| AD Number | 93-14-01 | Status | Active |
| Effective Date | August 02, 1993 | Issue Date | Not specified |
| Docket Number | 93-NM-94-AD | Amendment | 39-8625 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | BAE Systems (Operations) Limited |
| Model(s) | Jetstream Model 4101 |
93-14-01 JETSTREAM AIRCRAFT, LIMITED: Amendment 39-8625. Docket 93-NM-94-AD.
Applicability: Model 4101 airplanes on which Modification JM41204 or Repair Scheme J41R0370 has not been installed, certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent rapid loss of cabin pressure during flight, accomplish the following:
(a) Within 30 days after the effective date of this AD, accomplish the requirements of paragraphs (a)(1) and (a)(2) of this AD at the lower section of the main baggage bay door in accordance with Jetstream Series 4100 Alert Service Bulletin J41-A52-016, dated May 18, 1993.
(1) Measure gap "A", forward and aft of the center line, and record the maximum measurement; measure gap "B", forward and aft of the center line, to determine the location of the maximum gap, and record the maximum measurement and its location; and measure the thickness of the back-up seal at the location of the maximum measurement for gap "B", and record the thickness in accordance with the service bulletin.
(2) Perform a detailed visual inspection and an inspection by feel to detect damage and/or adhesion failure of the pressure seal and the back-up seal, and prior to further flight, repair any damaged and/or disbonded seal in accordance with the service bulletin. Repeat this inspection thereafter after the last flight of the airplane each day.
(b) Within 10 days after measuring the gaps or finding damage and/or disbonding to the seals, submit a report of any inspection findings, to Jetstream Aircraft, Limited, in accordance with Jetstream Series 4100 Alert Service Bulletin J41-A52-016, dated May 18, 1993. Report gap measurements, and damage and/or disbonding to the seals, to: Customer Support Manager, Jetstream Aircraft Ltd., Prestwick, England; fax 011-44-292-671620. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.) and have been assigned OMB Control Number 2120-0056.
(c) Within 60 days after the effective date of this AD, install Jetstream Aircraft, Limited, Repair Scheme J41R0370 in accordance with Jetstream Aircraft Limited Drawing 141R0370, Issue 3, dated May 27, 1993. Installation of Jetstream Aircraft, Limited, Repair Scheme J41R0370, constitutes terminating action for the repetitive inspection requirements of this AD.
(d) 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: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.
(e) 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.
(f) The measurements, inspections, repairs of damaged and/or disbonded seals, recording and reporting requirements shall be done in accordance with Jetstream Series 4100 Alert Service Bulletin J41-A52-016, dated May 18, 1993. The repair scheme shall be done in accordance with Jetstream Aircraft Limited Drawing 141R0370, Issue 3, dated May 27, 1993, which contains the following list of effective pages:
Sheet Number
Revision Level
Shown on Page
Date
Shown on Page
1, 5-6
3
May 27, 1993
2-4
1
May 14, 1993
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 Jetstream Aircraft, Inc., P.O. Box 16029, Dulles International Airport, Washington, DC 20041-6029. 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.
(g) This amendment becomes effective on August 2, 1993.