# SDR ASAA2022032837817

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2022
- Submitted: March 31, 2022
- Operation: Air carrier
- Aircraft: [N919AK](https://openairdocs.org/aircraft/N919AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44087
- Aircraft time: 3,091 hours, 1,010 cycles
- Engine: Ge CFM567B24
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022032837817

## Discrepancy

SINGLE CHANNEL SPEED TRIM FALIURE (EXTINGUISHES ON MASTER CAUTION RESET). GROUNDED - YES. RAN B737-9 FIM TASK 22-11-00-810 LOGGED FAULT MSG 22-11176 RAN IFIM TASK 22-11-00-810-933 SPEED TRIM TESTS PASSED PER SAME REF OK FOR SERVICE.

---
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.