# SDR DXTA2024121701535

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2024
- Submitted: December 17, 2024
- Operation: Air carrier
- Aircraft: [N553QS](https://openairdocs.org/aircraft/N553QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0296
- Aircraft time: 3,438 hours, 2,286 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: 103000A
- Part serial: 278
- Condition: Defective
- Location: Stab Trim
- Stage of operation: IN
- How discovered: C
- Nature of condition: J, L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024121701535

## Discrepancy

DURING PREFLIGHT, PRIMARY STAB TRIM FAIL CASS MESSAGE AFTER TWO SECONDS OF ACTUATING STAB TRIM SWITCH UP OR DOWN FRIM EITHER YOKE. CORRECTIVE ACTION; REPLACED H STAB ACU IAW CE 680A AMM 27-40-02. PERFORMED MULTIPLE SATISFACTORY OPS TEST. NO FURTHER DEFECTS NOTED.

---
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.