# SDR SWAA2025090812039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2025
- Submitted: September 8, 2025
- Operation: Air carrier
- Aircraft: [N8695D](https://openairdocs.org/aircraft/N8695D), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 35965
- Aircraft time: 30,227 hours, 15,058 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Spring
- Condition: Broken
- Location: Zone 200
- Component: Switch
- Component part number: S844
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025090812039

## Discrepancy

IN CLIMB ELECTRIC STAB TRIM WILL NOT TRIM NOSE DOWN. NOSE UP TRIM FUNCTIONED NORMALLY.   TS WITH FIM 27-41-804 FOUND STAB TRIM LIMIT SWITCH S844 INOP; TENSION SPRING BROKEN. REMOVED AND REPLACED S844 AND ADJ/TEST GOOD REF MM 27-41-94

---
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.