AD 92-06-15

final rule

Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes

AD Number
92-06-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
89-NM-43-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3-G102 Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3-G102A Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3-G103A Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3-G202A Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3A-S1C3G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3A-S1CG Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3A-S4C4G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3A-SC3G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3A-SCG Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3C-R-1830-90C Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3C-S1C3G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3C-S4C4G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3C-SC3G Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. DC3D-R-1830-90C Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. Super DC-3 Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. R4D-8 Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes
aircraft The Boeing Company | Douglas Aircraft Co., Inc. R4D-8Z Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes

Unsafe Condition

Structural failure of the wings due to undetected cracks or insufficient reinforcement at wing stations 94.250 and 127.750.

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

Required Actions

Inspect wings using visual and X-ray techniques per specified drawings; install access holes as required; modify wings with specific service rework drawings; repeat inspections every 2,000 hours time-in-service. Repairs or replacements must be done prior to further flight if cracks are found.

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

Compliance Time

Within 900 hours time-in-service after last AD 69-15-04 inspection or within one year after April 28, 1992, whichever comes first. Subsequent inspections every 2,000 hours time-in-service. Modifications must be done within 2,000 hours time-in-service or two years after April 28, 1992.

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

Affected Aircraft

MCDONNELL DOUGLAS DST, Super DC-3, DC-3 series airplanes and all military versions including C-41, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-68, C-117, R4D series, and turbo-propeller modified versions.

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

Federal Register Abstract

Prevent Structural Failure Of Wings

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_92-06-15.html
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AD Number:
92-06-15
Document Type:
AD Final Rules
Docket Number:
89-NM-43-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D se...Show more
Subject:
Prevent Structural Failure Of Wings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/28/1992
Make:
The Boeing Company | Douglas Aircraft Co., Inc.
Model:
DC3-G102 | DC3-G102A | DC3-G103A | DC3-G202A | DC3A-S1C3G | DC3A-S1CG | DC3A-S4C4G | DC3A-SC3G | DC3...Show more
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: 92-06-15
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   89-NM-43-AD

AMENDMENT:   39-8195

AD NUMBER:   92-06-15

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 28, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   92-06-15 MCDONNELL DOUGLAS: Amendment 39-8195. Docket No. 89-NM-43-AD. Supersedes AD 69-15-04, Amendment 39-1396.

Applicability: Model DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes, including those modified for turbo-propeller power; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent structural failure of the wings, accomplish the following:

(a) For airplanes not modified with the repair or preventive doublers at both wing stations 94.250 and 127.750, in accordance with McDonnell Douglas Service Bulletin 229, any revision; or McDonnell Douglas Service Bulletin 263, any revision through Revision 8, dated December 15, 1971; or McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988; accomplish the following:

(1) Within 900 hours time-in-service after performing the last inspection in accordance with AD 69-15-04, Amendment 39-1396, or within one year after the effective date of this AD, whichever occurs first, accomplish the following:

(i) Inspect the wing in accordance with McDonnell Douglas Service Rework Drawing SR03578001, dated March 11, 1988; or McDonnell Douglas Service Rework Drawing SR03578002, Revision A, dated September 26, 1988; for the applicable airplanes, using the visual and X-ray techniques specified. Repeat the visual inspection thereafter at intervals not to exceed 2,000 hours time-in-service.

(ii) Modify the airplane to incorporate access holes, in accordance with McDonnell Douglas Service Rework Drawing SRO3548001, Revision A, dated March 7, 1989.

NOTE: Airplanes previously modified to incorporate access holes do not have to be remodified if visibility and access can be obtained.

(2) Within 2,000 hours time-in-service or two years after the effective date of this AD, whichever occurs first, modify the wing in accordance with McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988.

(b) For airplanes modified to incorporate the repair or preventive doublers at both wing stations 94.250 and 127.750, in accordance with McDonnell Douglas Service Bulletin 229, any revision; or McDonnell Douglas Service Bulletin 263, any revision through Revision 8, dated December 15, 1971; or McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988: Within 2,000 hours time-in-service after the last inspection in accordance with AD 69-15-04, Amendment 39-1396, and thereafter at intervals not to exceed 2,000 hours time-in-service, inspect the wing using the visual method specified in McDonnell Douglas Service Rework Drawing SR03578001, dated March 11, 1988; and McDonnell Douglas Service Rework Drawing SR03578002, Revision A, dated September 26, 1988; for the applicable airplanes.

(c) Cracked structure detected during the inspections required by paragraph (a) or (b) of this AD must be repaired or replaced prior to further flight, in accordance with McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988.

(d) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Los Angeles ACO.

(e) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of paragraph (a) or (b) of this AD may be accomplished.

(f) The inspections, repairs, and modifications shall be done in accordance with McDonnell Douglas Service Rework Drawings No. SR03578003, dated April 6, 1988; No. SR03578001, dated March 11, 1988; No. SR03578002, Revision A, dated September 26, 1988; and No. SR03548001, Revision A, dated March 7, 1989. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 98055-4056. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC.

(g) This amendment becomes effective on April 28, 1992.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_92-06-15.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
92-06-15
Document Type:
AD Final Rules
Docket Number:
89-NM-43-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D se...Show more
Subject:
Prevent Structural Failure Of Wings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/28/1992
Make:
The Boeing Company | Douglas Aircraft Co., Inc.
Model:
DC3-G102 | DC3-G102A | DC3-G103A | DC3-G202A | DC3A-S1C3G | DC3A-S1CG | DC3A-S4C4G | DC3A-SC3G | DC3...Show more
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: 92-06-15
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   89-NM-43-AD

AMENDMENT:   39-8195

AD NUMBER:   92-06-15

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 28, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   92-06-15 MCDONNELL DOUGLAS: Amendment 39-8195. Docket No. 89-NM-43-AD. Supersedes AD 69-15-04, Amendment 39-1396.

Applicability: Model DST, Super DC-3, DC-3, DC-3A, DC-3B, DC-3C, and DC-3D series airplanes; all military versions, C-41, C-41A, C-47, C-47A, C-47B, C-48, C-48A, C-49, C-49A, C-49B, C-49C, C-49D, C-49J, C-49K, C-50, C-50A, C-50B, C-50C, C-50D, C-51, C-52, C-52A, C-52B, C-52C, C-53, C-53B, C-53C, C-53D, C-68, C-117A, C-117D, and R4D series airplanes, including those modified for turbo-propeller power; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent structural failure of the wings, accomplish the following:

(a) For airplanes not modified with the repair or preventive doublers at both wing stations 94.250 and 127.750, in accordance with McDonnell Douglas Service Bulletin 229, any revision; or McDonnell Douglas Service Bulletin 263, any revision through Revision 8, dated December 15, 1971; or McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988; accomplish the following:

(1) Within 900 hours time-in-service after performing the last inspection in accordance with AD 69-15-04, Amendment 39-1396, or within one year after the effective date of this AD, whichever occurs first, accomplish the following:

(i) Inspect the wing in accordance with McDonnell Douglas Service Rework Drawing SR03578001, dated March 11, 1988; or McDonnell Douglas Service Rework Drawing SR03578002, Revision A, dated September 26, 1988; for the applicable airplanes, using the visual and X-ray techniques specified. Repeat the visual inspection thereafter at intervals not to exceed 2,000 hours time-in-service.

(ii) Modify the airplane to incorporate access holes, in accordance with McDonnell Douglas Service Rework Drawing SRO3548001, Revision A, dated March 7, 1989.

NOTE: Airplanes previously modified to incorporate access holes do not have to be remodified if visibility and access can be obtained.

(2) Within 2,000 hours time-in-service or two years after the effective date of this AD, whichever occurs first, modify the wing in accordance with McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988.

(b) For airplanes modified to incorporate the repair or preventive doublers at both wing stations 94.250 and 127.750, in accordance with McDonnell Douglas Service Bulletin 229, any revision; or McDonnell Douglas Service Bulletin 263, any revision through Revision 8, dated December 15, 1971; or McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988: Within 2,000 hours time-in-service after the last inspection in accordance with AD 69-15-04, Amendment 39-1396, and thereafter at intervals not to exceed 2,000 hours time-in-service, inspect the wing using the visual method specified in McDonnell Douglas Service Rework Drawing SR03578001, dated March 11, 1988; and McDonnell Douglas Service Rework Drawing SR03578002, Revision A, dated September 26, 1988; for the applicable airplanes.

(c) Cracked structure detected during the inspections required by paragraph (a) or (b) of this AD must be repaired or replaced prior to further flight, in accordance with McDonnell Douglas Service Rework Drawing SR03578003, dated April 6, 1988.

(d) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Los Angeles ACO.

(e) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of paragraph (a) or (b) of this AD may be accomplished.

(f) The inspections, repairs, and modifications shall be done in accordance with McDonnell Douglas Service Rework Drawings No. SR03578003, dated April 6, 1988; No. SR03578001, dated March 11, 1988; No. SR03578002, Revision A, dated September 26, 1988; and No. SR03548001, Revision A, dated March 7, 1989. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 98055-4056. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC.

(g) This amendment becomes effective on April 28, 1992.

FOOTER:

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