| AD Number | 87-01-03 | Status | Active |
| Effective Date | January 20, 1987 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-5492 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | ATR - GIE Avions de Transport R gional |
| Model(s) | ATR42-200 ATR42-300 ATR42-320 ATR42-500 |
87-01-03 AEROSPATIALE: Amendment 39-5492. Applies to Model ATR-42 airplanes listed in Aerospatiale Service Bulletin ATR 42-79-0002 dated September 3, 1986, certificated in any category.
To ensure acceptable engine anti-icing capability, accomplish the following within 10 days after the effective date of the AD, unless previously accomplished.
A. Modify the engine oil cooler thermostatic valve system, in accordance with Aerospatiale Service Bulletin ATR 42-79-0002, dated September 3, 1986.
B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modification required by this AD.
All persons affected by this directive who have not already received theappropriate service document from the manufacturer may obtain copies upon request to Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.
This amendment becomes effective January 20, 1987.