| AD Number | 89-13-03 | Status | Active |
| Effective Date | July 31, 1989 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-6221 |
| Product Type | ["Appliance"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | GQ Parachutes Ltd. |
| Model(s) | Parachute Assemblies |
89-13-03 GQ PARACHUTES LTD: Amendment 39-6221.
Applicability: Type 350 Parachute Assemblies (P/N's MRI GQ 1277, MRI GQ 1304 and MRI GQ 1325), 850 Parachute Assemblies (P/N's MRI GQ 1284, MRI GQ 1315 and MRI GQ 1330), and 4.8m SAC Parachutes (P/N's MRI GQ 1308 and MRI GQ D 22918/2).
Compliance: Required as indicated, unless already accomplished.
To prevent the use of FAA approved canopies which may contain understrength material, accomplish the following prior to next use after the effective date of this AD:
(a) Perform an acid test on each mesh panel, in accordance with page 11 of GQ Parachutes Ltd. Service Bulletin (SB) No. 25-01, dated January 18, 1989. Those canopies found to be free of acid contamination may be approved for return to service.
(b) For those canopies found to have acid contamination, perform the acid neutralization, pH test, and tensile test, in accordance with pages 5 and 6 of GQ Parachutes Ltd., (SB) No. 25-01, dated January 18, 1989. Those canopies having a pH value greater than 5.5 and a minimum tensile strength of 180 N/25mm (405.5 lbs./in.) may be approved for return to service. For those canopies found to have a pH value of 5.5 or less and/or a tensile strength less than 180 N/25mm (40.5 lbs./in.), remove or obliterate the TSO-C23c marking.
(c) In lieu of compliance with paragraphs (a) and (b) above, the TSO-C23c markings must be removed or obliterated and the parachute must not be used as an approved parachute.
(d) Upon submission of substantiating data by an owner or operator through an FAA Airworthiness Inspector, the Manager, Boston Aircraft Certification Office, Engine and Propeller Directorate, Aircraft Certification Service, Federal Aviation Administration, 12 New England Executive Park, Burlington, Massachusetts 01803, may adjust the compliance times specified in this AD or approve an equivalent means of compliance with this AD.
The repair and inspection procedures shall be done in accordance with GQ Parachutes Ltd. Service Bulletin No. 25-01, dated January 18, 1989. 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 GQ Parachutes Ltd., Portugal Road, Woking, Surrey, GU21 5JE England. Copies may be inspected at the Federal Aviation Administration, New England Region, Office of the Assistant Chief Counsel, 12 New England Executive Park, Burlington, Massachusetts 01803, or at the Office of the Federal Register, 1100 L Street, Room 8301, Washington, DC 20591.
This amendment (39-6221, AD 89-13-03) becomes effective on July 31, 1989.