AD 92-16-04

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AD Number:
92-16-04
Document Type:
AD Final Rules
Docket Number:
92-NM-17-AD
Subject Heading:
Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes
Subject:
Fuselage and Wing Structural Components
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/21/1992
Make:
ATR - GIE Avions de Transport R gional
Model:
ATR42-200 | ATR42-300 | ATR42-320 | ATR42-500
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Superseded AD: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Superseded By: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: 92-16-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-17-AD

AMENDMENT:   39-8313

AD NUMBER:   92-16-04

SUBJECT HEADING:   Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 21, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
92-16-04 AEROSPATIALE: Amendment 39-8313. Docket No. 92-NM-17-AD. Supersedes AD 89-25-12, Amendment 39-6414.

Applicability: Model ATR42 series airplanes, certificated in any category.

Compliance: Required prior to the accumulation of 10,000 landings, or within the next 300 landings after January 12, 1990 (the effective date of AD 89-25-12, amendment 39-6414), whichever occurs later, unless accomplished previously.

To prevent failure of the structural components of the fuselage and wing, accomplish the following:

(a) For airplane Serial Numbers 003 through 151, inclusive: Reinforce fuselage frame 26 in accordance with Aerospatiale Service Bulletin ATR42-53-0042, dated May 3, 1989; or Revision 1, dated April 22, 1991.

(b) For airplane Serial Numbers 003 through 032, inclusive; 034; and 035: Reinforce the fuselage secondary frames in accordance with Aerospatiale Service Bulletin ATR42-53-0023, Revision 2, dated May 25, 1989.

(c) For airplane Serial Numbers 003 through 059, inclusive: Perform a cold expansion of the outer wing lower skin attach fastener holes in accordance with Aerospatiale Service Bulletin ATR42-57-0010, Revision 1, dated May 20, 1989; or Revision 2, dated April 15, 1991.

(d) For airplane Serial Numbers 003 through 071, inclusive: Reinforce fuselage frames 24 and 28 in accordance with Aerospatiale Service Bulletin ATR42-53-0004, Revision 4, dated July 25, 1989.

(e) For airplane Serial Numbers 003 through 084, inclusive; 086; 087; and 089 through 093, inclusive: Perform a cold expansion of attach holes and reinforce wing/fuselage junction fittings in accordance with Aerospatiale Service Bulletin ATR42-53-0031, Revision 1, dated May 20, 1989; or Revision 2, dated May 31, 1990; or Revision 3, dated February 19, 1991.

(f) For airplane Serial Numbers 003 through 119, inclusive: Perform a cold expansion of the wing front and rear spar attach holes in accordance with Aerospatiale Service Bulletin ATR42-57-0021, Revision 1, dated May 20, 1989; or Revision 2, dated September 25, 1990; or Revision 3, dated April 10, 1991; or Revision 4, dated August 28, 1991.

(g) For airplane Serial Numbers 003 through 151, inclusive: Replace the wing center box, in accordance with Aerospatiale Service Bulletin ATR42-57-0027, Revision 2, dated July 6, 1989; or Revision 3, dated March 27, 1991; or Revision 4, dated August 23, 1991; or Revision 5, dated October 22, 1991.

(h) 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, Standardization Branch, ANM-113, 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, Standardization Branch, ANM-113.

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

(i) 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.

(j) The reinforcement, replacement, and the cold expansion shall be done in accordance with the following Aerospatiale service bulletins, which contain the specified effective pages:

Service Bulletin
Referenced and Date	Page Number	
Revision Level
Shown on Page
	Date
Shown on Page
ATR42-53-0042,
May 3, 1989	1-42	
Original
	May 3, 1989
ATR42-53-0042,
Revision 1,
April 22, 1991	3-40, 42

1-2, 41	
Original

1
	May 3, 1989

April 22, 1991
ATR42-53-0023,
Revision 2,
May 25, 1989	3-8, 10-26,
28-50, 52-53,
55-64, 66-78,
81-200, 203

2, 9, 27, 51,
54

1, 65, 79-80,
201-202	
Original




1


2
	July 26, 1988




January 26, 1989


May 25, 1989
ATR42-57-0010,
Revision 1,
May 20, 1989	2-5, 14,
20-38

1, 6-13,
15-19, 39-40	
Original


1
	April 18, 1989


May 20, 1989
ATR42-57-0010,
Revision 2,
April 15, 1991	5, 14, 21-38

6-13, 15,
17-19

1-4, 16, 20,
39, 40	
Original

1


2
	April 18, 1989

May 20, 1989


April 15, 1991
ATR42-53-0004,
Revision 4,
July 25, 1989	3-8, 13-20,
25-30, 33-34

2, 11

9, 12, 21-22,
31-32, 35-36

1, 10, 23-24,
37	
Original


2

3


4
	September 2, 1988


February 16, 1989

May 25, 1989


July 25, 1989
ATR42-53-0031,
Revision 1,
May 20, 1989	2-7, 10-29

1, 8-9	
Original

1
	January 13, 1989

May 20, 1989
ATR42-53-0031,
Revision 2,
May 31, 1990	15-17, 19-28,

1-14, 18, 29	
Original

2
	January 13, 1989

May 31, 1990
ATR42-53-0031,
Revision 3,
February 19, 1991	15-16, 17,
19-28

3-14, 18, 29

1-2, 15-16 bis	
Original


2

3
	January 13, 1989


May 31, 1990

February 19, 1991
ATR42-57-0021,
Revision 1,
May 20, 1989	3-6, 11-21

1-2, 7-10	
Original

1
	April 18, 1989

May 20, 1989
ATR42-57-0021,
Revision 2,
September 25, 1990	1-23	
2
	September 25, 1990
ATR42-57-0021,
Revision 3,
April 10, 1991	2, 4, 7-10,
12-22

1, 3, 5-6,
11, 23	
2


3
	September 25, 1990


April 10, 1991
ATR42-57-0021,
Revision 4,
August 28, 1991	7-9, 13-22

2-6, 11-12, 23

1, 10	
2

3

4
	September 25, 1990

April 10, 1991

August 28, 1991
ATR42-57-0027,
Revision 2,
July 6, 1989	5-6, 9, 11
13, 27-71

2-4, 7-8, 10,
12, 14-18,
26

1, 19-25,
72-80	
Original


1



2
	April 18, 1989


May 25, 1989



July 6, 1989
ATR42-57-0027,
Revision 3,
March 27, 1991	5-6, 9, 11,
13, 27-71

2-4, 7-8, 10,
12, 14-18,
26

19-25, 72-74,
76, 78, 80

1, 75, 77, 79	
Original


1



2


3
	April 18, 1989


May 25, 1989



July 6, 1989


March 27, 1991
ATR42-57-0027,
Revision 4,
August 23, 1991	6, 9, 11, 13,
27-71

3-4, 8, 10,
12, 14-18,
26

22-25, 72-74,
76, 78

75, 77, 79

1-2, 5, 7,
19-21	
Original


1



2


3

4
	April 18, 1989


May 25, 1989



July 6, 1989


March 27, 1991

August 23, 1991
ATR42-57-0027,
Revision 5,
October 22, 1991	6, 9, 11, 13,
27-71

3-4, 8, 10,
12, 14-18

22-25, 72-74

75-79

7, 19-21, 80

1-2, 5, 26	
Original


1


2

3

4

5
	April 18, 1989


May 25, 1989


July 6, 1989

March 27, 1991

August 23, 1991

October 22, 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 Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. 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.

(k) This amendment becomes effective on October 21, 1992.

FOOTER: