84-24-52 R1 SHORT BROTHERS, LTD.: Amendment 39-4992 as Amended by Amendment 39-5802. Applies to all Model SD3-60 airplanes, certificated in any category. Compliance required as indicated, unless previously accomplished.
To reduce the potential for engine flameouts, accomplish the following:
A. Before further flight, incorporate the following information into the Airplane Flight Manual and provide this information to flight crews. This may be accomplished by including a copy of this AD in the Airplane Flight Manual and Operating Manual: "Increase the threshold temperatures from 4 degrees C to 10 degrees C on Page 37, Section 4, Systems Operation, Ice and Rain Protection Systems (as fitted)."
B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
C. Within one year after the effective date of this amendment, modify the fuel low pressurebooster pumps in accordance with Parts B and C of Short Brothers Service Bulletin SD360-28-17, dated November 1985. Accomplishment of these modifications constitute terminating action for the increased temperature threshold required by paragraph A., above.
All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Short Brothers Aircraft, 1725 Jefferson Davis Highway, Arlington, Virginia 22202. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.
AD 84-24-52 Amendment 39-4992 became effective February 7, 1985 except to those recipients of telegraphic AD T84-24-52, dated December 7, 1984.
This amendment 39-5802 becomes effective February 1, 1988.