| AD Number | 93-14-09 | Status | Active |
| Effective Date | September 08, 1993 | Issue Date | Not specified |
| Docket Number | 93-NM-21-AD | Amendment | 39-8633 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Short Brothers PLC |
| Model(s) | SD3-SHERPA |
Final rule
93-14-09 SHORT BROTHERS, PLC: Amendment 39-8633. Docket 93-NM-21-AD.
Applicability: Model SD3-SHERPA series airplanes; serial numbers SH3201 through SH3210, inclusive; certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent failure of the emergency lighting system to illuminate during an emergency, accomplish the following:
(a) Within 6 months after the effective date of this AD, modify the power supply to the emergency lighting system and perform a functional test of the system in accordance with Shorts Service Bulletin SD3 SHERPA-33-1, dated January 17, 1993.
(b) 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 commentsand then send it to the Manager, Standardization Branch, ANM-113.
NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.
(c) 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.
(d) The modification shall be done in accordance with Shorts Service Bulletin SD3 SHERPA-33-1, dated January 17, 1993, which includes Attachment to Service Bulletin Drawing SD3 SHERPA-33-1/A. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. 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 Officeof the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.
(e) This amendment becomes effective on September 8, 1993.