# SDR ALG2002F00022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2002
- Submitted: April 11, 2002
- Operation: Air carrier
- Aircraft: [N477AL](https://openairdocs.org/aircraft/N477AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53203
- Engine: Allsn 250C47B
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Crosstube
- Part number: 407050201115
- Part serial: A186
- Condition: Corroded
- Location: Mlg
- Part time: 5,567 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/ALG2002F00022

## Discrepancy

DAILY SERVICE CHECK, FOUND PITTING CORROSION ON CROSSTUBE AT STRAP ATTACH POINT.  PROBABLE CAUSE IS WATER ENTRAPMENT.  SCRAP CROSSTUBE.

---
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.