AD 79-18-09

final rule

LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes

AD Number
79-18-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Martin Corporation L-1011-385-1 LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-14 LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-15 LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-3 LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes

Unsafe Condition

Local structural damage and insecure No. 2 engine generator feeder cables in the aft body area between Fuselage Station 2011 and 2053 above Waterline 350 due to looseness, slack, surface abrasions, discoloration, lack of clamp cushions, bent or dislodged mount brackets or clamps.

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

Required Actions

Inspect No. 2 engine generator feeder cables and support clamps for looseness, abrasions, discoloration, lack of cushions, bent brackets, or dislodged clamps per Lockheed Service Bulletin 093-24-086 Part 2. Perform corrective action if discrepancies found before further flight. Alternative methods approved by FAA may be used.

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

Compliance Time

within the next 400 hours' time in service from the effective date of this AD

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

Affected Aircraft

Lockheed L-1011-385 series airplanes certificated in all categories, including models L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15, L-1011-385-3

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

Federal Register Abstract

Engine Generator Feeder Cables

Applicability Source Text

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AD Number:
79-18-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes
Subject:
Engine Generator Feeder Cables
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/29/1979
Make:
Lockheed Martin Corporation
Model:
L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15 | L-1011-385-3
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: 79-18-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3536

AD NUMBER:   79-18-09

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

ACTION:  

SUMMARY:  

DATES:   Effective August 29, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-18-09 LOCKHEED CALIFORNIA: Amendment 39-3536. Applies to Lockheed L- 1011-385 series airplanes certificated in all categories.

Compliance required within the next 400 hours' time in service from the effective date of this AD, unless already accomplished.

To prevent local structural damage and insure security of the No. 2 engine generator feeder cables, accomplish the following:

(a) Inspect the No. 2 engine generator feeder cables in the aft body area between Fuselage Station 2011 and Fuselage Station 2053 above Waterline 350 for looseness and slack, surface abrasions, discoloration of outer surface and close proximity to structure without clamps or other protective supports. Inspect feeder cable support clamps for lack of clamp cushions and bent or dislodged mount brackets or clamps. These inspections are to be made in accordance with Part 2 of Lockheed Service Bulletin 093-24-086, dated August 2, 1979.

(b) If any of the above discrepant conditions is found to exist, prior to further flight perform corrective action in accordance with Part 2 of Lockheed Service Bulletin 093-24-086, dated August 2, 1979.

(c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections required by this AD.

This amendment becomes effective August 29, 1979.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_79-18-09.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-18-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
LOCKHEED CALIFORNIA Model L-1011-385 Series Airplanes
Subject:
Engine Generator Feeder Cables
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/29/1979
Make:
Lockheed Martin Corporation
Model:
L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15 | L-1011-385-3
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: 79-18-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3536

AD NUMBER:   79-18-09

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

ACTION:  

SUMMARY:  

DATES:   Effective August 29, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-18-09 LOCKHEED CALIFORNIA: Amendment 39-3536. Applies to Lockheed L- 1011-385 series airplanes certificated in all categories.

Compliance required within the next 400 hours' time in service from the effective date of this AD, unless already accomplished.

To prevent local structural damage and insure security of the No. 2 engine generator feeder cables, accomplish the following:

(a) Inspect the No. 2 engine generator feeder cables in the aft body area between Fuselage Station 2011 and Fuselage Station 2053 above Waterline 350 for looseness and slack, surface abrasions, discoloration of outer surface and close proximity to structure without clamps or other protective supports. Inspect feeder cable support clamps for lack of clamp cushions and bent or dislodged mount brackets or clamps. These inspections are to be made in accordance with Part 2 of Lockheed Service Bulletin 093-24-086, dated August 2, 1979.

(b) If any of the above discrepant conditions is found to exist, prior to further flight perform corrective action in accordance with Part 2 of Lockheed Service Bulletin 093-24-086, dated August 2, 1979.

(c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections required by this AD.

This amendment becomes effective August 29, 1979.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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