Airworthiness directives › 2000-10-13
AD 2000-10-13 Airworthiness Directives; Eurocopter France Model SA-365N, SA-365N1, AS-365N2 and AS-365N3 Helicopters
Models named: SA-365N, SA-365N1, AS-365N2, AS-365N3. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model SA-365N, SA-365N1, AS-365N2, and AS-365N3 helicopters, with enlarged sliding doors, part number (P/N) 365A82-1142-0051, 0054, 0153, or 0154, installed, certificated in any category. Note 1: This AD applies to each helicopter identified in the preceding applicability provision, regardless of whether it has been otherwise modified, altered, or repaired in the area subject to the requirements of this AD. For helicopters that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (b) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required within 10 hours time-in-service (TIS), unless accomplished previously. To prevent loss of a window panel, impact with a main rotor blade, and subsequent loss of control of the helicopter, accomplish the following: (a) Visually inspect each window panel in any enlarged sliding door (door) for correct positioning on the inside of the door. See Figure 1. (1) If the window panel is installed on the inside of the door, no further action is required by this AD. (2) If a window is installed on the outside, before further flight, remove the window and reinstall using a new seal. Note 2: The following optional procedure may be used to remove and reinstall a window, however, any procedure that results in the installation of a properly sealed airworthy window panel on the inside of the door is acceptable: a. From inside the door, cut the seal (see Figure 1, item 3). Push the window out and remove remnants of the seal from the window panel and door structure. b. Remove all traces of the sealing compound (see Figure 1, item 4) with methyl ethyl ketone (MEK), acetone, or equivalent. c. Thoroughly dust the grooves of a new seal with talcum powder. d. Fit the new seal to the window panel. The joint will be located in the lower center of the window panel. The clearance between the seal and the window panel should not exceed 0.04 inch. e. Insert a 0.01-inch diameter cord (ripcord works well) into the seal slot. Position the cord such that the cord ends are on the top center of the panel). f. Press the window panel and seal assembly against the door from the inside. g. Gently pull outward on the cord ends, allowing the outer edge of the seal to pull over the door structure. Continue pulling cord around the window panel until complete. h. Apply PR1222 sealant between the seal and the door structure. Wipe off any excess sealant. Note 3: Eurocopter Telex No. 00097, dated November 9, 1999, pertains to this AD. BILLING CODE 4910-13-U ER22MY00.002 BILLING CODE 4910-13-C (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, Regulations Group, Rotorcraft Directorate, FAA. Operators shall submit their requests through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Regulations Group. Note 4: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Regulations Group. (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the helicopter to a location where the requirements of this AD can be accomplished. (d) This amendment becomes effective on June 6, 2000. Note 5: The subject of this AD is addressed in The Direction Generale De L'Aviation Civile (France) AD 1999-459-049(A), dated December 1, 1999. Issued in Fort Worth, Texas, on May 15, 2000. Henry A. Armstrong, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 00-12817 Filed 5-19-00; 8:45 am] BILLING CODE 4910-13-U
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1