AD 85-22-09 R1

85-22-09 R1 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS): Amendment 39-5254. Applies to SNIAS Model AS 332 C or CL helicopters fitted with engine stubframe Part Number (P/N) 332 A 58.00.12.00 and Model AS 332 L or L1 helicopters fitted with engine stubframe P/N 332 A 58.00.13.00, certificated in any category.

Compliance is required as indicated, unless already accomplished.

(a) Compliance required within 10 hours time in service after the effective date of this AD. To avoid operating conditions where ice ingestion into the engines may cause engine failure, permanently attach a placard, stencil, or decal to the instrument panel in full view of the flightcrew which includes the following limitations statement: ALL FLIGHT OPERATIONS BELOW PLUS 3 DEGREES CELSIUS IN THE PRESENCE OF ICE CRYSTALS, RAIN, MIST, DRIZZLE, DENSE CLOUDS, SNOW, OR SLEET ARE PROHIBITED.

(b) Modify and adjust the engine air inlets of applicable helicopters as specified below:

(1) Within 200 hours time in service after the effective date of this AD but not later than March 31, 1986, accomplish the engine air intake modifications prescribed by Aerospatiale Service Bulletin No. 53.62 (corresponds to Modification AMS 332 A 07.22.752).

(2) Within 400 hours time in service after the effective date of this AD but not later than March 31, 1986, accomplish the engine intake alignment inspections and adjustments prescribed by Aerospatiale Service Bulletin No. 71.07 (corresponds to Modification AMS 332 A 07.22.702).

(c) Upon accomplishment of the requirements of paragraph (b), the limitations placard, stencil, or decal required by paragraph (a) may be removed.

NOTE 1: This AD conforms in part to French AD 85-169-20(B), Revision 1, dated December 17, 1985.

NOTE 2: For the requirements regarding recording compliance and method of compliance with this AD in the aircraft's permanent maintenance records, see FAR Section 91.173.

(d) Upon request, an alternate means of compliance which provides an equivalent level of safety may be used when approved by the Manager, Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, Brussels, Belgium, APO NY 09667, or by the Manager, Aircraft Certification Division, FAA, Southwest Region, ASW-100, P.O. Box 1689, Fort Worth, Texas 76101, telephone (817) 877-2581.

(e) The aircraft may be flown in accordance with FAR Sections 21.197 and 21.199 to a base where the requirements of paragraph (b) of this AD may be accomplished.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Aerospatiale Helicopter Corporation, 2701 Forum Drive, Grand Prairie, Texas 75051, ATTN: Customer Support. These documents may also be examined at the Office of the Regional Counsel, Federal Aviation Administration, Southwest Region, Room 158, Building 3B, 4400 Blue Mound Road, Fort Worth, Texas 76106.

Priority letter issued October 30, 1985, became effective upon receipt. This Amendment 39-5254 becomes effective March 19, 1986.