AD 75-09-16

final rule

LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes

AD Number
75-09-16
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Martin Corporation L-1011-385-1 LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-14 LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-15 LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes

Unsafe Condition

Failure of hydraulic dampers identified by Part Number 672470-101, -103, -105 could result in dangerous flutter leading to damage or loss of elevators, outboard ailerons, and rudder control surfaces and/or associated lifting surfaces.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect, service, and replace dampers as required on elevators, outboard ailerons, and rudder per Lockheed Alert Service Bulletin 093-27-A126. Replace dampers with -105 configuration per Service Bulletin 093-27-088 if required. Equivalent actions may be approved by FAA.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 300 flight hours of the effective date (May 2, 1975) for elevators, 500 flight hours for outboard ailerons, and 1500 flight hours for rudder, with subsequent intervals not exceeding the same flight hours respectively.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Lockheed-California Company Model L-1011-385-1 series airplanes with hydraulic dampers Part Number 672470-101, -103, -105, including serial numbers 193X-1102 and subsequent for elevators.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Elevators, Ailerons, Rudder Control

Applicability Source Text

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AD Final Rules - DRS_75-09-16.html
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AD Number:
75-09-16
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes
Subject:
Elevators, Ailerons, Rudder Control
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/02/1975
Make:
Lockheed Martin Corporation
Model:
L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 75-09-16
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2192

AD NUMBER:   75-09-16

SUBJECT HEADING:   LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 2, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-09-16 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-2192. Applies to Lockheed-California Company Model L-1011-385-1 series airplanes certificated in all categories with hydraulic dampers identified by Part Number 672470-101, -103, -105.

To prevent occurrence of dangerous flutter which could result in damage or loss of elevators, outboard ailerons and rudder control surfaces, and/or the associated lifting surface accomplish the following:

(a) Within 300 flight hours of the effective date of this AD unless previously accomplished within 200 hours flight time prior to the effective date of this AD, and at intervals not to exceed 500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers if required, on the elevators of aircraft with Serial Number 193X-1102 and subsequent, per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975 or later FAA-approved revisions.

(b) Within 500 flight hours of the effective date of this AD, and at intervals not to exceed 500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers as required on the outboard ailerons per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions.

(c) Within 1500 flight hours after the effective date of this AD, and at intervals not to exceed 1500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers as required on the rudder per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions.

(d) If damper replacement is required per instructions of above Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions, replace the damper with (-105) damper configuration only, as defined in the Lockheed Service Bulletin 093-27-088, Revision No. 1 dated February 28, 1974, or later FAA-approved revisions.

(e) Equivalent inspections and replacements may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(f) Airplanes may be flown to a base for the accomplishment of the inspections required by the AD, per FAR's 21.197 and 21.199.

This amendment becomes effective May 2, 1975.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_75-09-16.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
75-09-16
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes
Subject:
Elevators, Ailerons, Rudder Control
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/02/1975
Make:
Lockheed Martin Corporation
Model:
L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 75-09-16
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2192

AD NUMBER:   75-09-16

SUBJECT HEADING:   LOCKHEED-CALIFORNIA COMPANY Model L-1011-385-1 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 2, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-09-16 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-2192. Applies to Lockheed-California Company Model L-1011-385-1 series airplanes certificated in all categories with hydraulic dampers identified by Part Number 672470-101, -103, -105.

To prevent occurrence of dangerous flutter which could result in damage or loss of elevators, outboard ailerons and rudder control surfaces, and/or the associated lifting surface accomplish the following:

(a) Within 300 flight hours of the effective date of this AD unless previously accomplished within 200 hours flight time prior to the effective date of this AD, and at intervals not to exceed 500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers if required, on the elevators of aircraft with Serial Number 193X-1102 and subsequent, per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975 or later FAA-approved revisions.

(b) Within 500 flight hours of the effective date of this AD, and at intervals not to exceed 500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers as required on the outboard ailerons per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions.

(c) Within 1500 flight hours after the effective date of this AD, and at intervals not to exceed 1500 flight hours thereafter, accomplish the inspections, servicing and replacement of dampers as required on the rudder per Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions.

(d) If damper replacement is required per instructions of above Lockheed Alert Service Bulletin 093-27-A126, dated March 28, 1975, or later FAA-approved revisions, replace the damper with (-105) damper configuration only, as defined in the Lockheed Service Bulletin 093-27-088, Revision No. 1 dated February 28, 1974, or later FAA-approved revisions.

(e) Equivalent inspections and replacements may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(f) Airplanes may be flown to a base for the accomplishment of the inspections required by the AD, per FAR's 21.197 and 21.199.

This amendment becomes effective May 2, 1975.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.