# SDR 40590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2004
- Submitted: April 20, 2004
- Operation: General aviation
- Aircraft: [N6815T](https://openairdocs.org/aircraft/N6815T), registered now
- Make and model: Cessna 414A
- Registry model: [Cessna 414A](https://openairdocs.org/model/cessna-414a) (OpenAirDocs)
- Aircraft serial: 414A0645
- Aircraft time: 3,846 hours
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Bearing
- Condition: Corroded
- Location: Ele Trim Tab
- Part time: 3,846 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/40590

## Discrepancy

DURING ANNUAL INSPECTION FOUND THE ELEVATOR TRIM TAB HORN BEARING FROZEN.  WHEN HORN WAS REMOVED TO REPLACE THE BEARING THE 2 ATTACHMENT SCREWS IN THE FORWARD HOLES OF THE BEARING WERE FOUND SEVERELY CORRODED.  MORE THAN 50 PERCENT OF THE ORRIGINAL DIAMETER WAS ERODED AWAY.

---
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.