AD 83-24-04

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AD Number:
83-24-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model BAC 1-11 200 and 400 Series Airplanes
Subject:
Nose Landing Gear
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/09/1984
Make:
Airbus SAS
Model:
BAC 1-11 200 Series | BAC 1-11 400 Series
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Superseded AD: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Superseded By: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: 83-24-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4776

AD NUMBER:   83-24-04

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE Model BAC 1-11 200 and 400 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 9, 1984.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   83-24-04 BRITISH AEROSPACE: Amendment 39-4776. Applies to Model BAC 1-11 200 and 400 series airplanes, certificated in all categories. To prevent collapse of the nose landing gear, accomplish the following, unless previously accomplished:

A. For pre-modification PM5766 up/down lock jacks:

(1) Tonks spring discs - P/N AK43-1283.

(i) Must be replaced prior to the accumulation of 4,000 landings or within 500 landings after the effective date of this AD, whichever comes later.

(ii) Must be functionally tested in accordance with paragraphs 2.3 and 2.4 of Service Bulletin 32-A-PM5191, Issue 5, dated May 15, 1981, prior to the accumulation of 4,000 landings or within 100 landings after the effective date of this AD, whichever comes later.

(2) Terry discs - P/N AB43-2579 and Spring Master discs - P/N AB43-2745:

(i) Must be replaced prior to the accumulation of 8,000 landings or within 500 landings after the effective date of this AD, whichever comes later.

(ii) Must be functionally tested in accordance with paragraphs 2.3 and 2.4 of the service bulletin prior to the accumulation of 6,000 landings or within 500 landings after the effective date of this AD, whichever comes later; and thereafter at intervals not to exceed 500 landings, until replaced in accordance with paragraph A(2)(i), above.

B. For post-modification PM5766 up/down lock jacks:

(1) Tonks spring discs - P/N AK43-1283.

(i) Must be replaced prior to the accumulation of 8,000 landings or within 500 landings after the effective date of this AD, whichever comes later.

(ii) Must be functionally tested in accordance with paragraphs 2.3 and 2.4 of the service bulletin prior to the accumulation of 4,000 landings or within 500 landings after the effective date of this AD, whichever comes later; and thereafter at intervals not to exceed 500 landings, until replaced in accordance with paragraph B(1)(i), above.

(2) Terry discs - P/N AB43-2579 and Spring Master Discs - P/N AB43- 2745.

(i) Must be replaced prior to the accumulation of 10,000 landings or within 500 landings after the effective date of this AD, whichever comes later.

(ii) Must be functionally tested in accordance with paragraphs 2.3 and 2.4 of the service bulletin prior to the accumulation of 8,000 landings or within 500 landings after the effective date of this AD, whichever comes later; and thereafter at intervals not to exceed 500 landings, until replaced in accordance with paragraph B(2)(i), above.

C. Terminating action for this AD is accomplished by incorporation of helical coil springs into the up/down lock jack, BAe Modification 32-PM5191.

D. For the purpose of complying with this AD, subject to acceptance by the assigned FAA maintenance inspector, the number of landings may be determined by dividing each airplane's hours time in service by the operator's fleet average time from takeoff to landing for the airplane type.

E. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

F. 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 and/or modifications required by this AD.

This amendment becomes effective January 9, 1984.

FOOTER: