Commonwealth legislation

AD/EMB-120/23 - Replacement of Pitot Heater Power Wire

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

Requires operators of listed Embraer EMB-120 serial numbers to replace the pitot‑heater power wire W200-0434-18 with heavier gauge wire W200-1063-12 in accordance with Embraer Service Bulletin 120-30-0028. Compliance must occur within 400 flight hours or at the next Check 1A. The stated purpose is to reduce the risk of the identified wire overheating and producing cockpit smoke; operators bear responsibility for performing and funding the replacement.

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AD/EMB-120/23 - Replacement of Pitot Heater Power Wire

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Embraer EMB-120 (Brasilia) Series Aeroplanes

AD/EMB-120/23 Replacement of Pitot Heater Power Wire 3/98

Applicability: All Embraer EMB-120 aircraft serial numbers: 120003, 120004, 120006 to 120308

inclusive, 120310, 120312 to 120314 inclusive, 120316 to 120323 inclusive and

120325 to 120330 inclusive.

Requirement: Replace wire, identified as W200-0434-18, with heavier gauge wire, identified as W200-1063-12, in accordance with instructions detailed in Embraer Service Bulletin 120-30-0028.

Note: Brazilian AD 97-11-01 Amdt 39-817 refers.

Compliance: Within 400 hours time in service or the next Check 1A service, whichever occurs first after the effective date of this airworthiness directive.

This airworthiness directive becomes effective on 26 February 1998.

Background: Brazilian Department of Civil Aviation has reported that the possibility exists for the identified wire to overheat which could lead to smoke being generated in the cockpit.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/EMB-120/23 - Replacement of Pitot Heater Power Wire