# SDR GTIA9700165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N942ML
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47478
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Trim Switch
- Condition: Failed
- Location: Horiz Stabilizer
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA9700165

## Discrepancy

DTW - FLT 174 - AFTER LANDING, ALT TRIM RUNAWAY.  RAN PRIMARY TRIM IN OPPOSITE DIRECTION AND RUNAWAY STOPPED.  REMOVED AND REPLACED HORIZ STABILIZER ALT TRIM SWITCH IAW DC-9 MM 27-40-9, OPS CHECK GOOD.  (M)

---
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.
