# SDR SWAA2020042744082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2020
- Submitted: April 27, 2020
- Operation: Air carrier
- Aircraft: [N8570W](https://openairdocs.org/aircraft/N8570W), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36952
- Aircraft time: 6,845 hours, 3,029 cycles
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Trim Motor
- Part number: 6355C000101
- Part serial: 4919
- Condition: Failed
- Location: Horiz Stab
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020042744082

## Discrepancy

STAB TRIM ELECTRIC FAILED DURING INITIAL CLIMB. BOTH YOKE TRIMS UNABLE TO ACTUATE STAB TRIM. QRH PROCEDURES FOLLOWED. MANUAL TRIM FUNCTIONAL FOR LANDING / R/R STAB TRIM MOTOR PER AMM 27-41-71. ISSUE# 2879671PN OFF 6355C0001-01 PN ON 6355C0001-02SN OFF 4919 SN ON 05012

---
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.