COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 90 and 65-90 (King Air) Series Aeroplanes
AD/BEECH 90/71
Amdt 2
Fuel Boost Pumps 9/86
Applicability: Any of the following aeroplanes equipped with Airborne fuel boost pumps which have serial number date codes 5H through 12H, IJ through 12J, and all Airborne overhauled boost pumps, regardless of serial number having a repair station CO6-43 nameplate which is dated 5-81 through 12-83. (Beech Aircraft Corporation P/N 50- 380177-5, 50-380177-7, 50-389041-9 and 60-389010-15).
King Air C90, serials LJ-972 through LJ-1012, LJ-1014 through LJ-1050, LJ-1053 through LJ-1058.
F90, serials LA-136 through LA-151, LA-173, LA-175 through LA-182, LA-184 through LA-200, LA-203 and LA-204.
Also any other Model 90 series aeroplanes which may have installed a replacement fuel boost pump (Beech P/Nos. 50-380177-5, 50-380177-7, 50-389041-9 and 60- 389010-15) which are date coded 1k through 5k or with a repair station nameplate dated 1-83 through 5-83.
Requirement: Beechcraft SB No. 2156.
- Carry out initial inspection in accordance with Step 1 and modify in accordance with Steps 3 and 4 of the Requirement Document.
2. Replace leaking boost pumps in accordance with Step 2 of the Requirement Document.
3. Affected pumps held as spares; inspect in accordance with the Requirement Document.
Compliance: 1. Within 100 hours’ time in service after 30 September 1986 or before 31 March 1987 whichever occurs first.
2. Before further flight after initial inspection.
3. Before installation in an aircraft after 30 September 1986.
Note: Compliance with previous issues of this Directive does not constitute compliance with this issue and a further certification is required.
Background: This Directive has been amended to reflect the manufacturer’s latest Service Bulletin and place a time limit for modification of fuel boost pumps.