AD 92-19-09 R1 ACTIVE

Final rule

92-19-09 R1 SHORT BROTHERS, PLC: Amendment 39-8716. Docket 93-NM-61-AD. Revises AD 92-19-09, Amendment 39-8367, which superseded AD 84-07-06 R1, Amendment 39-6036.
Applicability: All Model SD3-30 series airplanes, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

NOTE 1: Paragraphs (a), (b), (c), and (f) of this AD restate the requirements of those paragraphs as they appeared in AD 92-19-09, Amendment 39-8367; the requirements of those paragraphs entail specific one-time actions. As allowed by the phrase, "unless accomplished previously," if the requirements of those paragraphs have been accomplished previously, this AD does not require that they be repeated.

NOTE 2: Paragraphs (d) and (e) of this AD restate the requirements for repetitive inspections contained in the same paragraphs of AD 92-19-09, Amendment 39-8367. The first inspection required by this AD must be performed within the specified repetitive inspection interval after the last inspection performed in accordance with paragraphs (d) and (e) of AD 92-19-09.

To prevent reduced structural capability of the wing, accomplish the following:

(a) Within 180 days after November 3, 1988 (the effective date of AD 84-07-06 R1, Amendment 39-6036), install a new closing panel in the aft baggage compartment in accordance with Shorts Service Bulletin SD3-25-30, dated January 8, 1982.

(b) Within 180 days after November 3, 1988, inspect to detect fuel leakage and seal the fuselage crown in accordance with Shorts Service Bulletins SD3-53-01, Revision 2, dated January 19, 1977; SD3-53-18, dated November 25, 1977; and SD3-53-41, dated May 21, 1980.

(c) Within 600 hours time-in-service after November 3, 1988, or prior to the accumulation of 4,800 total hours time-in-service, whichever occurs later, inspect to detect cracking and modify the wing drag links in accordance with Shorts Service Bulletin SD3-53-48, Revision 1, dated January 5, 1983. Replace damaged parts prior to further flight, in accordance with the service bulletin.

(d) Within 90 days after November 3, 1988, inspect to detect corrosion or wear in the horizontal stabilizer (tailplane)-to-fuselage fittings, pins, and bushings in accordance with Shorts Service Bulletin SD3-55-16, Revision 3, dated November 1987. For airplanes that have accumulated less than 4,800 total hours time-in-service and are less than 2 years old as of November 3, 1988, accomplishment of this inspection may be deferred until the affected airplane reaches 4,800 total hours time-in-service or 2 years of age, whichever occurs first. Replace any worn or corroded parts prior to further flight, in accordance with the service bulletin.

(1) If no pin has been replaced with a new pin, and if there is no corrosion found on any attachment fitting, repeat this inspection thereafter at intervals not to exceed 1,200 flight hours or within 6 months following the immediately preceding inspection, whichever occurs first.

(2) If all the pins on one side have been replaced with new pins, repeat the inspection on that side within the next 4,800 flight hours or 2 years following replacement of the pins, whichever occurs first. Repeat this inspection thereafter at intervals not to exceed 2,400 flight hours or 1 year following the immediately preceding inspection, whichever occurs first.

(e) For airplanes having serial numbers SH3002 through SH3090, inclusive: Within 300 hours time-in-service after November 3, 1988, or prior to the accumulation of 4,800 total hours time- in-service, whichever occurs later, inspect to detect cracked or broken rib/skin attachment cleats at left wing station 160 in accordance with Part A (Inspection) of paragraph 2.A. of the Accomplishment Instructions in Shorts Service Bulletin SD3-57-10, Revision 1, dated October 11, 1982; or Revision 2, dated January 4, 1993. Repeat this inspection within 2,400 hours time-in-service following the immediately preceding inspection, or within 300 hours time-in-service after November 17, 1992 (the effective date of AD 92-19-09, Amendment 39-8367), whichever occurs later.

(1) If no crack is found, repeat this inspection of each bay thereafter at intervals not to exceed 2,400 hours time-in-service.

(2) If any crack is found, prior to further flight, repair in accordance with Part B (Repair - Rear Bay) and/or Part C (Repair - Forward Bay) of paragraph 2.A. of the Accomplishment Instructions in the service bulletin; and repeat the inspection of the repaired bay thereafter at intervals not to exceed 9,600 hours time-in-service.

(f) Within 180 days after November 3, 1988, modify the power control circuit in accordance with Shorts Service Bulletin SD3-76-01, dated September 8, 1981.

(g) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(h) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(i) The actions shall be done in accordance with Shorts Service Bulletin SD3-25-30, dated January 8, 1982; Shorts Service Bulletin SD3-53-01, Revision 2, dated January 19, 1977; Shorts Service Bulletin SD3-53-18, dated November 25, 1977; Shorts Service Bulletin SD3-53-41, dated May 21, 1980; Shorts Service Bulletin SD3-53-48, Revision 1, dated January 5, 1983; Short Service Bulletin SD3-55-16, Revision 3, dated November 1987; Shorts Service Bulletin SD3-76-01, dated September 8, 1981; Shorts Service Bulletin SD3-57-10, Revision 1, dated October 11, 1982; and Shorts Service Bulletin SD3-57-10, Revision 2, dated January 4, 1993. Revision 2 of Shorts Service Bulletin SD3-57-10 contains the following list of effective pages:

Page Number
Revision Level
Shown on Page
Date
Shown on Page
1, 3-13
1
October 11, 1982
2
2
January 4, 1993

This incorporation by reference of Shorts Service Bulletin SD3-57-10, Revision 2, dated January 4, 1993, is approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. The incorporation by reference of the remainder of the service documents listed above was approved previously by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51 as of November 17, 1992 (57 FR 46772, October 13, 1992). Copies may be obtained from Short Brothers, PLC, 2011 Crystal Drive, Suite 713, Arlington, Virginia 22202-3719. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(j) This amendment becomes effective on November 26, 1993.