| AD Number | 71-24-08 | Status | Active |
| Effective Date | November 30, 1971 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1343 |
| Product Type | ["Aircraft"] | Product Subtype | ["Rotorcraft"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | FH1100 Manufacturing Corporation |
| Model(s) | FH-1100 |
71-24-08 FAIRCHILD HILLER AIRCRAFT: Amdt. 39-1343. Applies to FH1100 Type Helicopters certificated in all categories.
Compliance required as indicated.
To preclude failure of the landing gear torque tube P/N 24-43041 at the skid support attachments accomplish the following:
a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished within the last 50 hours in service, inspect, and replace if necessary, torque tube P/N 24-43041 in accordance with Paragraphs 1 and 2 of Fairchild Hiller Service Letter No. SL FH1100-43-1 dated 5 October 1971 or later FAA approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region.
b. Within 100 hours in service after the inspection required by Paragraph a and every 100 hours in service thereafter, inspect and replace if necessary torque tube P/N 24-43041 in accordance with Paragraph 2 of Fairchild Hiller Service Letter SL FH1100-43-1 dated 5 October 1971 or later FAA-approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region.
This amendment is effective November 30, 1971.