- Effective
- March 23, 1961
- Published
- March 23, 1961
- Models
- DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33 and 21 more
- Data sheet
- TCDS4A25
- Registered aircraft
- 8 matched by model
- Product
- Aircraft · Large airplane
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 | 20 KB | 065a5b55…9b52d60 | FAA DRS (API key needed) |
On this page
The airworthiness directive
61-06-05 DOUGLAS: Amdt. 270 Part 507 Federal Register March 23, 1961. Applies to All DC-8 Series Aircraft.
Compliance required within the next 20 hours' time in service, unless already accomplished in accordance with Douglas Alert Bulletin dated February 24, 1961.
As a result of reported instances of loosened rudder boost piston end assembly locknut, the following must be accomplished.
Refer to DC-8 Overhaul Manual, Chapter 27-19-2, page 18. Visually inspect for loose locknut P/N NAS 509-16 and proper installation and safetying to locknut of lockwasher P/N NAS 513-16. Insure that lockwasher is not installed backwards and that tang on lockwasher is engaged in notch in piston end and that piston has not rotated out of its proper position. If any discrepancies are found, they must be corrected in accordance with the DC-8 Overhaul Manual and Douglas Alert Bulletin dated February 24, 1961, prior to further flight.
This directive becomes effective upon publicationin the Federal Register for all person except those to whom it was made effective immediately by individual telegrams dated March 8, 1961.
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 |
|---|---|
| 1969 | 1 |
| 1972 | 1 |
5 with no year recorded