# SDR ASAA2018051524642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2018
- Submitted: May 16, 2018
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 30,868 hours, 9,204 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Sensor
- Part number: H504C
- Condition: Out Of Adjust
- Location: Horizontal Stab
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018051524642

## Discrepancy

DURING CRUISE AT FL 320, -A- AUTOPILOT DISCONNECTED TWICE. -B- AUTOPILOT WORKED PERFECTLY.  ACFT GROUNDED.   PERFORMED A STAB POSITION SENSOR ADJUSTMENT & TEST IAW AMM 22-11-31-820-801.  FOUND STAB -A- AND -B- SENSORS ON OPPOSITE ENDS ON THE LIMITS.6  ADJUSTED THE STAB -A- POSITION SENSOR IAW AMM 22-11-31-820-801. CHECKED GOOD.  ADJUSTED THE STAB  -B- POSITION SENSOR IAW AMM 22-11-31-820-801. CHECKED GOOD.  ACCOMPLISHED ADDITIONAL LLM TESTING IAW STEP I. CHECKED GOOD.

---
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.
