# Service difficulty reports: N66837

A list on [N66837](https://openairdocs.org/aircraft/N66837.md).

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

- [SDR CALA2026061617131](https://openairdocs.org/sdr/CALA2026061617131.md): Charger · faulted · Jun 13, 2026 · N66837 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS OPS CHECK FIRST CLASS SEAT EMERGENCY LIGHTS INOPERATIVE. PERFORMED BATTERY SWAP AT BATTERY PACK LOCATIONS M1674, M1675, M1676 AND M2503. NO JOY. FIRST CLASS SEAT EMERGENCY LIGHTS INOP. R & R BATTERY CHARGER M1675. PERFORMED OPS CHECK OF EM
- [SDR CALA2026012613305](https://openairdocs.org/sdr/CALA2026012613305.md): Girt Bar · no discrepancy · Jan 26, 2026 · N66837 · Boeing 737924ER · Standard Practices/Structures
  > 1R GIRT BAR WILL NOT SEAT PROPERLY. DOOR IS DISARMED R1 DOOR GIRT BAR OPS NORMAL REF ESCAPE SLIDE PACK AND COVER INSTALLATIONREFERENCE: TASK 25-66-01-400-803
- [SDR CALA2025120211693](https://openairdocs.org/sdr/CALA2025120211693.md): Transmitter · faulted · Nov 29, 2025 · N66837 · Boeing 737924ER · Hydraulic System, Main
  > HYD NR 1 LOW PRESSURE ILLUMINATED ON DEPARTURE PERFORMED INITIAL EVALUATION IAW FIM 29-30 TASK 812. COULD NOT FIND ANY EXTERNAL HYD LEAKS, SYS RESERVOIR INDICATION WAS LOW & HAS FLUID WITHIN THE TRANSMITTER. SERVICED A SYS WITH 1 GALLON OF HYD WITH NO MOVENT
- [SDR CALA2025112811541](https://openairdocs.org/sdr/CALA2025112811541.md): Light · damaged · Nov 26, 2025 · N66837 · Boeing 737924ER · Emergency Lighting
  > SEAT MOUNTED EMERGENCY LIGHT AT ROW 15ABC PUSHED IN. SWAPPED TO SEAT ROW 24ABC AND PLACED ON MEL 3319E. REMOVED AND REPLACED LAMP ASSY AT 24ABC, OPS CK OK, AMM 33-51-11, OK FOR SERVICE.
- [SDR CALA2025090808593](https://openairdocs.org/sdr/CALA2025090808593.md): Light · no discrepancy · Sep 6, 2025 · N66837 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY AREA LIGHT DOES NOT TURN OFF 34C AREA LIGHTS WILL NOT TURN OFF ROW 34. PERFORMED OPERATIONAL TEST OF THE EMERGENCY LIGHTS USING FLIGHT DECK AND AFT ATTENDANT SWITCHES. BOTH TIMES ALL LIGHTS CAME ON AND TURNED OFF CORRECTLY REF AMM 33-51-00-710-801
- [SDR CALA2025082808217](https://openairdocs.org/sdr/CALA2025082808217.md): Girt Bar · out of limits · Aug 26, 2025 · N66837 · Boeing 737924ER · Emergency Equipment
  > FWD SERVICE DOOR HAS EXCESS SLIDE BAR MATERIAL RESTOWED FLIGHT GIRT BAR SLIDE AS REQUIRED REF 25-66 -00.
- [SDR CALA2025082007947](https://openairdocs.org/sdr/CALA2025082007947.md): Slide · no discrepancy · Aug 16, 2025 · N66837 · Boeing 737924ER · Escape Slide
  > EXCESSIVE AMOUNT OF SLIDE MATERIAL OUTSIDE OF HOUSING AT 1R WITHIN LIMITS, LESS THAN 12 INCHES OUT OF PACK. AMM25-66-01
- [SDR CALA2025071606618](https://openairdocs.org/sdr/CALA2025071606618.md): Web · gouged · Jul 15, 2025 · N66837 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > AFT E&E BAY RT WEB GOUGED. REMOVED DAMAGED IAW SRM 51-10-02, VERIFIED MATERIAL LOSS.007 WITH SCRATCH DEPTH GAUGE, 033 MATERIAL REMAINING. REMOVED DAMAGED WEB IAW SRM 51-40-02. HFEC WAS ACCOMPLISHED IAW NDT PART 6-51-00-00, PROCEDURE 16. NO CRACKS NOTED.
- [SDR CALA2025061905697](https://openairdocs.org/sdr/CALA2025061905697.md): Handle · out of adjust · Jun 17, 2025 · N66837 · Boeing 737924ER · Trailing Edge Flap Control System
  > FLAPS INDICATED 5 WHEN POSITION WAS 15 WITH FLAP HANDLE CREW DEBRIEFED HMCS STATING THE FO AND CA FELT THAT THE FLAPS WERE SET AT 15 WHEN THE FLAPS WERE ACTUALLY SET TO 15. PERFORMED FSEU BITE AND NO FAULTS FOUND ACTIVE OR HISTORICAL CYCLED FLAPS FULL TRAVEL
- [SDR CALA2025061605564](https://openairdocs.org/sdr/CALA2025061605564.md): Lamp · inoperative · Jun 12, 2025 · N66837 · Boeing 737924ER · Emergency Lighting
  > DURING EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK R1 DOOR EMERGENCY LIGHT INOP RELAMPED R1 DOOR EXTERNAL EMEGENCY LIGHT REF AMM TASK 33-51-04-960-801. OPS CHECK GOOD.
- [SDR CALA2025020702238](https://openairdocs.org/sdr/CALA2025020702238.md): Lamp · no test · Feb 6, 2025 · N66837 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - DOOR AFT LEFT EXTERIOR EMERGENCY LIGHT NOT ILLUMINATED. RELAMPED SLIDE LIGHT PER AMM 33-51-00-710-801. OPS CHECK GOOD.
- [SDR CALA2024101700848](https://openairdocs.org/sdr/CALA2024101700848.md): Shutoff Valve · faulted · Oct 13, 2024 · N66837 · Boeing 737924ER · Pneumatic System
  > ENGINE 1 OVERHEAT LIGHT ON CLIMBOUT. SWITCH WAS IN A POSITION W B LOOP ON MEL. REPLCD. ENG AND APU FIRE CONT. PANEL REF AMM26-00-01-400-801, AND ACP APU FIRE DET OPS TEST REF AMM26-15-00-710-801, ENG FIRE DET. OPS TEST REF AMM26-11-00-710-801, FIRE AND OVHT DE
- [SDR CALA2024101600847](https://openairdocs.org/sdr/CALA2024101600847.md): Control Panel · faulted · Oct 13, 2024 · N66837 · Boeing 737924ER · Overheat Detection
  > ENG1 OVHT DOESNT ILLUMINATE DURING TEST REQUEST MEL FOR #1 ENG FIRE LOOP B. LOOP A TESTS NORMAL. HAS HISTORY. MEL 2602C PREVIOUS DEFERRAL REOPENED SEE L/P 9541792 FOR ENG #1 LOOP B REOPENED FOR FURTHER TROUBLESHOOTING PER TOMCENGINE 1 OVERHEAT LIGHT DOES NOT I
- [SDR CALA2024072200263](https://openairdocs.org/sdr/CALA2024072200263.md): Bleed Air Sys · leaking · Jul 17, 2024 · N66837 · Boeing 737900ER · Engine Bleed Air System
  > BLEED TRIP OFF LIGHT COMES ON DURING CLIMB LIGHT NO. 1 LEFT BLEED TRIP OFF IN CLIMB APPROX 8000FTFLAGGED AS SDR REPLACED PRSOV REG REF 36-11-01-400-801. NO HELP. BLEED TRIPPED AFTER 12 MINUTES AT T/O POWER. WOULD NOT RESET FOR 2 MINUTES. NO PRESSURE REDUCTION
- [SDR CALA2024060301668](https://openairdocs.org/sdr/CALA2024060301668.md): Valve · low pressure · May 28, 2024 · N66837 · Boeing 737924ER · Compressor Bleed Valve
  > UNREGULATED LEFT DUCT PRESSURE LOW. BLEED REPORT SHOWS LEFT SIDE DROPPING TO 6PSI DURING CLIMB. REF FIM 36-10 TASK 801 TO TEST BAR PRESSURE ACTUATION AND VERIFY SMOOTH MOVEMENT OF HSV AS A POSSIBLE SOURCE OF OVERPRESSURE. ENSURE SENSE LINES ARE DAMAGE AND LEA
- [SDR CALA2023060201744](https://openairdocs.org/sdr/CALA2023060201744.md): Filter · odor · May 30, 2023 · N66837 · Boeing 737924ER · Air Distribution System
  > CREW REPORTED ODOR IN CABIN. MUST COMPLY WITH AMM 05-51-26-800-801-C1 CHANGE RE-CIRCULATION FILTER(S) (IF NOT PREVIOUSLY ACCOMPLISHED).. ALLOW THE AIRCRAFT''S AIR-CONDITIONING SYSTEM TO RUN ON THE GROUND UNTIL ALL TRACES OF THE SMOKE/ODOR HAVE DISSIPATED. ALSO
- [SDR CALA2023051201488](https://openairdocs.org/sdr/CALA2023051201488.md): Slide · failed · May 10, 2023 · N66837 · Boeing 737900ER · Escape Slide
  > SLIDE AT 1R SLIPPED OUT OF ITS COVER REMOVED AND REPLACED DOOR SLIDE AND PACK ON AIRCRAFT DOOR 1R REF AMM TASK 25-66-01-000-802, TASK 25-66-01-400-804 AND,TASK 25-66-01-400-803. ESCAPE SLIDE RENDER SAFE CHECKLIST PARTS USED: 29-2566-9-0007,QTY:1 ROTABLE P
- [SDR CALA2023042101210](https://openairdocs.org/sdr/CALA2023042101210.md): Speed Brake · warning message · Apr 21, 2023 · N66837 · Boeing 737900ER · Drag Control System
  > SPEED DO NOT ARM LIGHT ILLUM ON T/O AROUND 30KNOTS LOW SPEED REJECT ACCOMPLISHED SPEED BRAKE DO NOT ARM LIGHT TEST REF TASK 27-62-TASK 802. INADDITION PERFORMED INSPECTION WALKAROUND ON AIRCRAFT EXTERIOR. NO FAULTS FOUND. A/C OK FOR SVC.
- [SDR CALA2023013000267](https://openairdocs.org/sdr/CALA2023013000267.md): Sensor · faulted · Jan 29, 2023 · N66837 · Boeing 737924ER · Trailing Flap Position Indicating System
  > LE FLAPS TRANSIT LIGHT ON WHEN SET FLAPS TO 30. SHOWED 28, FOUND FAULT "TE FLAP SNSR R" MSG. REMOVED AND REPLACED TE FLAP POSITION SENSOR. OPS CHECK GOOD AT THIS TIME.
- [SDR CALA2022120703320](https://openairdocs.org/sdr/CALA2022120703320.md): Check Valve · faulted · Dec 7, 2022 · N66837 · Boeing 737924ER · Cabin Pressure Control System
  > PER CREW LEVEL OFF AT 10,000 LOW FLOW, UNABLE TO PRESSURIZE NORMALLY. RETURN TO FIELD. BOTH CONTROLLERS RECORDED FAULT " LO INFL / HI LEAKG ". FOUND RECIRC AIR, AND BLEED AIR SWITCHES ON OVERHEAD PANEL TURNED OFF INSTALLED NEW GROUND CONDITIONED CHECK AIR VA
- [SDR CALA2022072901906](https://openairdocs.org/sdr/CALA2022072901906.md): Door · warning message · Jul 29, 2022 · N66837 · Boeing 737924ER · Passenger/Crew Doors
  > DOOR WARNING ANNUNCIATOR IS ON FWD ENTRY PER VERBAL WITH FLIGHT CREW, AIRCRAFT AT ABOUT 93 KNOTS WHEN DOOR 1L INDICATION CAME ON AND HANDLE ON DOOR MOVED ABOUT 2 INCHES. PERFORMED FWD ENTRY DOOR SYS TEST PER AMM 52-11-00-700-804. NO DEFECTS NOTED DOOR OPERATIO
- [SDR CALA2022032800800](https://openairdocs.org/sdr/CALA2022032800800.md): Light · damaged · Mar 27, 2022 · N66837 · Boeing 737900ER · Emergency Lighting
  > SEAT MOUNTED EMERGENCY LIGHT AT ROW 32ABC DAMAGED. REMOVED AND REPLACED WHITE SEAT MOUNTED LIGHT REF MM 33-51-11. OPS CK OK. VERIFIED INSTALLATION AND OPERATION.
- [SDR CALA2019011300088](https://openairdocs.org/sdr/CALA2019011300088.md): Fuel · leaking · Jan 12, 2019 · N66837 · Boeing 737924ER · Engine Fuel Distribution
  > FUEL LEAK COMING FROM NUMBER 2 ENG. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN CONTACT MAINTENANCE MAC RELATED WORK ORDER 000000001722595 AND PRTR ALL WORK PERFORMED. PERFORMED VENTS AND DRAINS INSPECTION IAW AMM TASK 71-71-00-200-801-F00. ENGINE RUN W CREW.

## 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 = 'N66837' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N66837/reports

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