply · inoperative · Jan 31, 2024 · N407AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH M1694 INOP. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED GOOD INSTALLATION TEST OF EMERGENCY LIGHTS POWER SUPPLY M1694 PER B737-900ER AMM 33-51-06-960-806, LIGHTS OPERATION GOOD.
- [SDR ASAA2024012347480](https://openairdocs.org/sdr/ASAA2024012347480.md): Intercostal · cracked · Jan 23, 2024 · N407AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > MAIN CABIN INTERCOSTAL P/N 141A5410-12 CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02 AND BOEING DWG 1415400 REV.-.
- [SDR ASAA2024011147479](https://openairdocs.org/sdr/ASAA2024011147479.md): Floor Support · corroded · Jan 11, 2024 · N407AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD PIT FLOOR STA 500L RBL 13.84 IS CORRODED. GROUNDED - YES. EVAL'D CORROSION ON FWD PIT FLOOR SUPPORT STA 500L RBL 13.84. HAS 100% MAT LOSS AND IS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2.4.B.(2). REMOVED & REPLACED WITH NEW FWD PIT FLOOR S
- [SDR ASAA2024010547558](https://openairdocs.org/sdr/ASAA2024010547558.md): Floorbeam · corroded · Jan 5, 2024 · N407AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > FLOOR BEAM STA. 328 RBL HAS CORROSION. FS 328, BL RBL 20, WL 208. GROUNDED - YES. BLENDED CORROSION. ORIG THICKNESS 0.125 IAW B737-900ER SRM 53-10-51-0I-2 AND BAC 1518-1210. REMOVED 0.085, REMAINING THICK 0.040. OUT OF LIMITS IAW B737-900ER SRM 53-10-51-1A-1.
- [SDR ASAA2024010547478](https://openairdocs.org/sdr/ASAA2024010547478.md): Floor Support · cracked · Jan 5, 2024 · N407AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > INTERCOSTAL BETWEEN FLOOR BEAM STA 312 AND 328 LBL 45 HAS CRACK AT NUT PLATE. GROUNDED - YES. REMOVED INTERCOSTAL IAW B737-900ER SRM 51-4-02. LOCATED AND DRILLED NEW PART IAW B737-900ER SRM 51-40-02 AND IAW BAC DWG 141A5400 REV:-. INSTALLED NEW PART IAW B737-9
- [SDR ASAA2024010547477](https://openairdocs.org/sdr/ASAA2024010547477.md): Floor Support · cracked · Jan 5, 2024 · N407AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > INTERCOSTAL BETWEEN FLOOR BEAM STA 344 AND 360 BL 0 HAS CRACK. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT STA 344-360 IAW B737-900ER SRM 51-40-02 AND IAW BAC DWG 141A5400 REV:-
- [SDR ASAA2023123047372](https://openairdocs.org/sdr/ASAA2023123047372.md): Floor Panel · delaminated · Dec 30, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-443 DELAMINATED. GROUNDED - YES. ACCOMPLISHED PERMANENT CLASS A REPAIR OF DELAMINATION ON MAIN CABIN FLOOR PANEL 147A5810-443 IAW ASA B737-900ER SRM 53-00-50-2R-0 REPAIR 7, AND FIG 210.
- [SDR ASAA2024011747354](https://openairdocs.org/sdr/ASAA2024011747354.md): Floor Panel · delaminated · Dec 28, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 141A5810-155 DELAMINATED. GROUNDED - YES. REPAIRED FLOOR PANEL P/N 141A5810-155 IAW B737-900 SRM 53-00-50-1A-1 AND SRM 53-00-50-2R-0.
- [SDR ASAA2024011747353](https://openairdocs.org/sdr/ASAA2024011747353.md): Floor Panel · delaminated · Dec 28, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-444. GROUNDED - YES. REPAIRED PANEL 147A5810-444 WITH CATEGORY A PERMANENT REPAIR IAW B737-900 SRM 53-00-50-1A-1, SRM 53-00-50-2R-0, SRM 53-00-50-2R-7.
- [SDR ASAA2023122847227](https://openairdocs.org/sdr/ASAA2023122847227.md): Floor Panel · delaminated · Dec 28, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-421 DELAMINATED. GROUNDED - YES. COMPLETED WET LAY UP REPAIR ON FLOOR PANEL P/N 147A5810-421 IAW B737-900ER SRM 53-00-50-2R.
- [SDR ASAA2023122747373](https://openairdocs.org/sdr/ASAA2023122747373.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-398 DELAMINATED. GROUNDED - YES. REPAIRED DELAMINATIONS ON PANEL PN: 147A5810-398 IAW B737-900ER SRM 53-00-50-2R-7.
- [SDR ASAA2024011747352](https://openairdocs.org/sdr/ASAA2024011747352.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-109 DELAMINATED. GROUNDED - YES. ACCOMPLISHED PERMANENT CLASS A REPAIR OF DELAMINATED FACE SHEET ON MAIN CABIN FLOOR PANEL 147A5810-109 IAW ASA B737-900ER SRM 53-00-50-2R-0, REPAIR 7, AND FIG 210.
- [SDR ASAA2024011747351](https://openairdocs.org/sdr/ASAA2024011747351.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-439 DELAMINATED. GROUNDED - YES. REPAIRED FLOOR PANEL P/N 147A5810-439 IAW B737-900 SRM 53-00-51-1A-1 AND SRM 53-00-50-2R-0.
- [SDR ASAA202011747350](https://openairdocs.org/sdr/ASAA202011747350.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-398 DELAMINATED. GROUNDED - YES. REPAIRED DELAMINATIONS ON PANEL PN: 147A5810-398 IAW B737-900ER SRM 53-00-50-2R-7.
- [SDR ASAA2023122747040](https://openairdocs.org/sdr/ASAA2023122747040.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-446 DELAMINATED. GROUNDED - YES. EVALUATED AND REPAIRED FLOOR PANEL 147A5810-446 DELAM AND 1 INSERT IAW B737-900ER SRM 53-00-50-1A-1, SRM 53-00-50-2R-0, SRM 53-00-50-2R-7.
- [SDR ASAA2023122747039](https://openairdocs.org/sdr/ASAA2023122747039.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-445 DELAMINATED. GROUNDED - YES. REPAIRED DELAMINATION ON FLOOR PANEL PN 147A5810-445 IAW B737-900ER SRM 53-00-50-2R-7.
- [SDR ASAA2023122747038](https://openairdocs.org/sdr/ASAA2023122747038.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-440 DELAMINATED. GROUNDED - YES. EVALUATED FLOOR PANEL P/N 147A5810-440 AND FOUND MULTIPLE MISSING/PEELING UPPER SURFACE AND 4EA DAMAGED INSERTS REQUIRING REPAIR IAW ASA B737-900ER SRM 53-00-50-1A-1. REPAIRED IAW ASA B737-900ER SRM 53-
- [SDR ASAA2023122747037](https://openairdocs.org/sdr/ASAA2023122747037.md): Floor Panel · delaminated · Dec 27, 2023 · N407AS · Boeing 737900ER · Fuselage Floor Panel
  > FLOOR PANEL P/N 147A5810-477 DELAMINATED. GROUNDED - YES. COMPLETED WET BY UP AND REMOVED AND REPLACED INSERTS 6EA ON FLOOR PANEL P/N 147A5810-477 IAW B737-900ER SRM 53-00-50-2R-0.
- [SDR ASAA2023122347476](https://openairdocs.org/sdr/ASAA2023122347476.md): Baffle · corroded · Dec 23, 2023 · N407AS · Boeing 737990ER · Fuselage Main, Structure
  > AFT PIT R/H BAFFLE STA 747 TO 767 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM BAFFLE PER B737-900ER SRM 53-00-53-1A-2A. ORIG THICKNESS IS.032 PER B737-900ER SRM 53-30-15-0I-1 TABLE 2 REMOVED.009 REMAINING THICKNESS IS.023 AND FOUND TO BE OUT OF LI
- [SDR ASAA2023122347374](https://openairdocs.org/sdr/ASAA2023122347374.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT L/H TRANSITION PANEL STA 727I+9 TO 727L+13 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727I+9 TO 727L+13 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG. THICKNESS.040 IAW B737-900ER SRM 53-60-53-OI-2. 100% MAT LOSS &
- [SDR ASAA2024011747357](https://openairdocs.org/sdr/ASAA2024011747357.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT R/H TRANSITION PANEL STA 727 TO 727E+12 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM R/H TRANSITION AT STA 727-727E+12 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG THICKNESS.040 IAW B737-900ER SRM 53-60-53-OI-2 TABLE 2 100% MAT LOSS AND FOUND TO BE
- [SDR ASAA2024011747356](https://openairdocs.org/sdr/ASAA2024011747356.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT L/H TRANSITION PANEL STA 727 TO 727D+15 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727 TO 727D=15 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIGINAL THICKNESS.040 IAW B737-900ER SRM 53-60-53-OI-2. 100% MAT LOSS & FO
- [SDR ASAA2024011747355](https://openairdocs.org/sdr/ASAA2024011747355.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT L/H TRANSITION PANEL STA 727D+15 TO 727I+9 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727D+15 TO 727I+9 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG THICKNESS.040 IAW B737-900ER SRM 53-60-53-OI-2. 100% MAT LOSS &
- [SDR ASAA2024011747340](https://openairdocs.org/sdr/ASAA2024011747340.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT R/H TRANSITION PANEL STA 727E+12 TO727I+9 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM R/H TRANSITION AT STA 727E TO 727I IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG THICKNESS ".040 IAW B737-900ER SRM 53-60-53-OI-7 TBALE 2 100% MAT LOSS AND FOUND
- [SDR ASAA2024011747339](https://openairdocs.org/sdr/ASAA2024011747339.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT L/H TRANSITION PANEL STA 727L+13 TO 809 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727L+13 TO 809 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIGINAL THICKNESS 0.04 IAW B737-900ER SRM 53-00-53-OI-2 100% MAT LOSS & FOU
- [SDR ASAA2024011747338](https://openairdocs.org/sdr/ASAA2024011747338.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT R/H TRANSITION PANEL STA 727I+9 TO 767 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM R/H TRANSITION AT STA 727+9-767 IAW B737-900ER SRM 2 53-00-53-1A-2.2.D ORIG THICKNESS.040 IAW B737-900ER SRM 53-60-53-OI-2 3 TABLE 2 100% MAT LOSS & FOUND TO BE
- [SDR ASAA2024011747337](https://openairdocs.org/sdr/ASAA2024011747337.md): Angle · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT DOOR SURROUND, FWD SHELD ATTACH ANGLE HAS CORROSION. GROUNDED - YES. EVAULATED THE SHEILD ATTACH ANGLE CORROSION NO ALLOWABLE DAMG LIMITS GIVEN IN B737-900ER SRM REMOVED AND REPLACED NEW PART IAW B737-900ER SRM 51-40-02 AND BOEING DWG #146A8123.
- [SDR ASAA2023122347336](https://openairdocs.org/sdr/ASAA2023122347336.md): Shield · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > AFT PIT DOOR SURROUND, FWD SHEILD HAS CORROSION. GROUNDED - YES. EVAULATED REMOVED CORROSION FROM SHEILD PER B737-900ER SRM 53-00-53-1H-2A ORIG THICKNESS IS.050 PER B737-900ER SRM 53-30-15-OI TABLE 4 REMOVED.007 REMAINING IS.043 AND FOUND TO BE OUT OF LIMIT
- [SDR ASAA2023122347335](https://openairdocs.org/sdr/ASAA2023122347335.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > FWD PIT L/H TRANSITION PANEL STA 500K+6 TO 500L HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE FWD PIT L/H TRANSITION PANEL AT STA 500K+6 TO 500L IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG THICKNESS IS.040 IAW B737-900ER SRM 53-30-53-01-2 TABLE 2. R
- [SDR ASAA2023122347334](https://openairdocs.org/sdr/ASAA2023122347334.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > FWD PIT R/H PANEL STA 500E+2 TO 500H+10 HAS CORROSION. GROUNDED - YES. REMOVED THE CORROSION FROM THE FWD PIT R/H TRANSITION PANEL AT STA 500E+2 TO 500HD+10 IAW B737-900ER SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS.040" IAW B737-900ER SRM 53-30-53-0I-2 TABLE 2.
- [SDR ASAA2023122347333](https://openairdocs.org/sdr/ASAA2023122347333.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > FWD PIT R/H TRANSITION PANEL STA 500H+10 TO 500L HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE FWD PIT R/H TRANSITION PANEL AT STA 500H+10 TO 500L IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG THICKNESS IS.040" IAW B737-900ER SRM 53-30-53-01-2 TABLE 2
- [SDR ASAA2023122347283](https://openairdocs.org/sdr/ASAA2023122347283.md): Transition Panel · corroded · Dec 23, 2023 · N407AS · Boeing 737900ER · Fuselage Miscellaneous Structure
  > FWD PIT R/H PANEL STA 500A+17 TO 500D+7 HAS CORROSION. GROUNDED - YES. REMOVED THE CORROSION FROM THE FWD PIT R/H TRANSITION PANEL AT STA 500A+17 TO 500D+7 IAW B737-900ER SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS.040" IAW B737-900ER SRM 53-30-53-0I-2 TABLE 2.
- [SDR ASAA2023130247582](https://openairdocs.org/sdr/ASAA2023130247582.md): Power Supply · inoperative · Dec 20, 2023 · N407AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS AT 25DEF AND 29DEF ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2627 AND PERFORMED GOOD INSTALLATION TEST PER B737-900ER AMM 33-51-06-960-806, NO DEFECTS NOTED EMERGENCY LIGHTS AT 25DEF AND 29DEF OPERATION NORMAL.
- [SDR ASAA2023121746798](https://openairdocs.org/sdr/ASAA2023121746798.md): Unknown · unknown · Dec 17, 2023 · N407AS · Boeing 737900ER · Emergency Lighting
  > FOUND 2 EMERGENCY AISLE LIGHT INOP WHILE ACCOMPLISHING T/C 78233008 BOTH LIGHT LOCATED ON THE RIGHT ROWS 25 AND 29. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023102845887](https://openairdocs.org/sdr/ASAA2023102845887.md): Unknown · unknown · Oct 28, 2023 · N407AS · Boeing 737900ER · Cabin Temperature Control System
  > AFT CABIN ZONE TEMP LIGHT ILLUMINATED IN FLIGHT, LIGHT EXTINGUISHED WHEN MASTER CAUTION IS RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023102545837](https://openairdocs.org/sdr/ASAA2023102545837.md): Unknown · unknown · Oct 25, 2023 · N407AS · Boeing 737900ER · Flight Management Computing Hardware System
  > DURING DESCENT L FMC FAIL, QRH COMPLIED WITH, FMC REESTABLISHED. AFTER LANDING MULTIPLE FMC DISAGREE MESSAGE POSTED. GROUNDED - YES. PRM MSG PREVIOUS FLT FOR L-FMC, NO HISTORY PAST 30 DAYS. FMC OPERATIONAL TEST PASS REF B737-900 AMM 34-61 TASK 801.
- [SDR ASAA2023100945526](https://openairdocs.org/sdr/ASAA2023100945526.md): Control Unit · faulty · Oct 9, 2023 · N407AS · Boeing 737900ER · DC Generating System
  > ELEC AMBER LIGHT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED TROUBLESHOOTING PER REF FIM 24-31 TASK 801 AND FIM 34-31 TASK 802 AND FOUND SPCU TO BE INOP. REMOVED AND REPLACED SPCU PER AMM 24-34-11-000-801 AND AMM 24-34-11-400-801. OPS CHECK GOOD
- [SDR ASAA2023100945525](https://openairdocs.org/sdr/ASAA2023100945525.md): Unknown · unknown · Oct 9, 2023 · N407AS · Boeing 737900ER · Cabin Temperature Control System
  > ZONE TEMP LIGHT ILLUMINATED ON RECALL CONT CAB EXTINGUISHES ON RESET. GROUNDED - YES. (RESOLVED ON W/O: 1972560 TASKCARD: N/R-00004) PERFORMED FIM TASK 21-62 TASK 801. BITE PROCDURE. ZONE TEMP LIGHT EXTINGUIED. NO LIGHTS ON MASTER RECALL. THIS CLEARS MEL 21-2
- [SDR ASAA2023100545459](https://openairdocs.org/sdr/ASAA2023100545459.md): Sensor · faulty · Oct 5, 2023 · N407AS · Boeing 737900ER · APU Oil System
  > APU FAULT CODE SHOWING - "49-94304 OIL LEVEL SENSOR SHOWS OPEN CIRCUIT FAILURE". GROUNDED - YES. REMOVED AND REPLACED APU OIL LEVEL SENSOR REF B737-900 AMM 49-94-11. LEAK CHECK AND OPC GOOD.
- [SDR ASAA2023091445193](https://openairdocs.org/sdr/ASAA2023091445193.md): Control Valve · faulty · Sep 14, 2023 · N407AS · Boeing 737900ER · Cabin Cooling System
  > TECH SERVICES REQUEST FOLLOW-UP TO LEFT PACK LIGHT WITH PACK SELECTED OFF----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1967218 TASKCARD: N/R-00002) OPENED AND TAGGED 1 CB. LT FLOW CONTROL AND SHUTOOF VALVE REMOVED REF MM TASK
- [SDR ASAA2023091345132](https://openairdocs.org/sdr/ASAA2023091345132.md): Unknown · unknown · Sep 13, 2023 · N407AS · Boeing 737900ER · Cabin Cooling System
  > RIGHT PACK ILLUMINATED ON RECALL. RAN QRH AND PACK LIGHT EXTUINGUISHES ON MC RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091345106](https://openairdocs.org/sdr/ASAA2023091345106.md): Unknown · unknown · Sep 13, 2023 · N407AS · Boeing 737900ER · Cabin Cooling System
  > LEFT PACK LIGHT ILLUMINATED AFTER BLOCKOUT ( ON THE GROUND) AND PRIOR TO THE PACK SWITCH MOVED TO ON. RUN PACK ( TURNED ON) AND ACCOMPLISHED QRH CHECKLIST, PACK LIGHT STILL ILUMINATED. RETURNED TO GATE FOR MAINTENANCE ACTION. GROUNDED - YES. PERFORMED PZTC BI
- [SDR ASAA2023080644430](https://openairdocs.org/sdr/ASAA2023080644430.md): Unknown · unknown · Aug 6, 2023 · N407AS · Boeing 737900ER · Fuel Controlling System
  > NO FUEL FLOW TO # 1 ENGINE DURING START ATTEMPT. GROUNDED - YES. #1 ENG, PERFORMED FUEL FLOW WAS NOT DETECTED DURING START ATTEMPT REF FIM 73-31 TASK 803. PERFORMED EEC BITE REF FIM 73-00 TASK 801. FOUND MESSAGE 73-31551 FF NOT DETECT AT START. IGN R IS FAILED

Next page: https://openairdocs.org/aircraft/N407AS/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 = 'N407AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N407AS/reports

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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.