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AD/CESSNA 750/2 Amdt 1 - Chafing of APU Fuel Tube Assembly
Cessna 750 (Citation X) Series AeroplaneCessna 750 (Citation X) Series Aeroplanes
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Cessna 750 (Citation X) Series Aeroplanes
| AD/CESSNA 750/2 Amdt 1 | Chafing of APU Fuel Tube Assembly | 3/2007 |
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| Applicability: | Cessna Model 750 Aircraft, Serial Numbers -0001 through -0256 inclusive. |
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| Requirement: | 1. Perform a detailed inspection to verify the clearance and detect chafing of one of the Auxiliary Power Unit (APU) fuel tube assemblies in the tail cone area of the airplane due to the interference between the APU fuel tube and elevator flight control cables, hydraulic lines, and high temperature bleed air couplings as per provisions of Cessna Alert Service Letter (ASL) ASL750-49-09 Revision 2, dated 10 March 2005 or later FAA approved revisions.2. If chafing is detected, carry out corrective action per ASL750-49-09 Revision 2 or later FAA approved revisions.3. For airplanes having serial numbers -0001 through -0031 inclusive and -0033 through -0107 inclusive, replace the APU fuel tube in the tail cone area of the airplane with a new fuel tube Part Number 6756605-23, in accordance with Cessna Service Bulletin (SB) 750-49-05 Revision 1, dated 17 January 2000 or later FAA approved revision.Terminating ActionModifying the fuel line by installing new lines, fairleads, and clamping configurations in accordance with the Accomplishment instructions of Cessna SB 750-49-12 Revision 1 dated 3 August 2006 or later FAA approved revision terminates the repetitive inspection requirements of this AD.Note: FAA AD 2006-24-01 Amdt 39-14830 dated 3 November 2006 refers. This AD supersedes AD 2005-09-01. |
| Compliance: | 1. For aeroplanes with serial numbers -0001 through -0240 inclusive, remains unchanged as within 25 flight hours or 48 days, whichever occurs first, after the 25 May 2005 (the effective date of the original issue of this AD) and then, repetitively at intervals not to exceed 250 flight hours or 3 months whichever occurs first. |
| For aeroplanes with serial numbers -0241 through -0256 inclusive, before further flight after the effective date of this AD and then repetitively at intervals not to exceed 250 flight hours or 3 months whichever occurs first.2. Before further flight.3. Within 25 flight hours or 48 days, whichever occurs first, after the effective date of this AD, but before carrying out inspection per Requirement 1 of this AD. |
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