AD 93-05-19

final rule

Airworthiness Directives; FOKKER Model F-27 Series Airplanes

AD Number
93-05-19
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-193-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Fokker Services F27 Mark 050 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 100 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 200 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 300 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 400 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 500 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 600 Airworthiness Directives; FOKKER Model F-27 Series Airplanes
aircraft Fokker Services F27 Mark 700 Airworthiness Directives; FOKKER Model F-27 Series Airplanes

Unsafe Condition

Reduced structural integrity of the wings due to bolts and screws protruding more than 4.5 mm (0.177 inch) through the nut in the outboard wing attachment fittings at fuselage main frame stations 7961 and 9439.5.

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

Required Actions

Perform a one-time visual inspection of bolts and screws in the outboard wing attachment fittings to check for proper length. Replace any bolt or screw protruding more than 4.5 mm (0.177 inch) through the nut before further flight. Follow Fokker Service Bulletin F27/53-115.

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

Compliance Time

Prior to the accumulation of 2,700 hours time-in-service after the effective date of this AD or within 12 months after the effective date of this AD, whichever occurs earlier.

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

Affected Aircraft

Fokker Services Model F-27 series airplanes, serial numbers 10102 through 10259, inclusive; on which the inspection described in Service Bulletin F27/53-60 (B-156) Part II has not been accomplished.

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

Federal Register Abstract

Inspect Outboard Wing Attachment Fittings

Applicability Source Text

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AD Number:
93-05-19
Document Type:
AD Final Rules
Docket Number:
92-NM-193-AD
Subject Heading:
Airworthiness Directives; FOKKER Model F-27 Series Airplanes
Subject:
Inspect Outboard Wing Attachment Fittings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/05/1993
Make:
Fokker Services
Model:
F27 Mark 050 | F27 Mark 100 | F27 Mark 200 | F27 Mark 300 | F27 Mark 400 | F27 Mark 500 | F27 Mark 6...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: 93-05-19
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-193-AD

AMENDMENT:   39-8523

AD NUMBER:   93-05-19

SUBJECT HEADING:   Airworthiness Directives; FOKKER Model F-27 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 5, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-05-19 FOKKER: Amendment 39-8523. Docket 92-NM-193-AD.
Applicability: Model F-27 series airplanes, serial numbers 10102 through 10259, inclusive; on which the inspection described in Service Bulletin F27/53-60 (B-156) Part II has not been accomplished; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent reduced structural integrity of the wings, accomplish the following:

(a) Prior to the accumulation of 2,700 hours time-in-service after the effective date of this AD or within 12 months after the effective date of this AD, whichever occurs earlier, perform a one-time visual inspection to determine whether bolts and screws of proper length have been installed in the outboard wing attachment fittings of the fuselage main frame at stations 7961 and 9439.5, in accordance with Fokker Service Bulletin F27/53-115, dated May 21, 1991.

(1) If any measured bolt or screw is found that protrudes more than 4.5 mm (0.177 inch) through the nut, prior to further flight, replace it with a shorter one, in accordance with the service bulletin.

(2) If no measured bolt or screw is found that protrudes more than 4.5 mm (0.177 inch) through the nut, no further action is necessary.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(c) 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 this AD can be accomplished.

(d) The inspection and replacement shall be done in accordance with Fokker Service Bulletin F27/53-115, dated May 21, 1991. 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 Fokker Aircraft USA, Inc., 1199 North Fairfax Street, Alexandria, Virginia 22314. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on May 5, 1993.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_93-05-19.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
93-05-19
Document Type:
AD Final Rules
Docket Number:
92-NM-193-AD
Subject Heading:
Airworthiness Directives; FOKKER Model F-27 Series Airplanes
Subject:
Inspect Outboard Wing Attachment Fittings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/05/1993
Make:
Fokker Services
Model:
F27 Mark 050 | F27 Mark 100 | F27 Mark 200 | F27 Mark 300 | F27 Mark 400 | F27 Mark 500 | F27 Mark 6...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: 93-05-19
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-193-AD

AMENDMENT:   39-8523

AD NUMBER:   93-05-19

SUBJECT HEADING:   Airworthiness Directives; FOKKER Model F-27 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 5, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-05-19 FOKKER: Amendment 39-8523. Docket 92-NM-193-AD.
Applicability: Model F-27 series airplanes, serial numbers 10102 through 10259, inclusive; on which the inspection described in Service Bulletin F27/53-60 (B-156) Part II has not been accomplished; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent reduced structural integrity of the wings, accomplish the following:

(a) Prior to the accumulation of 2,700 hours time-in-service after the effective date of this AD or within 12 months after the effective date of this AD, whichever occurs earlier, perform a one-time visual inspection to determine whether bolts and screws of proper length have been installed in the outboard wing attachment fittings of the fuselage main frame at stations 7961 and 9439.5, in accordance with Fokker Service Bulletin F27/53-115, dated May 21, 1991.

(1) If any measured bolt or screw is found that protrudes more than 4.5 mm (0.177 inch) through the nut, prior to further flight, replace it with a shorter one, in accordance with the service bulletin.

(2) If no measured bolt or screw is found that protrudes more than 4.5 mm (0.177 inch) through the nut, no further action is necessary.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(c) 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 this AD can be accomplished.

(d) The inspection and replacement shall be done in accordance with Fokker Service Bulletin F27/53-115, dated May 21, 1991. 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 Fokker Aircraft USA, Inc., 1199 North Fairfax Street, Alexandria, Virginia 22314. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on May 5, 1993.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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