AD/ELECT/61 - Nordskog Water Heaters and Coffee Makers (Cth)

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES

Electrical Equipment

AD/ELECT/61 Nordskog Water Heaters and Coffee Makers 2/94 DM

Applicability: Nordskog water heaters and coffee makers identified in Nordskog Industries Inc Service Bulletin SB-93-34 dated 21 October 1993; as installed in, but not limited to, the following aircraft series:

Boeing Model 727, 737, 747, 757 and 767;

McDonnell Douglas Model DC-9, DC-9-80, DC-10 and MD-11; Airbus Industrie Model A300, A310 and A320; Gulfstream Model G-1159 and G-IV; de Havilland Model DHC-8; Dassault-Aviation Mystere-Falcon Model 50 and 900;

Canadair Model CL-600-1A11, CL-600-2A12, CL-600-2B16 & CL-600-2B19; and

Fokker Model F27 and F28.

Requirement: 1. Inspect the water heater or coffee maker, in accordance with Nordskog Industries Service Bulletin SB-93-34, to determine if a NUPRO pressure relief valve having part number SS-2C4-65 has been installed.

2. If a NUPRO pressure relief valve part number SS-2C4-65 has been installed, then either:

1. replace the pressure relief valve with a new, improved NUPRO pressure relief valve part number SS-CHF2-65, or

b. deactivate the water heater or coffee maker and install a placard stating `Not to be used".

3. NUPRO pressure relief valve part number SS-2C4-65 held as spares are not to be fitted to water heaters or coffee makers identified in Nordskog Industries Inc Service Bulletin SB-93-34 dated 21 October 1993 and these water heaters or coffee makers are not to be fitted to aircraft as replacement items, if a NUPRO pressure relief valve part number SS-2C4-65 is installed.