# Service difficulty reports: N37427

A list on [N37427](https://openairdocs.org/aircraft/N37427.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA2025122312320](https://openairdocs.org/sdr/CALA2025122312320.md): Girt Bar · no discrepancy · Dec 20, 2025 · N37427 · Boeing 737924ER · Emergency Equipment
  > SLIDE ATTACHED TO GIRT BAR AT L1 DOOR NEEDS REPACKING IAW MM 25-66-01-400-801, SECTION D, SUB SECTION D. SLIDE GIRT PLAYOUT DIMENSION IS APPROX WITHIN 11 INCHES, ALL WITHIN LIMITS. OK TO CONTINUE.
- [SDR CALA2025101510107](https://openairdocs.org/sdr/CALA2025101510107.md): Girt Bar · no discrepancy · Oct 14, 2025 · N37427 · Boeing 737924ER · Emergency Equipment
  > EXCESS MATERIAL ON THE BOTTOM OF DOOR 2L. INSPECTED AND MEASURED Z FOLD DIMENSIONS. GIRT MATERIAL LENGTH WITHIN LIMITS REF AMM 25-66-01-400-803 FIG 401.
- [SDR CALA2025092909387](https://openairdocs.org/sdr/CALA2025092909387.md): Door · missing · Sep 27, 2025 · N37427 · Boeing 737924ER · Fluid Service Doors
  > LAVATORY SERVICE DOOR MISSING. PERFORMED INSTALLATION OF WASTE TANK SERVICE DOOR IAW AMM 52-49-01.
- [SDR CALA2025091709001](https://openairdocs.org/sdr/CALA2025091709001.md): Flap · no discrepancy · Sep 13, 2025 · N37427 · Boeing 737924ER · Trailing Edge Flaps
  > FLAP OVERSPEED AT FL10 BY 4 KNOTS. PERFORMED PHASE 1 INSPECTION IAW AMM 05-51-08-210-801. NO DEFECTS FOUND. OK FOR SERVICE
- [SDR CALA2025091008713](https://openairdocs.org/sdr/CALA2025091008713.md): Proximity Sensor · out of limits · Sep 7, 2025 · N37427 · Boeing 737924ER · Door Warning System
  > DOORS CAUTION CONTINUOUS LY ILLUMINATES EVERY FEW SECONDS WITH NO CHANGE IN DOOR STATUS PLACED FWD CARGO INDICATION LIGHT ON MEL,AS REQ. RAN PSEU BITE CHECK REF 32-09 TASK 801 NO FAULTS FOUND INSPECTED DOOR PROXIMITY SENSOR IAW TASK 52-71-31-820-801 FOUND IND
- [SDR CALA2025090408455](https://openairdocs.org/sdr/CALA2025090408455.md): Girt Bar · no discrepancy · Sep 2, 2025 · N37427 · Boeing 737924ER · Emergency Equipment
  > DR 1L GIRT MATERIEL EXCESSIVE NEEDS TO BE RETUCKED REF LG PG 4100455, SLIDE SERVICEABLE, ALL MX DONE IN REF WITH 25-66-01-400-804. ACFT OK FOR SERVICE, NO MX ACTION PERFORMED
- [SDR CALA2025090408454](https://openairdocs.org/sdr/CALA2025090408454.md): Girt Bar · no discrepancy · Sep 2, 2025 · N37427 · Boeing 737924ER · Emergency Equipment
  > MAIN DOOR 1L GURT BAR FLAP UNRAVIELED GIRT BAR Z FOLD IS FOUND TO BE WITHIN LIMITS PER AMM 25-66-01-400-803.
- [SDR CALA2025082208036](https://openairdocs.org/sdr/CALA2025082208036.md): Elec Connector · loose · Aug 20, 2025 · N37427 · Boeing 737924ER · Light System Wiring
  > EMERGENCY EXIT ISLE LIGHTS OUT AT SEATS 4A FOUND LOOSE CONNECTOR UNDER SEAT. RECONNECTED IN REF WITH WDM 33-51-21 OPS CHECK NORMAL IN REF WITH AMM 33-51-00 A/C OK TO CONTINUE.
- [SDR CALA2025080507333](https://openairdocs.org/sdr/CALA2025080507333.md): Power Supply · inoperative · Aug 4, 2025 · N37427 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY RED AND WHITE AISLE LIGHTS AT ROWS 15, 20, 21 DO NOT COME ON BY THE OVERWING EMERGENCY DOOR REF FIM 33-50 TASK 801, REPLACED LAMP ASSEMBLIES IAW AMM 33-51-11-960-802. NO HELP. TESTED NEW LAMP ASSEMBLIES AT DIFFERENT SEAT ROWS, LAMPS WORK. REPLACED
- [SDR CALA2025070306182](https://openairdocs.org/sdr/CALA2025070306182.md): Door · no discrepancy · Jul 1, 2025 · N37427 · Boeing 737924ER · Cargo/Baggage Doors
  > BEFORE EACH DEPARTURE, VERIFY AFFECTED DOOR(S) IS CLOSED, LATCHED AND LOCKED PER MEL CARD 52010 MAINTENANCE PROCEDURE STEP A. - FWD CARGO DOOR HAS BEEN OPENED DUE TO LOADING EXTRA BAGS VERIFIED PER MEL CARD 52010 MAINTENANCE PROCEDURE STEP A.
- [SDR CALA2025061705588](https://openairdocs.org/sdr/CALA2025061705588.md): Anti-Ice Valve · faulted · Jun 14, 2025 · N37427 · Boeing 737924ER · Engine Anti-Icing System
  > LEFT COWL VALVE FAIL CLOSED.FL320 -37C. REMOVED AND REPLACED #1 ENGINE COWL TAI VALVE. OPS CHECK GOOD NO LEAKS. REF AMM 30-21-11.
- [SDR CALA2025032603188](https://openairdocs.org/sdr/CALA2025032603188.md): Warning Light · false activation · Mar 18, 2025 · N37427 · Boeing 737924ER · Central Warning
  > MASTER CAUTION DOOR LIGHT ILLUMINATES SPORADICALLY FOLLOWED FIM 31-52 TASK 801, NO FAULT NOTED AT THIS TIME. NO PREVIOUS HISTORY.
- [SDR CALA2025022002389](https://openairdocs.org/sdr/CALA2025022002389.md): Girt Bar · loose · Feb 16, 2025 · N37427 · Boeing 737924ER · Emergency Equipment
  > GIRT BAR AT MAIN BOARDING DOOR ALSO LOOSE DOOR SLIDE PACKING PROCEDURE Z-FOLD PER 25-66-01
- [SDR CALA2025020302169](https://openairdocs.org/sdr/CALA2025020302169.md): Lamp · no test · Jan 31, 2025 · N37427 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK: OVER WING SLIDE RIGHT HAND FORWARD WILL NOT ILLUMINATE REMOVED AND REPLACED RIGHT HAND OVER WING SLIDE EMERGENCY LIGHT LAMP IAW B737 AMM 33-51-04 OPERATIONAL CHECK GOOD.
- [SDR CALA2024112602956](https://openairdocs.org/sdr/CALA2024112602956.md): Skate Angle · worn · Nov 25, 2024 · N37427 · Boeing 737924ER · Vertical Stabilizer Miscellaneous Structure
  > RIGHT VERTICAL STAB. LOWER AREA OF FUSELAGE (SKATE ANGLE) WORN AT STA 1104+ 3. (DOT 013) (REF AAR N/R 9919671) REPAIRED R/H SKATE ANGLE, BETWEEN STA 1104+1.0" TO STA 1104+4.5" AS PER REF B737 SRM 53-80-71-2R-6, FIG 201.
- [SDR CALA2024112602955](https://openairdocs.org/sdr/CALA2024112602955.md): Skate Angle · worn · Nov 25, 2024 · N37427 · Boeing 737924ER · Vertical Stabilizer Miscellaneous Structure
  > LEFT VERTICAL STAB. LOWER AREA OF FUSELAGE (SKATE ANGLE) WORN AT STA 1104+ 3. (DOT 012) (REF AAR N/R 9919670) REPAIRED L/H SKATE ANGLE, BETWEEN STA 1104-4.5" TO STA 1104+2.0" AS PER REF B737 SRM 53-80-71-2R-6, FIG 201.
- [SDR CALA2024112602957](https://openairdocs.org/sdr/CALA2024112602957.md): Floorbeam · corroded · Nov 24, 2024 · N37427 · Boeing 737924ER · Fuselage Main, Floor Beam
  > AFT WET AREA FLOOR STRUCTURE BEAM AT STA 1016 RBL 35 WITH CORROSION SPOTS ON UPPER SURFACE. (REF AAR N/R 9919511) REPAIRED FLOOR BEAM AT STA 1016 AND RBL 35 ON MAIN CABIN AFT WET AREA AS PER EC/RA 5370-01149.
- [SDR CALA2024111902895](https://openairdocs.org/sdr/CALA2024111902895.md): Web · corroded · Nov 18, 2024 · N37427 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > AFT WET AREA FLOOR STRUCTURE RT WEB (STA 986.5 TO STA 1006 RBL 30) WITH MULTIPLE CORROSION SPOTS AROUND HARD POINT ATTACH AREAS. (REF AAR N/R 9919507) REMOVED AND REPLACED FLOOR SUPPORT WEB ON AFT WET AREA, L/E SIDE BETWEEN STA 986.5 AND 1006, RBL 24.0 TO RBL
- [SDR CALA2024111802884](https://openairdocs.org/sdr/CALA2024111802884.md): Rib · cracked · Nov 13, 2024 · N37427 · Boeing 737924ER · Horizontal Stabilizer, Spar/Rib
  > RIGHT HORIZONTAL STAB FRONT SPAR L/E INTERNAL RIB # 4 STIFFENER # 2 CRACKED @ LOWER L/E RADIUS.MKD DOT 004 REF. AAR N/R:9919663 REPAIRED RIB #4 AT R/HORIZ STAB IN REF B737-900ER SRM 51-40-02-0G-0, DWG 182A2401, DWG 182A4001, SRM 55-10-09-2R-5.
- [SDR CALA2024111402856](https://openairdocs.org/sdr/CALA2024111402856.md): Angle · cracked · Nov 8, 2024 · N37427 · Boeing 737924 · Aerodynamic Fairings
  > R/W FWD WING TO BODY FAIRING I/B OF FIXED L/E SUPPORT ANGLE CRACKED @ FASTENER''S TAIL MKD DOT 025. (REF AAR N/R 9919699) REMOVED AND REPLACED SUPPORT ANGLE AT R/W FWD WING TO BODY FAIRING I/B. REF. B-737-900.SRM.51-40-02 AND DWG 116A3110 REF. AAR N/R:9919699
- [SDR CALA2024082700504](https://openairdocs.org/sdr/CALA2024082700504.md): Tire · separated · Aug 24, 2024 · N37427 · Boeing 737924ER · Tire
  > CREW AND TOWER REPORT #2 MLG TIRE LOST TREAD ON TAKE OFF FROM DEN REMOVED AND REPLACED #2 MLG TIRE PER AMM 32-45-11 PARTS USED: 60-3249-9-0002,QTY:1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1323417 SN OFF 0019 WHEEL, TIRE, AS OFF 60-3249-9-0002 0019 ON 60
- [SDR CALA2023080702446](https://openairdocs.org/sdr/CALA2023080702446.md): Door · missing · Aug 4, 2023 · N37427 · Boeing 737924ER · Fluid Service Doors
  > LAV SVC DOOR REPORTED MISSING AT ARRIVAL ORD SEE LG PG 5360755 FOR CDL LG PG CREATED FOR PDA. LAV SERVICE DOOR PLACED ON CDL MISSING. PLACARD APPLIED LAV SVC DOOR PLACED ON CDL DISPATCH DESK: 17 NAME: PP DATE: 04-AUG-23- APPROVED. REPLACED THE MISSING LAV SERV
- [SDR CALA2022081602082](https://openairdocs.org/sdr/CALA2022081602082.md): Control Rod · out of adjust · Aug 16, 2022 · N37427 · Boeing 737924ER · Passenger/Crew Doors
  > RTO 75 KNTS INDICATED FOR AFT LEFT DOOR LIGHT PER F-A IN AFT CABIN DURING RTO DOOR 2L INNER HANDLE WAS UP HALF WAY BETWEEN CLOSED AND OPEN POSITION. VERIFIED HORIZONTAL CONTROL ROD END IS SECURE AND OPEN AND CLOSE TORQUES ARE WITHIN SPECS. PERFORMED AFT ENTRY
- [SDR CALA2022081002008](https://openairdocs.org/sdr/CALA2022081002008.md): Pump · low pressure · Aug 10, 2022 · N37427 · Boeing 737924ER · Hydraulic Pump (Electric/Engine), Main
  > ENG 1 LOW PRESSURE LIGHT LIGHT ON ENG DRIVEN NO 1 HYDRAULIC PUMP LOW PRESSURE ILLUMINATED IN FLT. RAN QRH PICTURE ADDED. REMOVED ENGINE NUMBER 1 ENGINE DRIVEN HYDRAULIC PUMP(EDP) PER INFO ONLY HYD PUMP INSTALLED UP TO ITEM I. REF AMM 29-11-11-400-801-001. EC
- [SDR CALA2019122102250](https://openairdocs.org/sdr/CALA2019122102250.md): Light · inoperative · Dec 20, 2019 · N37427 · Boeing 737924ER · Emergency Lighting
  > SEAT 29ABC EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED LIGHT ASSY REF AMM 33-51-11 OPS CHECKED GOOD. ACOMPLISHED AN IDT INSPECTION IAW GMM 09-0-05.
- [SDR CALA2019042600648](https://openairdocs.org/sdr/CALA2019042600648.md): Flush Valve · failed · Apr 24, 2019 · N37427 · Boeing 737924ER · Waste Disposal System
  > LAV E BEGAN CONT FLUSH ON CLIMB. TANK INDICATES TOTALLY FULL. CY CLING SWITCH NO EFFECT LOGPAGE LOCKED BY TOMC FOR CORRECTIVE ACTION VERIFICATION. REPLACED TOILET AND SWITCH.
- [SDR CALA2019041200558](https://openairdocs.org/sdr/CALA2019041200558.md): Skin · damaged · Apr 8, 2019 · N37427 · Boeing 737924ER · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN DAMAGE AT STATION 787 BETWEEN STRINGERS 24L AND 25L. 12" LONG 6.5" WIDE. LOCKED FOR FERRY FLIGHT AND REPAIR UNLOCKING LOGPAGE FOR UPDATE STOP DRILLED DAMAGED HOLES, REF SRM 53-001 ALLOWABLE DAMAGE 5, TAPED DAMAGE AREA AS ADVISED BYTOMC. ADD EMP:U
- [SDR CALA2019012800171](https://openairdocs.org/sdr/CALA2019012800171.md): Skin · cracked · Jan 26, 2019 · N37427 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > CRACK INDICATED ON RT HORIZ STAB LOWER INSPAR SKIN AT STA 129.50 APPROX. 16.5" AFT OF LEADING EDGE - CRACK IS APPROX 1.5" IN LENGTH - ENDS OF CRACK VERIFIED WITH EDDY CURRENT AND MARKED REPAIRED CRACK ON RH HORIZ STAB LOWER INSPAR SKIN AT STA 129.50 APPROX 16.
- [SDR CALA2018073001703](https://openairdocs.org/sdr/CALA2018073001703.md): Skin · damaged · Jul 24, 2018 · N37427 · Boeing 737924ER · Fuselage Main, Plate/Skin
  > SUPERTUG TEAM SPOTTED FUSELAGE DAMAGE AT GATE TOW UP. DAMAGE IS LOCATED 42" FWD OF TOP FWD CORNER OF L1 ENTRY DOOR. SHEET METAL DAMAGE LOCATION BETWEEN SL-5 AND SL-6 AT APROX STATION BS 272. DENT MEASURES 1.6" X 1.2" WITH A DEPTH OF.030". GOUGE ON DENT BLENDE
- [SDR CALA2018021600659](https://openairdocs.org/sdr/CALA2018021600659.md): Sign · inoperative · Feb 16, 2018 · N37427 · Boeing 737924ER · Emergency Lighting
  > R2 DOOR FLOOR EMERGENCY EXIT SIGN L1191 INOPERATIVE. REPLACED THE SIGN IAW AMM 33-51-01. OPS CHECKED OK.
- [SDR CALA2017090103007](https://openairdocs.org/sdr/CALA2017090103007.md): Battery Pack · faulty · Sep 1, 2017 · N37427 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS INOPERATIVE, LAST 5 ROWS, L2 DOOR, AND OVERHEAD EXIT SIGN. INSTALLED SERVICABLE CHARGER AND BATTERY. IAW AMM 33-51-06-960-805. TESTED NORMAL.
- [SDR CALA2017072102329](https://openairdocs.org/sdr/CALA2017072102329.md): Battery Pack · discharged · Jul 21, 2017 · N37427 · Boeing 737924ER · Emergency Lighting
  > LT AFT OVERWING EMERGENCY EXIT LIGHT INOP. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY BATTERY PACK AT LOCATION M1670 REF AMM33-51-06. OPS CHECK GOOD.
- [SDR CALA2017041401013](https://openairdocs.org/sdr/CALA2017041401013.md): Battery Pack · discharged · Apr 14, 2017 · N37427 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS FROM ROWS 22-28 INOPERATIVE. REMOVED AND INSTALLED A SERVICEABLE EMERGENCY LIGHT BATTERY PACK FOR ROWS 22-28 REF AMM 33-51-06. OPS CHECK NORMAL
- [SDR CALA2016122301166](https://openairdocs.org/sdr/CALA2016122301166.md): Light · inoperative · Dec 23, 2016 · N37427 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY EXIT SIGN DOES NOT TURN ON 111 EMERGENCY EXIT LIGHT 1L BURNT OUT. RELAMPED OPS OK
- [SDR CALA2016111400917](https://openairdocs.org/sdr/CALA2016111400917.md): Battery · discharged · Nov 14, 2016 · N37427 · Boeing 737924ER · Emergency Equipment
  > EMERGENCY FLASHLIGHT AT 1L IS INOP. REPLACED FLASHLIGHT BATTERY OPS CHECKS GOOD.
- [SDR CALA2016030300136](https://openairdocs.org/sdr/CALA2016030300136.md): Skin · cracked · Feb 29, 2016 · N37427 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL LOWER SKIN AT STAB STATION 101.90, HAS A 1/2 INCH CRACK, LOCATED 19" FROM LE. REPAIRED DAMAGED AREA IAW SRM 55-10-01 REPAIR 11 PART 4 IAW PART 5 TABLE 204.
- [SDR CALA2016030300135](https://openairdocs.org/sdr/CALA2016030300135.md): Skin · cracked · Feb 29, 2016 · N37427 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL LOWER SKIN, AT STAB STATION 101.90, HAS A CRACK LOCATED 28" FROM LE. REPAIRED DAMAGED AREA IAW SRM 55-10-01 REPAIR 11 PART 4 IAW PART 5 TABLE 204.
- [SDR CALA2016022200121](https://openairdocs.org/sdr/CALA2016022200121.md): Skin · dented · Feb 19, 2016 · N37427 · Boeing 737924 · Fuselage Main, Plate/Skin
  > DENT IN ACFT FUSELAGE, FS 747 - 767, BETWEEN STRINGER 20L & 22L. INSTALLED REPAIR IAW ECRA 5331-02075, REF NR 4926906 FOR STRINGER REPAIR.
- [SDR CALA2016022200120](https://openairdocs.org/sdr/CALA2016022200120.md): Stringer · dented · Feb 19, 2016 · N37427 · Boeing 737924 · Fuselage Main, Longeron/Stringer
  > STRINGER 21L, BETWEEN FS 747 & 767, DENTED. REPAIRED IAW ECRA 5331-02075.
- [SDR CALA2015120400974](https://openairdocs.org/sdr/CALA2015120400974.md): Battery Pack · discharged · Dec 3, 2015 · N37427 · Boeing 737924ER · Emergency Lighting
  > CABIN WALK AROUND, 3 BULLNOSE EMER EXIT LIGHTS ON RT SIDE AT 29DEF, 32DEF & 35DEF, INOPERATIVE. TROUBLE SHOT SYS, FOUND BATTERY PACK M2627 FAULTY. R & R BATTERY PACK. SYS CHECKED NORMAL IAW MM 33-51-06.
- [SDR CALA2015120400973](https://openairdocs.org/sdr/CALA2015120400973.md): Structure · cracked · Dec 3, 2015 · N37427 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > STATION 727B AT RBL 45.50", NR 2 FASTENER HOLE EXHIBITS CRACK INDICATION IAW NDTM PART 6 51-00-00 PROCEDURE 16. ACCOMPLISHED REPAIR IAW STATION NR 2 HOLE RBL 45.50" IAW 2009579-1 & ECRA 5320-02643.
- [SDR CALA2013071900507](https://openairdocs.org/sdr/CALA2013071900507.md): Floorbeam · corroded · Jul 15, 2013 · N37427 · Boeing 737924ER · Fuselage Main, Floor Beam
  > MAIN CABIN, FWD WET AREA, BS 270 FROM LBL 11 TO RBL 11 HAS LIGHT SURFACE CORROSION ON TOP SIDE OF FLOORBEAM. BLENDED AREAS TO REMOVE CORROSION AND INSTALLED REPAIR REF. STE PS 1-19 OF EC/RA 5310-01566 REV A.
- [SDR CALA2013071900505](https://openairdocs.org/sdr/CALA2013071900505.md): Skin · cracked · Jul 15, 2013 · N37427 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > RT HORIZONTAL STAB APPROX.5 INCH CRACKED FOUND ON 4TH RIB FROM INBD, JUST PASSED DRAIN HOLE ON INBD SIDE RIVET, L/E STA 105.26 CUT-OUT DAMAGE AND INSTALLED FILLER AND DOUBLER REF SRM 55-10-0 1, REPAIR 11.

## 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 = 'N37427' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N37427/reports

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