# SDR UIEA2016120600986

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2016
- Submitted: December 7, 2016
- Operation: Air carrier
- Aircraft: [N661GT](https://openairdocs.org/aircraft/N661GT), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30110
- Aircraft time: 73,301 hours, 9,165 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 211738815
- Part serial: NSN
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2016120600986

## Discrepancy

DURING ENGINE RUN,  EICAS INDICATION HARD FAULT FOR CABIN ALT AUTO 1.  REMOVED AND REPLACED AUTO 1 CABIN PRESSURE CONTROLLER IAW AMM 20-40-01, 21-31-02, AND FIM 21-31. CHECKED SATISFACTORY.

---
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.