# Service difficulty reports: Boeing 737-300

A list on [Boeing 737-300](https://openairdocs.org/model/boeing-737-300.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 4 · 183 reports

- [SDR IPXA2026072237604](https://openairdocs.org/sdr/IPXA2026072237604.md): Adapter · chafed · Jul 19, 2026 · N363UP · Boeing 737300 · Nacelle/Pylon Miscellaneous Structure
  > CHAFED BRACKET, NR 2 ENG LT CORE COWL OPEN ROD HOLD BRACKET. REMOVED DAMAGE BRACKETS IAW SRM 51-40-02-0G, REV 55. INSTALLED NEW BRACKETS IAW SRM 51-40-02-0G, REV 55, AND CMM IPL 71-13-23, REV 47.
- [SDR TSAA2026030270001](https://openairdocs.org/sdr/TSAA2026030270001.md): Skin · cracked · Feb 27, 2026 · N360WA · Boeing 737300 · Fuselage Main, Plate/Skin
  > WHILE ACCOMPLISHING SERVICE CHECK, CRACK WAS FOUND. CRACK IS APPROXIMATELY 1 5/8 INCHES LONG, 7 ¼ INCHES AFT OF STA 727D (727D +7 ¼), 12 INCHES FWD OF STA 727E (727E -12), 7 ½ BELOW S-20R, 3 ¾ INCHES AFT OF THE WING-TO-BODY FAIRING, 10 ¾ INCHES ABOVE THE EXIST
- [SDR NACA2025030300001](https://openairdocs.org/sdr/NACA2025030300001.md): Inlet · corroded · Mar 3, 2025 · N304KH · Boeing 737300 · Nacelle/Pylon, Main Frame
  > CORROSION WAS FOUND AT #1 ENG INLET COWL FACE SHEET- INNER SKIN 5 O'CLOCK AREA, L:1.7 INCH, W:1.5 INCH. REPLACED NO. 1 ENG INLET CPWL REF B737 AMM 71-11-01-004-001-C00, REV 100 PME:005115 DATE DUE:MAR.26.2025 200~1000 IN-1BF
- [SDR TSAA202311074109](https://openairdocs.org/sdr/TSAA202311074109.md): Unknown · unknown · Nov 4, 2023 · N301KH · Boeing 737300 · Fuselage Structure (General)
  > DURING ECO 3925, DISCOVERED DENT AT BS 440R APPROX 5" FROM FLOOR, 1 1/4" WIDE, AND 0.07" DEEP.
- [SDR TSAA202311074110](https://openairdocs.org/sdr/TSAA202311074110.md): Unknown · unknown · Nov 4, 2023 · N301KH · Boeing 737300 · Fuselage Structure (General)
  > DURING ECO 3925, DISCOVERED 2 RIVETS MISSING AT BS 360R JUST ABOVE FLOOR BOARD.
- [SDR K11A2023033100202](https://openairdocs.org/sdr/K11A2023033100202.md): Seat Track · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage Main, Attach Fittings
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK AT STA 420 RBL 26" (APPROX) HAS EVIDENCE OF CORROSION.
- [SDR K11A2023032700192](https://openairdocs.org/sdr/K11A2023032700192.md): Unknown · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 344 AND STA 360 LBL 44" HAS EVIDENCE OF CORROSION UNDERNEATH FLANGE ( APPROX 4" IN LENGTH).
- [SDR K11A2023032400189](https://openairdocs.org/sdr/K11A2023032400189.md): Floorbeam · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - FLOOR BEAM AT STA 328 OBL OUT TO LBL 60" AND RBL 60" EVIDENCE OF CORROSION ON TOP AND UNDERNEATH ATTACHMENT HOLES.
- [SDR K11A2022092000164](https://openairdocs.org/sdr/K11A2022092000164.md): None · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - FLOOR BEAM @ STA 294 FROM LBL 8" TO RBL 12" (FROM 0L R/H TO L/H) ON TOP AND UNDERNEATH ATTACHMENT HOLES.
- [SDR K11A2022092000163](https://openairdocs.org/sdr/K11A2022092000163.md): None · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - FLOOR BEAM @ STA 302 RBL 45" HAS EVIDENCE OF CORROSION
- [SDR K11A2022091600160](https://openairdocs.org/sdr/K11A2022091600160.md): None · corroded · Sep 8, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - INTERCOASTAL @ STA 344 LBL 11" HAS EVIDENCE OF CORROSION
- [SDR K11A2023033100201](https://openairdocs.org/sdr/K11A2023033100201.md): Seat Track · corroded · Sep 1, 2022 · N331CK · Boeing 737300 · Fuselage, Seat/Cargo Attach Fittings
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 767 AND STA 727E LBL 60" ( APPROX 35" IN LENGTH) HAS EVIDENCE OF CORROSION.
- [SDR K11A2023033000198](https://openairdocs.org/sdr/K11A2023033000198.md): Seat Track · corroded · Sep 1, 2022 · N331CK · Boeing 737300 · Fuselage Structure (General)
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 767 AND STA 807 LBL 60" (APPROX 30" IN LENGTH) HAS EVIDENCE OF CORROSION.
- [SDR K11A2023033000197](https://openairdocs.org/sdr/K11A2023033000197.md): Seat Track · corroded · Sep 1, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK AT STA 500C RBL 26" HAS EVIDENCE OF CORROSION.
- [SDR K11A2023032700195](https://openairdocs.org/sdr/K11A2023032700195.md): Seat Track · corroded · Sep 1, 2022 · N331CK · Boeing 737300 · Fuselage Main, Attach Fittings
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 767 AND STA 747 RBK 60" (APPROX 5" IN LENGTH) HAS EVIDENCE OF CORROSION.
- [SDR K11A2023033100200](https://openairdocs.org/sdr/K11A2023033100200.md): Seat Track · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage Structure (General)
  > EVIDENCE OF CORROSION ON SEAT TRACK AT STA 5D-480 46 INCHES LEFT OF 0-BL.
- [SDR K11A2023033100199](https://openairdocs.org/sdr/K11A2023033100199.md): Seat Track · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 867 AND STA 847 LBL 25" HAS EVIDENCE OF CORROSION.
- [SDR K11A2023032900196](https://openairdocs.org/sdr/K11A2023032900196.md): Seat Track · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage Structure (General)
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 887 AND STA 867 LBL 58" HAS EVIDENCE OF CORROSION.
- [SDR K11A2023032700194](https://openairdocs.org/sdr/K11A2023032700194.md): Seat Track · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 827 AND STA 847 RBL 44" HAS EVIDENCE OF CORROSION.
- [SDR K11A2023032700193](https://openairdocs.org/sdr/K11A2023032700193.md): Seat Track · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 847 & STA 867 RBL 27" EVIDENCE OF CORROSION.
- [SDR K11A2023032700191](https://openairdocs.org/sdr/K11A2023032700191.md): Unknown · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage Structure (General)
  > FUSELAGE FLOOR STRUCTURE - SEAT TRACK BETWEEN STA 807 AND STA 827 RBL 46" (APPROX 19" IN LENGTH) HAS EVIDENCE OF CORROSION.
- [SDR K11A2022092000161](https://openairdocs.org/sdr/K11A2022092000161.md): None · corroded · Aug 31, 2022 · N331CK · Boeing 737300 · Fuselage, Door Hinge
  > FUSELAGE FLOOR STRUCTURE - FLOOR SUPPORT @ STA 907 LBL 62" HAS EVIDENCE OF CORROSION
- [SDR IXXA2022071502](https://openairdocs.org/sdr/IXXA2022071502.md): Seal Depressor · bent · Jul 15, 2022 · N311AZ · Boeing 737300 · Fuselage Main, Structure
  > SEAL DEPRESSOR BENT AND GOUGED
- [SDR FDEA202207071693](https://openairdocs.org/sdr/FDEA202207071693.md): Frame · cracked · Jul 7, 2022 · N164FE · Boeing 737300 · Nacelle/Pylon, Main Frame
  > #1 PYLON AFT FAIRING MID FRAME IS CRACKED ON UPPER INBD SIDE APPROX NAC STA 330 REPAIRED #1 PYLON AFT FAIRING MID-FRAME UPPER INBOARD CORNER IAW B767 SRM 54-52-71- 2R, REPAIR 4.
- [SDR NACA2022020400001](https://openairdocs.org/sdr/NACA2022020400001.md): Not Reported · not reported · Feb 4, 2022 · N360WA · Boeing 737300 · Fuselage Structure (General)
  > CRACK INDICATIONS AT BS 360+11 @ STRINGER 19R - 11/16 AND 1 3/4 INCHES. BS 727E +12 AND STR 23R - 2 5/16 INCHES. B727D+15 AND STR 23 R - 3 3/4 INCHES. REPAIR PERFORMED IAW SRM 53-00-01 REPAIR 31.
- [SDR NACA2022012200001](https://openairdocs.org/sdr/NACA2022012200001.md): Not Reported · not reported · Jan 22, 2022 · N302KH · Boeing 737300 · Fuselage Main, Longeron/Stringer
  > CRACK FOUND AT BS 867 + 10", STR 3R. 3" LENGTH. CORRECTIVE ACTION PENDING AMOC SIGNOFF.
- [SDR DU4R2021070600083](https://openairdocs.org/sdr/DU4R2021070600083.md): Support · cracked · Jul 6, 2021 · N362NC · Boeing 737300 · Wing Main, Frame Structure
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND RIGHT WING AFT 3678R WTB PANEL SUPPORT IS CHAFED AND CRACKED AT STA. 727 STR. 19 - 20R. S/O 660006 N/R 38690
- [SDR DU4R2021070600082](https://openairdocs.org/sdr/DU4R2021070600082.md): Support Fitting · cracked · Jul 6, 2021 · N362NC · Boeing 737300 · Wing, Landing Gear Attach Fittings
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND MLG SUPPORT FITTING OF RIGHT WING AT HAS CRACK INDICATION IN HOLE #11 AND #12 IN REAR SPAR WEB LAYER. S/O 660006 N/R 38574
- [SDR DU4R2021062300079](https://openairdocs.org/sdr/DU4R2021062300079.md): Angle · cracked · Jun 23, 2021 · N362NC · Boeing 737300 · Trailing Edge Flaps
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND L/H WING #3 FLAP FAIRING HAS TWO CRACKED INTERNAL "L" ANGLES. S/O 660006 N/R 38745
- [SDR DU4R2021030100016](https://openairdocs.org/sdr/DU4R2021030100016.md): Gusset · cracked · Mar 1, 2021 · N302KH · Boeing 737300 · Fuselage, Landing Gear Attach Fittings
  > DURING SCHEDULED INSPECTION AT HAECO, LAKE CITY, FLORIDA FOUND CRACK INDICATION IN BOTH LAYERS OF MLG W/W FWD BULKHEAD RBL6.15 GUSSET HOLE. S/O 660004, N/R 44951
- [SDR DU4R2021030100015](https://openairdocs.org/sdr/DU4R2021030100015.md): Threshold · corroded · Mar 1, 2021 · N302KH · Boeing 737300 · Fuselage Miscellaneous Structure
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND CRACK IN DOOR JAMB THRESHOLD OF AFT CARGO R/H. S/O 660004, N/R 44722
- [SDR DU4R2021030100014](https://openairdocs.org/sdr/DU4R2021030100014.md): Support Angle · corroded · Mar 1, 2021 · N302KH · Boeing 737300 · Fuselage Miscellaneous Structure
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND CORROSION ON BELLY PANEL SUPPORT ANGLE OF L/H W/H AFT WALL STA. 727. S/O 660004, N/R 44334.
- [SDR DU4R2021030100013](https://openairdocs.org/sdr/DU4R2021030100013.md): Support Angle · corroded · Mar 1, 2021 · N302KH · Boeing 737300 · Fuselage Structure (General)
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND CORRODED BELLY PANEL SUPPORT ANGLE AT R/H W/W AFT WALL STA. 727. S/O 660004, N/R 44329
- [SDR DU4R2021022500011](https://openairdocs.org/sdr/DU4R2021022500011.md): Attach Angle · corroded · Feb 25, 2021 · N302KH · Boeing 737300 · Fuselage Main, Structure
  > DURING SCHEDULED INSPECTION AT HAECO LAKE CITY, FLORIDA FOUND FWD CARGO COMPARTMENT, BILGE AREA, RBL 21.8 FLOOR BEAM, FS 500D, BULKHEAD ATTACH ANGLE HAS CORROSION. S/O 660004 N/R 44445.
- [SDR K11A2021022200045](https://openairdocs.org/sdr/K11A2021022200045.md): Skin · cracked · Feb 6, 2021 · N331CK · Boeing 737300 · Fuselage Main, Plate/Skin
  > CRACK ON LT AFT BELLY JUST AFT OF WING TO BODY FAIRING BETWEEN STA 767-787 ABOVE STR L 25.
- [SDR K11A2021022200044](https://openairdocs.org/sdr/K11A2021022200044.md): Skin · cracked · Feb 6, 2021 · N331CK · Boeing 737300 · Fuselage Structure (General)
  > TWO CRACKS ON LT AFT BELLY JUST AFT OF WING TO BODY FAIRING.
- [SDR 2020F00482](https://openairdocs.org/sdr/2020F00482.md): Support Bracket · corroded · Oct 27, 2020 · N303KH · Boeing 737300 · Aileron Control System
  > LEFT WING, REAR SPAR, RSS 130+ -, AILERON CONTROL CABLE PULLEY SUPPORT BRACKET HAS CORROSION.
- [SDR I5EA2019052800034](https://openairdocs.org/sdr/I5EA2019052800034.md): Seal · damaged · May 28, 2019 · N529AU · Boeing 737300 · Wing, Plate/Skin
  > DISCREPANCY: LT WING TOP INSPECTION PANEL LEAKING FUEL DURING FLIGHT. CORRECTIVE ACTION: REPLACED FILLET SEAL AROUND INSPECTION PANEL BETWEEN ACCESS PANELS 2 AND 3 ON UPPER SIDE OF LT WING. REFUELED A/C, NO LEAKS NOTED.
- [SDR 2019F00004](https://openairdocs.org/sdr/2019F00004.md): Switch · dirty · Jan 6, 2019 · Boeing 737300 · Cabin Temperature Sensor
  > NR 1 PACK TRIP OFF WITH NO SUCCESSFUL RESET. HAS BEEN CLEANED OVERHEAT SWITCH ON CONTROL CABIN TEMPERATURE SENSOR AND RESET PACK TRIP OFF LT IAW AMM 21-61-00.
- [SDR 201911160090](https://openairdocs.org/sdr/201911160090.md): Drag Brace · worn · Nov 13, 2018 · Boeing 737300 · Nose/Tail Landing Gear
  > NOSE WHEEL EXCESIVE VIBRATION DURING TAKEOFF. CORRECTIVE ACTION: HAS BEEN REPLACED DRAG BRACE ASSEMBLY IAW AMM 32-21-21.
- [SDR 2018FA0000421](https://openairdocs.org/sdr/2018FA0000421.md): Window · cracked · Oct 13, 2018 · Boeing 737300 · Flight Compartment Windows
  > WINDOW L5 CRACKED IN FLIGHT. CORRECTIVE ACTION: REMOVED AND REPLACED WINDOW L5.
- [SDR TSAA20180326001](https://openairdocs.org/sdr/TSAA20180326001.md): Proximity Switch · malfunctioned · Mar 26, 2018 · N302KH · Boeing 737300 · Leading Edge Slat Control System
  > NR 1OTBD KRUEGER FLAP CAUSING A LEADING EDGE FLAP TRANSIT LIGHT, WITH THE FLAPS IN THE UP POSITION. MX REPLACED THE NR 1 KRUEGER FLAP RETRACT PROXIMITY SWITCH IAW AMM 27-88-11. OPS CHECKED OK.
- [SDR TSAA20171017026](https://openairdocs.org/sdr/TSAA20171017026.md): Not Reported · gouged · Oct 14, 2017 · N301KH · Boeing 737300 · Fuselage Structure (General)
  > AFT CARGO BAY BS 927, CENTER GOUGE REMOVED IAW SRM 51-10-02 AND REPAIRED IAW EO5425.
- [SDR 2017F00106](https://openairdocs.org/sdr/2017F00106.md): Pressure Switch · faulty · Jul 12, 2017 · Boeing 737300 · Passenger Oxygen System
  > AT 15.000 FT OF ALTITUDE THE OVERHEAD (MASTER CAUTION ILLUMINATE AND THE "PASS OXY ON" LIGHT ILLUMINATE THE BLEED AIR CONTROL PANEL SWITCHES WEW IN NORMAL POSITION ALSO THE HIGH ALT LDG SWITCH WAS WHEN POSITION THE LAND ALTITUDE WITH 13.350 FT ALT THE OXY MASK
- [SDR KO0R201707120042](https://openairdocs.org/sdr/KO0R201707120042.md): Frame Splice · corroded · Jul 12, 2017 · N763CK · Boeing 737300 · Fuselage Main, Frame
  > FUSELAGE FRAME AT BS 1480, FACTORY SPLICE AREA, IS CORRODED AT STRINGER 25L
- [SDR 7AHR201706192306](https://openairdocs.org/sdr/7AHR201706192306.md): Support · gouged · Jun 19, 2017 · N457AN · Boeing 737300 · Wing, Landing Gear Attach Fittings
  > LEFT TRUNNION SUPPORT BEAM GOUGED ON TOP - REPAIRED UPPER SURFACE OF L/H TRUNNION SUPPORT BEAM UPPER FLANGE APPROXIMATELY WBL135.505 PER AIR FLIGHT TECHNICAL E.O. 17-019-1300, REV. A.
- [SDR TSAA20170428011](https://openairdocs.org/sdr/TSAA20170428011.md): Wire Harness · severed · Apr 27, 2017 · N303KH · Boeing 737300 · Light System Wiring
  > NOSE GEAR WIRING HARNESS SEVERED. REMOVED TAXI LT HARNESS.
- [SDR TSAA20170402010](https://openairdocs.org/sdr/TSAA20170402010.md): Skin · damaged · Apr 2, 2017 · N303KH · Boeing 737300 · Fuselage Main, Plate/Skin
  > REPAIRED BEYOND LIMITS RT AFT SKIN AT STA 1016, BETWEEN STRINGER 18L AND STRINGER 20L IAW SRM 53-80-01, REPAIR 2, REVISION 113.
- [SDR TSAA20170402009](https://openairdocs.org/sdr/TSAA20170402009.md): Support Fitting · cracked · Apr 2, 2017 · N303KH · Boeing 737300 · Wing, Landing Gear Attach Fittings
  > RT WING, REAR SPAR MAIN LANDING GEAR SUPPORT BEAM, AFT SUPPORT FITTING CRACK REPAIRED IAW SERVICE REQUEST 3-3826102236, REFERENCE FAA FORM 81009-9.
- [SDR TSAA20170402008](https://openairdocs.org/sdr/TSAA20170402008.md): Intercostal · cracked · Apr 2, 2017 · N303KH · Boeing 737300 · Fuselage Miscellaneous Structure
  > CRACKED INTERCOSTAL AT LI DOOR, STA 348, STRINGER 16L. REPLACED WITH NEW SERVICEABLE INTERCOSTAL IAW FIGURE 15 0F SERVICE BULLETIN 737-53A1240, REVISION 2, DATED APRIL 10, 2003 AND SRM 51-40-02, REVISION 113.

Next page: https://openairdocs.org/model/boeing-737-300/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 aircraft_model_key = '737300'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-737-300/reports

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