Airworthiness Directive · Amendment 39-17651 · Fuel boost pump
Gulfstream Aerospace Corporation Airplanes
Superseded. A later AD replaced this one: AD 2017-08-01. Comply with the one in force.
This AD applies to all Gulfstream Aerospace Corporation Model GV and GV-SP airplanes, certificated in any category.
We are adopting a new airworthiness directive (AD) for all Gulfstream Aerospace Corporation Model GV and GV-SP airplanes. This AD was prompted by reports of two independent types of failure of the fuel boost pump with overheat damage found on the internal components and external housing on one of the failure types, and fuel leakage on the other. This AD requires inspecting to determine if fuel boost pumps having a certain part number are installed, replacing the fuel boost pumps having a certain part number, and revising the airplane maintenance program to include revised instructions for continued airworthiness. We are issuing this AD to prevent fuel leakage in combination with a capacitor clearance issue, which could result in an uncontrolled fire in the wheel well.
Within 36 months after the effective date of this AD, inspect the fuel boost pumps to determine whether Gulfstream P/N 1159SCP500-5 is installed, in accordance with the Accomplishment Instructions of Gulfstream V Customer Bulletin 197, dated April 11, 2012, including the service information specified in paragraphs (g)(1) and (g)(2) of this AD (for Model GV airplanes); or Gulfstream G550 Customer Bulletin 122, dated April 11, 2012, including the service information specified in paragraphs (g)(1) and (g)(2) of this AD (for Model GV-SP airplanes). A review of airplane maintenance records is acceptable in lieu of this inspection if the part number of the fuel boost pumps can be conclusively determined from that review.
(1) Triumph Aerostructures Service Bulletin SB-TAGV/GVSP-28-JG0162, dated August 30, 2011.
(2) GE Service Bulletin 31760-28-100, dated February 15, 2011.
If the inspection required by paragraph (g) of this AD reveals a fuel boost pump with Gulfstream P/N 1159SCP500-5: Within 36 months after the effective date of this AD, replace the fuel boost pump with a serviceable pump having Gulfstream P/N 1159SCP500-7, in accordance with the Accomplishment Instructions of Gulfstream V Customer Bulletin 197, dated April 11, 2012, including the service information specified in paragraphs (h)(1) and (h)(2) of this AD (for Model GV airplanes); or Gulfstream G550 Customer Bulletin 122, dated April 11, 2012, including the service information specified in paragraphs (h)(1) and (h)(2) of this AD (for Model GV-SP airplanes).
(1) Triumph Aerostructures Service Bulletin SB-TAGV/GVSP-28-JG0162, dated August 30, 2011.
(2) GE Service Bulletin 31760-28-100, dated February 15, 2011.
Within 500 flight hours after the effective date of this AD, revise the airplane maintenance program to include Gulfstream Document GV-GER-0003, Instructions for Continued Airworthiness, Fuel Boost Pump with Leak Check Port, dated November 24, 2010.
(1) For airplanes on which fuel boost pump Gulfstream P/N 1159SCP500-5 has been replaced in accordance with paragraph (h) of this AD: The initial compliance time for the inspection is within 500 flight hours after doing the replacement specified in paragraph (h) of this AD.
(2) For airplanes on which the inspection required by paragraph (g) of this AD reveals that a fuel boost pump with Gulfstream P/N 1159SCP500-7 has been installed: After revising the airplane maintenance program, as required by paragraph (i) of this AD, the initial inspection is required before further flight after doing the inspection required by paragraph (g) of this AD.
After accomplishing the revision required by paragraph (i) of this AD, no alternative actions (e.g., inspections) or intervals may be used unless the actions or intervals are approved as an alternative method of compliance in accordance with the procedures specified in paragraph (l) of this AD.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
