1AD/B747/19 - Lightning Protection of Fuel System - Modification

---

meta-content-style-type: text/css meta-content-type: application/xhtml+xml; charset=utf-8 meta-generator: Aspose.Words for .NET 22.10.0

?xml version="1.0" encoding="utf-8" standalone="no"?>

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 

Image unavailable in extracted text Boeing 747 Series Aeroplanes

 

AD/B747/19 Lightning Protection of Fuel System - Modification 12/79

Applicability: All models.

 

Document: 1. FAA AD 79-20-11, Amdt. 39-3583; or

 

2. Boeing SBs 747-28-2068 Rev. 3, 747-28-2069 Rev. 1 and 747-28-2084, Rev. 1.

 

Compliance: Before 31 January 1981.

 

Background: A review of the effects of lightning strikes to the B747 aeroplane over a 4-5 year period has prompted modifications to ensure a positive electrical path to ground to voltages that may occur due to a lightning strike to the aeroplane.