# Service difficulty reports: N309AS, cancelled Oct 23, 2025

A list on [N309AS, cancelled Oct 23, 2025](https://openairdocs.org/deregistered/N309AS-2025-10-23.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 · 230 reports

- [SDR ASAA2025042657523](https://openairdocs.org/sdr/ASAA2025042657523.md): Power Supply · inoperative · Apr 26, 2025 · N309AS · Boeing 737990 · Emergency Lighting
  > R1 DOOR DOOR EMERGENCY EXIT LIGHTS ARE INOP SRXR430X. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK AT R1 DOOR POSDITION AND PERFORMED OPS CHECK IAW B 737 AMM 33-51-06-960-805 OPS CHECK GOOD SRXR430X.
- [SDR ASAA2025042657522](https://openairdocs.org/sdr/ASAA2025042657522.md): Power Supply · inoperative · Apr 26, 2025 · N309AS · Boeing 737990 · Emergency Lighting
  > LH SIDE EMERGENCY EXIT LIGHTS UNDER THE OVERHEAD BINS FIRST FOUR ROWS INOP SRXR430X. GROUNDED - YES. REMOVED AND REPLACED LH SIDE EMERGENCY BATTERY PACK AT ROW 7ABC AND PERFORMED OPS CHECK IAW B737 AMM 33-51-06-960-805 OPS CHECK GOOD SRXR430X.
- [SDR ASAA2025041557521](https://openairdocs.org/sdr/ASAA2025041557521.md): Window Frame · cracked · Apr 15, 2025 · N309AS · Boeing 737990 · Fuselage Main, Structure
  > REF L/P 61080680. WHILE PERFORMING WINDOW FRAME INSP (SILL) PER AMM 56-11-11-400-801. FOUND CRACK ON THE RH UPPER WINDOW FRAME (SILL). GROUNDED - YES. PERMANENT REPAIR ACCOMPLISHED ON TC SB737-53-1336-NG-1R REV 01, THIS CLEARS DEFECT 61080683 SEAMC TOMMY NOTIF
- [SDR ASAA2024111453842](https://openairdocs.org/sdr/ASAA2024111453842.md): Aileron Sys · unknown · Nov 14, 2024 · N309AS · Boeing 737990 · Aileron Control System
  > ON DEPARTURE NOTICED EXTENSIVE PLAY IN CONTROL YOKE LATERAL MOVEMENT. BOTH PILOTS CONFIRMED ABNORMAL AILERON FEEL. AILERON FELT AS THOUGH IT WAS STICKING IN POSITION. CONDITION PERSISTED AT ALL SPEEDS FLOWN AND WITH FLAPS UP AND IN THE EXTENDED POSITION. RETUR
- [SDR ASAA2024091852647](https://openairdocs.org/sdr/ASAA2024091852647.md): Cover · detached · Sep 18, 2024 · N309AS · Boeing 737990 · Emergency Lighting
  > EXIT LIGHT COVER CAME OFF NEAR L1 DOOR. GROUNDED - YES. RE-ATTACHED COVER AS REQUIRED.
- [SDR ASAA2024091552574](https://openairdocs.org/sdr/ASAA2024091552574.md): Power Supply · inoperative · Sep 15, 2024 · N309AS · Boeing 737990 · Emergency Lighting
  > INTERIOR EMERGENCY EXIT SIGN OVER R1 DOOR INOP. GROUNDED - YES. RELAMPED SIGN, NO HELP. REMOVED + REPLACED OVHD BATTERY PACK + CHARGER, REF AMM 33-51-06, NO HELP. REPLACED BATTERY PACK A SECOND TIME, OPS NORMAL. OK FOR CONTINUED SERVICE.
- [SDR ASAA2024091552573](https://openairdocs.org/sdr/ASAA2024091552573.md): Power Supply · inoperative · Sep 15, 2024 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY EXIT INTERIOR AISLE LIGHTS ROWS 12-16 DEF INOP. GROUNDED - YES. (RESOLVED ON W/O: 2018478 TASKCARD: N/R-00003) PERFORMED WIRES CHECK FROM D12010 TO D13472 & D13474 ARE GOOD WDM 33-51-13, REPLACED NEW M1695 BATTERY PACK, PERFORMED INSTALLATION TEST N
- [SDR ASAA2024091552572](https://openairdocs.org/sdr/ASAA2024091552572.md): Power Supply · inoperative · Sep 15, 2024 · N309AS · Boeing 737990 · Emergency Lighting
  > INTERIOR EMERGENCY EXIT AISLE LIGHTS ROWS 19-24 LEFT(ABC) INOP. GROUNDED - YES. (RESOLVED ON W/O: 2018478 TASKCARD: N/R-00002) PERFORMED WIRES CHECK FROM D12008 TO D13478, AND D10716 TO 12828 ARE GOOD WDM 33-51-21 & WDM 33-51-13, REPLACED NEW BATTERY PACKS M1
- [SDR ASAA2024091552571](https://openairdocs.org/sdr/ASAA2024091552571.md): Power Supply · inoperative · Sep 15, 2024 · N309AS · Boeing 737990 · Emergency Lighting
  > AFT OVERWING EXTERIOR EMERGENCY EXIT LIGHTS ON L/H + R/H SIDE INOP. GROUNDED - YES. (RESOLVED ON W/O: 2018478 TASKCARD: N/R-00001) REMOVED AND RELAMPED INOP OVERWING EXTERIOR LIGHTS REF AMM 33-51-04. L/H EMERGENCY LIGHTS NOW OPERABLE, R/H AFT OVERWING LIGHT A
- [SDR ASAA2022111840848](https://openairdocs.org/sdr/ASAA2022111840848.md): Reminder · burned · Nov 18, 2022 · N309AS · Boeing 737990 · Flight Compartment Lighting
  > STRONG ELECTRICAL FUMES IN FLIGHT DECK. THIN SMOKE PLUME COMING FROM CAPTAIN'S YOKE BEHIND FLIGHT NUMBER INDICATOR. GROUNDED - YES. REMOVED AND DISASSEMBLED CA'S FLIGHT REMINDER, FINDING BURN MARKS WITHIN ASSEMBLY CASE. INSPECTED AND VERIFIED NO DEFECTS TO SHI
- [SDR ASAA2022021037430](https://openairdocs.org/sdr/ASAA2022021037430.md): Power Supply · inoperative · Feb 10, 2022 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH M1676 DO NOT ILLUMINATE. GROUNDED - YES. REMOVED AND REPLACED M1676 POWER SUPPLY OP CHECK GOOD IAW B737-900 AMM 33-51-06-960-806.
- [SDR ASAA2022020237432](https://openairdocs.org/sdr/ASAA2022020237432.md): Skin · cracked · Feb 2, 2022 · N309AS · Boeing 737990 · Horizontal Stabilizer Structure
  > CRACK FOUND BETWEEN STAB STA. 120.30 AND 129.50 APROX 1.0" LONG. AREA MARKED ON H-STAB LOWER SKIN. GROUNDED - YES. REPAIRED THE R/H HORIZ STAB LWR SKIN PER B737-900 SRM 55-10-01-2R-11.REPAIR IS A CAT "B" AND HAS AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT C
- [SDR ASAA2020021082102](https://openairdocs.org/sdr/ASAA2020021082102.md): Battery Pack · inoperative · Feb 8, 2020 · N309AS · Boeing 737990 · Emergency Lighting
  > 2 AFT R/H AISLE EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1899 S/N 74945, OPS CK IS GOOD IAW B737 NG AMM 33-51-06-960-805.
- [SDR ASAA2020013083010](https://openairdocs.org/sdr/ASAA2020013083010.md): Shear Tie · cracked · Jan 28, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT STA 540+4 LBL 32.40 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020012251925](https://openairdocs.org/sdr/ASAA2020012251925.md): Transition Panel · corroded · Jan 15, 2020 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > AFT CARGO BAY, LEFT TRANSITION PANEL WAS CORRODED OUT OF LIMITS, BS 727L+10 TO 727. GROUNDED - YES. REPAIRED THE TRANSITION PANEL IAW SRM 53-00-53-2R 5.
- [SDR ASAA2020012441951](https://openairdocs.org/sdr/ASAA2020012441951.md): Skin · cracked · Jan 14, 2020 · N309AS · Boeing 737990 · Horizontal Stabilizer, Plate/Skin
  > L/H HORIZ LWR SKIN HAS A CRACK AT STA 120 27 INCHES FWD OF REAR SPAR. GROUNDED - YES. REPAIRED HORIZ STAB LOWER INTERSPAR SKIN IAW 737 900 SRM 55 10 01 2R 11 THIS IS A CAT B REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL FLT. CYCLES WITH A REPEAT INTERVAL
- [SDR ASAA2020020612087](https://openairdocs.org/sdr/ASAA2020020612087.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT RBL 54.60 CRACKED. GROUNDED - YES. REMOVED AND REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020020332048](https://openairdocs.org/sdr/ASAA2020020332048.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT LBL 6.14 CRACKED. GROUNDED - YES. REMOVED/REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020020332047](https://openairdocs.org/sdr/ASAA2020020332047.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT RBL 15.04 CRACKED. GROUNDED - YES. REMOVED/REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020020332046](https://openairdocs.org/sdr/ASAA2020020332046.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT RBL 32.40 CRACKED. GROUNDED - YES. REMOVED AND REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA202001302012](https://openairdocs.org/sdr/ASAA202001302012.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT RBL 6.14 CRACKED. GROUNDED - YES. REMOVED AND REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020012932011](https://openairdocs.org/sdr/ASAA2020012932011.md): Shear Tie · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Internal Mounting Structure
  > CENTER WING BOX UPPER SHEAR TIE AT LBL 15.04 CRACKED. GROUNDED - YES. REMOVED AND REPLACED SHEAR TIE IAW 737 900 SRM 51 40 02 0G 0.
- [SDR ASAA2020012433950](https://openairdocs.org/sdr/ASAA2020012433950.md): Angle · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Main, Bulkhead
  > R/H ESC BAY AFT BULKHEAD STA. 633 UPPER ANGLE IS CRACKED. GROUNDED - YES. REPAIRED BULKHEAD ANGLE IAW 737 900 SRM 57 10 10 2R 5.
- [SDR ASAA2020012431949](https://openairdocs.org/sdr/ASAA2020012431949.md): Angle · cracked · Jan 13, 2020 · N309AS · Boeing 737990 · Fuselage Main, Bulkhead
  > L/H ESC BAY AFT BULKHEAD STA. 633 UPPER ANGLE IS CRACKED. GROUNDED - YES. REPAIRED BULKHEAD ANGLE IAW 737 900 SRM 57 10 10 2R 5.
- [SDR ASAA2018111986894](https://openairdocs.org/sdr/ASAA2018111986894.md): Battery Pack · discharged · Nov 18, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHT EXIT SIGN ABOVE L-2 DOOR, EXIT LOCATOR SIGN AT L-2 DOOR, AND EXTERIOR SLIDE LIGHT AT L-2 DOOR ARE INOP. GROUNDED - YES. REFERENCE B737-900 SSM 33-51-14-102 - REMOVED, REPLACED, AND TESTED M1673 EMERGENCY LIGHT BATTERY PACK PER B737-900 AMM 33-5
- [SDR ASAA2018111986893](https://openairdocs.org/sdr/ASAA2018111986893.md): Lens · broken · Nov 18, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHT EXIT LOCATOR SIGN AT RIGHT FORWARD OVERWING EXIT IS BROKEN. GROUNDED - YES. REMOVED, REPLACED, AND TESTED EXIT LOCATOR SIGN ASSY PER B737-900 AMM 33-51-01-960-802 - OPS NORMAL.
- [SDR ASAA2018111986892](https://openairdocs.org/sdr/ASAA2018111986892.md): Lamp · inoperative · Nov 18, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHT EXIT LOCATOR SIGN AT R-1 DOOR HAS SEVERAL LAMPS INOP. GROUNDED - YES. RELAMPED AND TESTED PER B737-900 AMM 33-51-01-960-801 - OPS NORMAL.
- [SDR ASAA2018111986891](https://openairdocs.org/sdr/ASAA2018111986891.md): Lamp · inoperative · Nov 18, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHT EXIT LOCATOR SIGN AT L-1 DOOR HAS SEVERAL LAMPS INOP. GROUNDED - YES. RELAMPED AND TESTED PER MM 33-51-01-960-801 - OPS NORMAL.
- [SDR ASAA2018080765690](https://openairdocs.org/sdr/ASAA2018080765690.md): Lens · unsecure · Aug 6, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > EMERGENCY LIGHT LENS ON THE RIGHT OVERWING EXIT UNSECURE. ACFT GROUNDED. SECURED THE LENS.
- [SDR ASAA2018040324131](https://openairdocs.org/sdr/ASAA2018040324131.md): Battery Pack · discharged · Apr 3, 2018 · N309AS · Boeing 737990 · Emergency Lighting
  > INTERIOR AND EXTERIOR R2 EMERGENCY LIGHTS COME ON THEN IMMEDIATELY TURN OFF. ACFT GROUNDED. REMOVED AND REPLACED THE M1672 BATTERY PACK. OPS CHECKED GOOD IAW AMM 33-51-06.
- [SDR ASAA2018033124132](https://openairdocs.org/sdr/ASAA2018033124132.md): Skate Angle · worn · Mar 31, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > L/S SKATE ANGLE WORN I/B SIDE AT 323CL AND 324AL APPROX 18 INCHES FWD OF AFT. ACFT GROUNDED. BLENDED THE SKATE ANGLE AND FOUND FROM BS 1016 TO 1101.5 TO BE IN LIMITS AND REPAIRED IAW EA NG-55EA-03820, REV NEW, REPAIR 1
- [SDR ASAA2018031324117](https://openairdocs.org/sdr/ASAA2018031324117.md): Door Frame · cracked · Mar 13, 2018 · N309AS · Boeing 737990 · Fuselage Main, Structure
  > R1 DOOR, BS 294 LOWER DOOR SURROUND CLOSE OUT STRUCTURE CRACKED AT THE BOTTOM ATTACH HOLES. ACFT GROUNDED. ACCOMPLISHED A REPAIR OF THE STUB FRAME IAW EA 900-53-EA-20070.
- [SDR ASAA2018031123986](https://openairdocs.org/sdr/ASAA2018031123986.md): Skin · cracked · Mar 11, 2018 · N309AS · Boeing 737990 · Horizontal Stabilizer, Plate/Skin
  > CRACK, 3.5" AFT OF EXISTING REPAIR, JUST INBOARD OF STAB STA 138.70 RT SIDE. CRACK LENGTH APPROX 1" IN LENGTH. GROUNDED - YES. REMOVED EXISTING DOUBLER ON RT HORIZ STAB IAW SRM 51-40-02. FABRICATED NEW DOUBLER, INCORPORATING NEW AND OLD DOUBLER IN 1 DOUBLER IA
- [SDR ASAA2018031024006](https://openairdocs.org/sdr/ASAA2018031024006.md): Floorbeam · corroded · Mar 10, 2018 · N309AS · Boeing 737990 · Fuselage Main, Floor Beam
  > AFT CABIN FLOORBEAM TEE CAP CORRODED AT BS 947, RBL 50. ACFT GROUNDED. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51. FABRICATED A REPAIR IAW SRM 53-70-51-2R-5. ALODINED IAW SRM 51-20-01. PRIMED IAW SOPM 20-41-02. INSTALLED REPAIR IAW
- [SDR ASAA2018031023984](https://openairdocs.org/sdr/ASAA2018031023984.md): Strap · corroded · Mar 10, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > AFT CABIN, FLOOR STRAP CORRODED. BS 1006 - BS 1018, RBL 3. GROUNDED - YES. REMOVED AND REPLACED FABRICATED FLOOR STRAP P/N 147A5714-4 AT BS 1006, BS 1018 RBL 3 IAW WG 147A5700 REV A AND SRM 51-40-02.
- [SDR ASAA2018031023896](https://openairdocs.org/sdr/ASAA2018031023896.md): Strap · corroded · Mar 10, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > AFT CABIN, FLOOR STRAP CORRODED AT BS 1026, LBL 17. ACFT GROUNDED. REMOVED AND REPLACED THE STRAP IAW DWG 147A5700, REV A, AND SRM 51-40-02.
- [SDR ASAA2018030924102](https://openairdocs.org/sdr/ASAA2018030924102.md): Stringer · corroded · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Main, Longeron/Stringer
  > CORRODED STRINGER 25L IN THE AFT OF AFT CARGO BAY, BS 986 - 1006. ACFT GROUNDED. REMOVED AND REPLACED THE STRINGER IAW SRM 53-00-03-2R-1.
- [SDR ASAA2018030924070](https://openairdocs.org/sdr/ASAA2018030924070.md): Floor Support · corroded · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT CORRODED AT SEVERAL AREAS, BS 294.5 - 328, RBL 58. ACFT GROUNDED. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-10-15. REPLACED IAW SRM 51-40-02, 51-40-05 AND DWG 141A8310.
- [SDR ASAA2018030924069](https://openairdocs.org/sdr/ASAA2018030924069.md): Floor Panel · corroded · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Floor Panel
  > AFT CARGO BAY, RT SIDE FLOOR PANEL HAS SEVERAL NUTPLATES CORRODED BETWEEN BS 767 AND 787. ACFT GROUNDED. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15. FABRICATED A REPLACEMENT IAW DWG 146A0081, REV A, DWG #146A8123, REV--. REMOVED AND
- [SDR ASAA2018030923976](https://openairdocs.org/sdr/ASAA2018030923976.md): Intercostal · cracked · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT, INTERCOSTAL CRACKED BS 294.5 - BS 285, BL 0. GROUNDED - YES. REPLACED INTERCOSTAL BS 294.5 - BS 285, BL 0 P/N 141A5410U3 PO 911662.1 PER BAC DWG 141A5400 REV AG.
- [SDR ASAA2018030923975](https://openairdocs.org/sdr/ASAA2018030923975.md): Transition Panel · corroded · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > AFT PIT RT SIDE FLOOR TRANSITION PANEL HAS SEVERAL NUTPLATE CORRODED BETWEEN STA 727I+8 AND STA 767. GROUNDED - YES. REMOVED CORROSION - ORIG MAT=.040, MAT REMOVED=.013, REMAINING MAT=.027. FOUND TO BE OUT OF LIMITS BY SRM 53-00-53-1A-2. REMOVED AND REPLACED A
- [SDR ASAA2018030923973](https://openairdocs.org/sdr/ASAA2018030923973.md): Transition Panel · corroded · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > AFT PIT LT SIDE FLOOR TRANSITION PANEL FROM STA 727G TO STA 727K HAS CORROSION AT NUTPLATE LOCATIONS. GROUNDED - YES. REMOVED CORROSION ON TRANSITION PANEL AT AFT PIT LT STATION 727G +10, 727I AND 727K +10 WITH 100 PERCENT MAT LOSS. FOUND TO BE OUT OF LIMITS I
- [SDR ASAA2018030923855](https://openairdocs.org/sdr/ASAA2018030923855.md): Floor Support · cracked · Mar 9, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT CRACKED BETWEEN BS 312 & 328, RBL 31. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, AND DRAWING 141AS400, REV.
- [SDR ASAA2018030824064](https://openairdocs.org/sdr/ASAA2018030824064.md): Channel · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > R2 DOOR MOP SILL CORRODED, BS 960 - 996. ACFT GROUNDED. REMOVED CORROSION IAW SRM 53-70-15-1A-1, FIG 103, DET D. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE MOPSILLIAW SRM 51-40-02, DWG 147A8540, REV B. AND DWG 147A8501, REV B.
- [SDR ASAA2018030823992](https://openairdocs.org/sdr/ASAA2018030823992.md): Stiffener · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA BS 947, RBL 50 STIFFENER CORRODED. ACFT GROUNDED. REMOVED IAW SRM 51-40-02. LOCATED AND DRILLED IAW DWG 147A5650, REV A. INSTALLED IAW DWG 147A5650, REV A.
- [SDR ASAA2018030823970](https://openairdocs.org/sdr/ASAA2018030823970.md): Stiffener · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA BS 988, RBL 45 STIFFENER CORRODED. ACFT GROUNDED. REMOVED AND REPLACED THE STIFFENER IAW SRM 51-40-02, AMM 51-21-41, AND DWG 147A5700.
- [SDR ASAA2018030823969](https://openairdocs.org/sdr/ASAA2018030823969.md): Stiffener · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA BS 1016, RBL 28 STIFFENER CORRODED. ACFT GROUNDED. REMOVED THE STIFFENER, LOCATED, DRILLED, AND DEBURED A NEW STIFFENER IAW SRM 51-40-02, AND AMM 51-2-41. INSTALLED THE NEW STIFFENER IAW SRM 51-40-02, AND DWG 147A5700.
- [SDR ASAA2018030823967](https://openairdocs.org/sdr/ASAA2018030823967.md): Strap · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA, BS 1016 - 1020, LBL 2, CORRODED ON STRAP. ACFT GROUNDED. REMOVED AND REPLACED THE STRAP IAW DWG 147A5700, REV A, AND SRM 51-40-02.
- [SDR ASAA2018030823966](https://openairdocs.org/sdr/ASAA2018030823966.md): Strap · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA BS 1016, RBL 20, CORRODED ON STRAP. ACFT GROUNDED. REMOVED, LOCATED, AND DRILLED A NEW STRAP IAW AMM 51-21-41, AND SRM 51-40-02. INSTALLED THE NEW STRAP IAW SRM 51-40-02, AND DWG 147A5700.
- [SDR ASAA2018030823964](https://openairdocs.org/sdr/ASAA2018030823964.md): Strap · corroded · Mar 8, 2018 · N309AS · Boeing 737990 · Fuselage Miscellaneous Structure
  > MAIN CABIN AFT WET AREA BS 1008, LBL 26 CORRODED ON STRAP. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR STRAP IAW DWG 147A5700, REV A, AND SRM 51-40-02.

Next page: https://openairdocs.org/deregistered/N309AS-2025-10-23/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 = 'N309AS' AND deregistration_id = 'N309AS-2025-10-23'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N309AS-2025-10-23/reports

---
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.