AD/B747/101 - Radio Control Panels

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Boeing 747 Series Aeroplanes

AD/B747/101 Radio Control Panels 2/92

Boeing 747-400 series aircraft equipped with Boeing part number 285U0037-104, - 105, -201, -202 or -203 series radio control panels.

Remove radio control panels, part numbered 285U0037-104, -105, -201, -202 and - 203 and replace with part numbers 285U0037-304, -305,-301, -302 and -303 respectively.

FAA AD 91-21-12 refers.

Prior to 12 January 1993.

Country of origin AD. To prevent uncommanded frequency changes of the high frequency (HF) and very high frequency (VHF) radios.