# Service difficulty reports: Boeing 737-405

A list on [Boeing 737-405](https://openairdocs.org/model/boeing-737-405.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 56 reports

- [SDR K11A2026030400372](https://openairdocs.org/sdr/K11A2026030400372.md): Lamp · burned out · Mar 4, 2026 · N732CK · Boeing 737405 · Emergency Lighting
  > EMERGENCY EXIT LIGHT SWITCH NOT ARMED, LIGHT INOPERABLE. LAMP REPLACEMENT PERFORMED IAW B737 AMM 33-51-02, EMERGENCY LIGHT OPS CHECK GOOD, NO DEFECTS FOUND
- [SDR K11A2025062600322](https://openairdocs.org/sdr/K11A2025062600322.md): Control Valve · failed · Jun 26, 2025 · N732CK · Boeing 737405 · Pneumatic Distribution System
  > LT & RT BLEED TRIP OFF & CABIN DEPRESSURE, 2ND EVENT BLEED TRIP OFF LIGHT ON RT PACK ILLUM AFTER ROTATION, BLEED TRIP RESET BUTTON RESET BUT BLEED TRIP OFF LIGHT CAME BACK, PERFORMED BLEED AIR CONTROL SYS OPS TEST, ENG IAW AMM 36-11-05. LT OPS CHKD GOOD. RT NR
- [SDR K11A2025052800320](https://openairdocs.org/sdr/K11A2025052800320.md): A/C Pack · inoperative · May 28, 2025 · N732CK · Boeing 737405 · Cabin Cooling System
  > IN CRUISE AT FL 250 CABIN ALTITUDE CLIMBED ABOVE 10,000, WAS NOT CONTROLLABLE. EMERGENCY DESCENT, CABIN EVENTUALLY DEPRESSURIZED TO AMBIENT PRESSURE BY 9,000. PERFORMED CABIN PRESSURIZATION OPS CHECK OPS CHECK GOOD IAW AMM 21-31-00, NO DEFECTS NOTED. REF DMI
- [SDR K11A2025040500311](https://openairdocs.org/sdr/K11A2025040500311.md): Control Panel · inoperative · Apr 5, 2025 · N732CK · Boeing 737405 · Cabin Pressure Control System
  > CABIN CLIMBED ABOVE 10000 FEET ENROUTE. EMERGENCY PROCEDURE, FOLLOWED THE APPROPRIATE CHECKLIST AND DECLARED AN EMERGENCY DUE TO A PRESSURIZATION ISSUE AND LANDED WITHOUT INCIDENT. 04/05/2024 AT KCVG. FOUND PRESSURE CONTROL PANEL INOP. REMOVED AND REPLACED
- [SDR K11A2024120500294](https://openairdocs.org/sdr/K11A2024120500294.md): Duct · cracked · Dec 5, 2024 · N732CK · Boeing 737405 · Cabin Pressure Control System
  > AT FLIGHT LEVEL 350 CABIN ALTITUDE WARNING LIGHT ILLUMINATED, CABIN BEGAN CLIMBING AT 2000 FPM. CABIN ALTITUDE WENT ABOVE 12000 FEET. R&R CONDITIONED AIR CHECK VALVE SENSE LINE IAW B737 AMM 21-61-25. R&R COMPRESSOR OUTLET PNEUMATIC DUCT IAW B737 AMM 36-19-15.
- [SDR K11A2024100900288](https://openairdocs.org/sdr/K11A2024100900288.md): Engine · no discrepancy · Oct 9, 2024 · N732CK · Boeing 737405 · Engine (Turbine/Turboprop)
  > MULTIPLE BIRD STRIKES DEPARTING RWY 27 IN KCVG AT 200 FOOT ALT. SMELL OF BIRDS THROUGH THE PACKS ON RETURN TO KCVG. PERFORMED CONDITIONAL INSPECTION IAW B737-400 AMM 05-51-37. INSPECTION GOOD NO DEFECTS NOTED. PRIOR TO INSPECTION CLEANED THE BIRD REMAINS FROM
- [SDR K11A2024091300283](https://openairdocs.org/sdr/K11A2024091300283.md): Bleed Air Sys · tripped · Sep 13, 2024 · N732CK · Boeing 737405 · Engine Bleed Air System
  > LEFT BLEED TRIP AT FL36. CABIN PRESSURE ALTITUDE BEGAN TO CLIMB. AFTER EXPEDITED DESCENT PRESSED BLEED TRIP RESET, AND THE BLEED TRIP LIGHT EXTINGUISHED. CABIN PRESSURE CONTROLLABLE. PERFORMED ENGINE RUN IAW AMM 71-00-00 AND LEAK CHECK ON ENGINE BLEED SYSTEM
- [SDR K11A2024012700255](https://openairdocs.org/sdr/K11A2024012700255.md): Unknown · unknown · Jan 30, 2024 · N732CK · Boeing 737405 · Flight Control System
  > ABORTED TAKE OFF AIRCRAFT SPEED BELOW 60 KTS, AIRCRAFT PULLS LEFT
- [SDR K11A2023110400236](https://openairdocs.org/sdr/K11A2023110400236.md): Unknown · unknown · Nov 4, 2023 · N732CK · Boeing 737405 · Cabin Pressure Controller
  > AUTO PRESSURE FAIL ON TAKEOFF. REMOVED INSPECTED, CLEANED AND REINSTALLED AUTO PRESSURE CONTROLLER IAW AMM CH 20-10-07, PERFORMED PRESSURIZATION CHECK IAW AMM CH 21-31-10 OPS CHECK GOOD NO DEFECTS NOTED AT THIS TIME.
- [SDR K11A2023060100210](https://openairdocs.org/sdr/K11A2023060100210.md): Skin · unknown · Jun 1, 2023 · N732CK · Boeing 737405 · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN COMING FROM UNDER EXISTING REPAIR AT STA 727D-727E / STR 23R-25R REPAIRED IAW B737-400 SRM 53-00-01 FIG 201, DETAIL X, XI
- [SDR K11A2023013000180](https://openairdocs.org/sdr/K11A2023013000180.md): Warning Light · false activation · Jan 30, 2023 · N732CK · Boeing 737405 · Door Warning System
  > MAIN CARGO DOOR LIGHT ILLUMINATED IN FLIGHT. PERFORMED OPS CHECK OF MAIN CARGO DOOR IAW AEI CARGO CONVERSION B737 AMM 52-37-01, OPS CHECK GOOD, DOOR VERIFIED LOCK ON GROUND, NO DEFECTS NOTED.
- [SDR K11A2022120100168](https://openairdocs.org/sdr/K11A2022120100168.md): Structure · chafed · Nov 4, 2022 · N732CK · Boeing 737405 · Trailing Edge Flaps
  > LH WING OTB MID FLAP HAS EVIDENCE OF CHAFING APPROX 24 IN FROM THE MOST IB SIDE
- [SDR K11A2022120100167](https://openairdocs.org/sdr/K11A2022120100167.md): Floorbeam · corroded · Nov 3, 2022 · N732CK · Boeing 737405 · Fuselage Main, Floor Beam
  > FWD LAV FLOOR APROX STA 312 APROX LBL 15 - LBL 35 FLOOR BEAM UPPER CHORD HAS EVIDENCE OF CORROSION
- [SDR K11A2022122200175](https://openairdocs.org/sdr/K11A2022122200175.md): Thrust Reverser · delaminated · Oct 31, 2022 · N732CK · Boeing 737405 · Engine Thrust Reverser
  > #2 ENGINE R/H TR HAS AREA OF DELAMINATION ON INTERNAL LINER
- [SDR K11A2022052100126](https://openairdocs.org/sdr/K11A2022052100126.md): Light · illuminated · May 21, 2022 · N732CK · Boeing 737405 · Cargo/Baggage Doors
  > MAIN CARGO DOOR LIGHT ILLUMINATED IN FLIGHT. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: PERFORMED OPS CHECK OF MAIN CARGO DOOR IAW AEI CARGO CONVERSION B737 AMM 52-37-01, OPS CHECK GOOD, DOOR VERIFIED LOCK ON GROUND, NO MORE DEFECTS NOTED.
- [SDR K11A2021120900103](https://openairdocs.org/sdr/K11A2021120900103.md): Switch · out of adjust · Dec 9, 2021 · N732CK · Boeing 737405 · Doors
  > MAIN CARGO DOOR LIGHT ILLUMINATED AT CRUISE ALTITUDE. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: CLEANED AND ADJUSTED TORQUE TUBE LATCH LOCK SWITCH IAW AEI B737-300-400 MM SUP 52-33-01, OPS CHECK GOOD NO DEFECTS NOTED
- [SDR K11A2021120600100](https://openairdocs.org/sdr/K11A2021120600100.md): Sensor · out of limits · Dec 6, 2021 · N732CK · Boeing 737405 · Flight Control System
  > LEADING EDGE SLAT NUMBER 5 SHOWS FULL EXT. WITH SLATS RETRACTED. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: REMOVED AND REPLACED PROX SENSOR ON #5 SLAT FWD POSITION DOWN POSITION IAW B737 AMM 27-88-11 OPS CHECK GOOD AT THIS TIME
- [SDR K11A2021081800065](https://openairdocs.org/sdr/K11A2021081800065.md): Skin · cracked · Jun 16, 2021 · N732CK · Boeing 737405 · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN @ A DOME NUT HOLE STA 530 BETWEEN STR 27L & 28L
- [SDR K11A](https://openairdocs.org/sdr/K11A.md): Fitting · cracked · Jun 13, 2021 · N732CK · Boeing 737405 · Wing Main, Frame Structure
  > CRACK IN FITTING R/W AFT SPAR MLG SUPPORT BEAM FITTING 1 HOLE
- [SDR K11A2021081800064](https://openairdocs.org/sdr/K11A2021081800064.md): Skin · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE SKIN @ CHEM MILL AREA STA 518 BELOW STR 13L
- [SDR K11A2021081800062](https://openairdocs.org/sdr/K11A2021081800062.md): Intercostal · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CRACK IN INTERCOSTAL STA 277 STR 14R FWD TRIMOUT RACIOUS
- [SDR K11A2021081800061](https://openairdocs.org/sdr/K11A2021081800061.md): Intercostal · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CRACK IN INTERCOSTAL STA 291 STR 13R
- [SDR K11A2021081800060](https://openairdocs.org/sdr/K11A2021081800060.md): Intercostal · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CRACK IN INTERCOSTAL STA 291 STR 11R & 12R
- [SDR K11A2021081800059](https://openairdocs.org/sdr/K11A2021081800059.md): Intercostal · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CRACK IN INTERCOSTAL STA 291 STR 10R
- [SDR K11A2021081800058](https://openairdocs.org/sdr/K11A2021081800058.md): Intercostal · cracked · Jun 9, 2021 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CRACK IN INTERCOSTAL STA 291 STR 11R
- [SDR K11A2021091300073](https://openairdocs.org/sdr/K11A2021091300073.md): Spar · cracked · May 13, 2021 · N732CK · Boeing 737405 · Wing Spar
  > CRACK IN RIGHT WING REAR SPAR BEHIND MLG BEAM SUPPORT FITTING
- [SDR K11A2021011600036](https://openairdocs.org/sdr/K11A2021011600036.md): Power Supply · no test · Jan 16, 2021 · N732CK · Boeing 737405 · Emergency Lighting
  > DURING TERM SERVICE CHECK FOUND RT EMERGENCY LIGHTS INOPERABLE. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: R & R RIGHT HAND EMERGENCY LIGHT POWER SUPPLY, IAW B737 AMM 33-51-51. OPERATIONS CHECK GOOD.
- [SDR K11A202008110007](https://openairdocs.org/sdr/K11A202008110007.md): Skin · cracked · Aug 7, 2020 · N732CK · Boeing 737405 · Fuselage Main, Plate/Skin
  > CRACK IN FUSELAGE FOUND FWD OF THE AFT CARGO DOOR AT APPROXIMATELY STATION 727E
- [SDR K11A2020060863201](https://openairdocs.org/sdr/K11A2020060863201.md): Buss Protection · defective · Jun 6, 2020 · N732CK · Boeing 737405 · Electrical Power System
  > ON TAKEOFF THE LANDING GEAR WAS UNABLE TO BE RAISED AND THE AUTOPILOT COULD NOT BE ENGAGED
- [SDR K11A2019081273206](https://openairdocs.org/sdr/K11A2019081273206.md): Web · cracked · Jul 14, 2019 · N732CK · Boeing 737405 · Fuselage Main, Structure
  > CRACK IN NLG W/W WEB L/H SIDE BS 259
- [SDR K11A2019081273203](https://openairdocs.org/sdr/K11A2019081273203.md): Crossbeam · cracked · Jul 12, 2019 · N732CK · Boeing 737405 · Cargo/Baggage Doors
  > AFT LOWER CARGO DOOR CROSS BEAM E FWD LOWER T-CHORD HAS 3 INCH CRACK
- [SDR K11A2019081273205](https://openairdocs.org/sdr/K11A2019081273205.md): Frame · worn · Jul 11, 2019 · N732CK · Boeing 737405 · Nacelle/Pylon, Main Frame
  > #2 ENGINE PYLON LOWER EDGE HAS WORN FWD CLOSEOUT FRAME @ INLET COWL INTERFACE
- [SDR K11A2019081273204](https://openairdocs.org/sdr/K11A2019081273204.md): Frame · worn · Jul 11, 2019 · N732CK · Boeing 737405 · Nacelle/Pylon, Main Frame
  > NR 1 ENGINE PYLON @ FWD LOWER EDGE HAS WORN FWD CLOSEOUT FRAME @ INLET COWL INTERFACE
- [SDR K11A2019081273202](https://openairdocs.org/sdr/K11A2019081273202.md): Floor Support · cracked · Jun 28, 2019 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > MAIN DECK LONGITUDINAL FLOORBEAM UPPER CHORD CRACKED
- [SDR K11A2019081273201](https://openairdocs.org/sdr/K11A2019081273201.md): Light · inoperative · Jun 11, 2019 · N732CK · Boeing 737405 · Emergency Lighting
  > EMERGENCY LIGHTS AT THE R1 DOOR ARE INOPERATIVE.
- [SDR K11A2019030501](https://openairdocs.org/sdr/K11A2019030501.md): Switch · dirty · Mar 5, 2019 · N732CK · Boeing 737405 · Door Warning System
  > IN CRUISE THE CARGO DOOR LIGHT CAME ON THE CAPTAIN AND FIRST OFFICERS PANEL AT FLIGHT LEVEL 350. DESCENDENT AND DIVERTED TO KLIT. FOLLOWED QRH. NOTE: CABIN PRESSURIZATION STAYED NORMAL. OXYGEN MASKS USED BY ALL CREW MEMBERS ON DESCENT. AROUND 11500 FT CAPTAIN
- [SDR K11A2018091373201](https://openairdocs.org/sdr/K11A2018091373201.md): Skin · dented · Sep 13, 2018 · N732CK · Boeing 737405 · Horizontal Stabilizer, Plate/Skin
  > ON PRE-FLIGHT FOUND LARGE DENT ON THE RIGHT HORIZONTAL STABILIZER LEADING EDGE. R&R RIGHT HORIZONTAL STABILIZER LEADING EDGE IAW SRM 55-10-13.
- [SDR K11A2018073009](https://openairdocs.org/sdr/K11A2018073009.md): Bulkhead · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Bulkhead
  > CRACK INDICATION FWD SIDE BULKHEAD WEB INBOARD & OUTBOARD OF STRAP OF ACFT BS 178 LBL 5.7 WL 212.
- [SDR K11A2018060508](https://openairdocs.org/sdr/K11A2018060508.md): Bulkhead · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Bulkhead
  > CRACK INDICATION FED BULKHEAD SIDE INBOARD & OUTBOARD SIDES OF STRAP OF THE ACFT BS 178 RBL 5.7 WL 210 &212.
- [SDR K11A2018060107](https://openairdocs.org/sdr/K11A2018060107.md): Beam · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Bulkhead
  > CRACK IN THE PRESSURE BULKHEAD VERTICAL BEAM WEB STA 178 AT RBL 17.1 WL 226 STA 179 OF THE ACFT.
- [SDR K11A201805306](https://openairdocs.org/sdr/K11A201805306.md): Beam · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Bulkhead
  > CRACK ON PRESSURE BULKHEAD VERTICAL BEAM WEB AT STA 178 AT RBL 17.1 WL 182 STA 181.
- [SDR K11A2018062305](https://openairdocs.org/sdr/K11A2018062305.md): Frame · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Frame
  > CRACK FOUND ON BELT FRAME STA 360 APPROX 1.6" BELOW STRINGER 20 RT OF ACFT.
- [SDR K11A2018060704](https://openairdocs.org/sdr/K11A2018060704.md): Bulkhead · cracked · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Main, Bulkhead
  > CRACK AT THE MAIN DECK BULKHEAD LOWER SURROUND STA 1016 OF ACFT.
- [SDR K11A2018060603](https://openairdocs.org/sdr/K11A2018060603.md): Web · corroded · Jul 30, 2018 · N732CK · Boeing 737405 · Fuselage Miscellaneous Structure
  > CORROSION MAIN DECK FLOOR WEB AT FLOOR LEVEL STA 827-847 OF ACFT.
- [SDR K11A2018031773201](https://openairdocs.org/sdr/K11A2018031773201.md): Proximity Switch · out of adjust · Mar 17, 2018 · N732CK · Boeing 737405 · Door Warning System
  > DURING THE FIRST TAKEOFF ATTEMPT, HAD A FWD ENTRY DOOR LIGHT ILLUMINATE ALMOST IMMEDIATELY AFTER BRAKE RELEASE. REJECTED THE TAKEOFF. A PROXIMITY SWITCH WAS NEEDED TO BE ADJUSTED CLOSER TO THE DOOR ACTUATOR TO PREVENT THE LIGHT FROM COMING ON DURING TAKEOFF
- [SDR K11A2018012073201](https://openairdocs.org/sdr/K11A2018012073201.md): Warning Light · false activation · Jan 20, 2018 · N733CK · Boeing 737405 · Central Warning
  > ABORTED TAKEOFF, AFTER MASTER CAUTION RED LIGHT ILLUMINATED FOR 2 SECONDS THEN WENT OFF. PILOT TAXIED OFF, RAN APPROPRIATE CHECKLIST THEN REQUESTED ANOTHER TAKE OFF. AIRCRAFT HAD NO MORE INDICATION PROBLEMS WITH MASTER CAUTION LIGHT FOR THE REST OF THE FLIGHT
- [SDR K11A2017120973201](https://openairdocs.org/sdr/K11A2017120973201.md): Door · out of adjust · Dec 9, 2017 · N732CK · Boeing 737405 · Passenger/Crew Doors
  > TAKEOFF FROM BDL RUNWAY HEADING TO 4000 FEET. ON CLIMB OUT BECAME AWARE OF LOUD NOISE FROM BEHIND FLIGHT DECK. WAS INFORMED BY MECHANIC THAT L1 WAS LEAKING AIR. AT THIS TIME NOTICE CABIN WAS NOT PRESSURISING. ASKED AND WAS CLEARED BY DEPARTURE TO MAINTAIN 4
- [SDR K11A2017110673201](https://openairdocs.org/sdr/K11A2017110673201.md): Landing Gear · malfunctioned · Nov 6, 2017 · N732CK · Boeing 737405 · Landing Gear Retraction/Extension System
  > TAKEOFF ROLL WAS UNEVENTFUL. DURING THE ROTATION, FELT A SHAKING IN THE LEFT REAR OF THE AIRCRAFT IMMEDIATELY BEFORE LIFTOFF. THE SHAKING STOPPED ONCE AIRBORNE. FELT LIKE THE AIRCRAFT WAS SKIPPING TO THE SIDE DUE TO A LITTLE SIDE LOAD FROM THE CROSSWIND. T
- [SDR K11A2017081673202](https://openairdocs.org/sdr/K11A2017081673202.md): Lamp · inoperative · Aug 16, 2017 · N732CK · Boeing 737405 · Emergency Lighting
  > RIGHT EMERGENCY SLIDE LIGHT INOPERATIVE. REPLACED THE LAMPS IN THE EMERGENCY LIGHT IAW AMM 31-51-22. OPS CHECKED GOOD IAW AMM 33-51-51.
- [SDR K11A2017081673201](https://openairdocs.org/sdr/K11A2017081673201.md): Lamp · inoperative · Aug 16, 2017 · N732CK · Boeing 737405 · Emergency Lighting
  > L1 ENTRY DOOR EMERGENCY EXIT LIGHT INOPERATIVE, REPLACED THE LAMPS IN THE EMERGENCY LIGHT IAW AMM 31-51-11, OPS CHECKED GOOD.

Next page: https://openairdocs.org/model/boeing-737-405/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 = '737405'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-737-405/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.