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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 

Image unavailable in extracted text DHC-6 (Twin Otter) Series Aeroplanes

 

AD/DHC-6/55 Fuel Boost Pumps - Inspection, Replacement, Modification

Applicability: All DHC-6 models equipped with Airborne fuel boost pump model 1D2-17. Document:               1. De Havilland of Canada SB No. 6/449; and

2. Airborne SL No. 26.

2/84

 

Compliance: 1. Initial inspection as detailed in Para 1 sub paras (A), (B) and (C) of Airborne SL No. 26 to be carried out before further flight after 31 January 1984, and thereafter, as applicable, repeat at daily intervals the inspection as detailed in Para 1 sub para

(C) of Airborne SL No. 26 until modification embodied as detailed in Para 3 of Airborne SL No. 26.

 

2. Replace those pumps as detailed in Para 1 sub para (D) of Airborne SL No. 26 before further flight after 31 January 1984.

 

Note: Daily Inspection - For aircraft maintained in accordance with ANO 100.5.1 this inspection shall be entered on the maintenance release as maintenance required. The inspection may be performed by the pilot in command, in which case certification is not required. In all other cases certification may be made on the maintenance release. This inspection may also be performed and certified by any Licensed Aircraft Maintenance Engineer.

 

Background: The manufacturer has advised of the possibility of fuel leaks at the positive electrical terminal of the fuel boost pumps.