1AD/B737/52 Amdt 2 - Corrosion Prevention and Control Program

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Boeing 737 Series Aeroplanes

AD/B737/52

Amdt 2

Corrosion Prevention and Control Program 1/94

DM

Applicability: All Model 737 series aircraft; unless the system of maintenance includes an alternative method of compliance approved by the Authority.

Requirement: Action in accordance with the technical requirements of FAA AD 90-25-01 Amdt 39- 6789.

Corrosion classified as level 1 need not be reported. Level 2 corrosion may be consolidated with a sixty day report of corrective action, and submitted to the Authority District (Airport) Office under cover of a single MDR. Level 3 corrosion shall be reported by MDR.

Note 1: Boeing document No. D6-38528 Rev C is associated with FAA AD 90-25-01.

Note 2: Boeing 737-300/400/500 Maintenance Planning Data Document No D6- 38278 Section 10 is an approved alternative method of compliance.

Note 3: References made in the FAA AD text to the following: Administrator,

FAA,

FAA Principal Inspector (PI), or

Manager Seattle Certification Office (ACO),

shall be read as Civil Aviation Authority District (Airport) Office.

Compliance: As specified in the Requirement Document.

This Amendment is effective from 8 December 1993.

Background: The Country of Origin Airworthiness Authority requires implementation of a corrosion prevention and control program to prevent the degradation of the structural capabilities of the affected aircraft.

Amendment 1 was raised to specify the reporting requirements when corrosion is found as a result of the CPCP.

Amendment 2 is issued to introduce a method of compliance other than the Country of Origin AD, to address current “in production” aircraft.