- Effective
- November 30, 1971
- Model
- FH-1100
- Data sheet
- TCDSH2WE
- Registered aircraft
- 8 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-1343
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 21 KB | 328cd0c1…696221d | FAA DRS (API key needed) |
On this page
The airworthiness directive
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.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 8
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 1 |
|---|---|
| 1970 | 1 |
| 1972 | 1 |
5 with no year recorded