AD 67-31-01

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AD Number:
67-31-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes
Subject:
Flap Secondary Transmission Shaft
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/11/1967
Make:
Airbus SAS
Model:
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Superseded AD: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Superseded By: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: 67-31-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-510

AD NUMBER:   67-31-01

SUBJECT HEADING:   Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 11, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-31-01 BRITISH AIRCRAFT: Amdt. 39-510, Part 39, Federal Register November 10, 1967. Applies to Model BAC 1-11 400 Series Airplanes.

Compliance required as indicated unless already accomplished.

To prevent the failure of the flap secondary transmission shaft, Hobson P/N CHA561- 067, located between the Number 1 and Number 2 screw jacks, accomplish the following:

(a) Within the next 350 landings after the effective date of this AD or before the accumulation of 1,500 landings, whichever occurs later, visually insect the flap secondary transmission shafts, Hobson P/N CHA 561-067, located between the Number 1 and Number 2 screw jack positions, for failure or signs of frettage deposit around each end and fitting and each fairlead sleeve, in accordance with British Aircraft Corporation BAC 1-11 Alert Service Bulletin No. 27-A-PM 3034, Issue 1, dated June 5, 1967, or later ARB-approved issue or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.

(b) If a frettage deposit is detected during the inspection required by paragraph (a), repeat the inspection required by paragraph (a) at intervals not to exceed 70 landings from the last inspection.

(c) If a frettage deposit is not detected during the inspection required by paragraph (a), repeat the inspection required by paragraph (a) at intervals not to exceed 350 landings from the last inspection.

(d) Replace failure flap secondary transmission shafts, Hobson P/N CHA 561-067, before further flight with a new shaft of the same part number or with a shaft repaired in accordance with BAC 1-11 Alert Service Bulletin No. 27-A-PM 3034, Issue 1, dated June 5, 1967, or later ARB-approved issue, or an equivalent repair approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region. Continue the inspections required by paragraphs (a), (b) and (c) for the replacement or repaired shafts.

(e) The inspections required by paragraphs (a), (b), and (c) may be discontinued when the airplanes are modified in accordance with BAC 1-11 Service Bulletin 27 PM 3034, Part (a), or later ARB-approved issue, or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.

(f) 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.

This amendment effective December 11, 1967.

FOOTER: