# Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes
> **Rule** · Final rule. · Published 2002-04-19 · Effective 2002-05-06 · 67 FR 19322
## Document
- **Document number:** 02-9392
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 19322
- **Publication date:** 2002-04-19
- **Effective date:** 2002-05-06
- **FAA docket:** Docket No. 2001-NM-189-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to all Boeing Model 767-200, -300, and -300F series airplanes. This AD requires examination of maintenance records to determine if Titanine JC5A (also known as Desoto 823E508) corrosion inhibiting compound ("C.I.C.") was ever used; inspection for cracks or corrosion and corrective action, if applicable; repetitive inspections and C.I.C. applications; and modification of the aft trunnion area of the outer cylinder, which terminates the need for the repetitive inspections and C.I.C. applications. This action is necessary to prevent severe corrosion in the main landing gear (MLG) outer cylinder at the aft trunnion, which could develop into stress corrosion cracking and consequent collapse of the MLG. This action is intended to address the identified unsafe condition. The FAA is also planning to issue additional rulemaking to exclude the use of Titanine JC5A for compliance with previously issued ADs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/04/19/02-9392/airworthiness-directives-boeing-model-767-200--300-and--300f-series-airplanes)
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