91-06-19 AEROSPATIALE (FORMERLY SUD-SERVICE/SUD AVIATION): Amendment 39-6939. Docket No. 91-NM-40-AD.
Applicability: Caravelle SE 210 Model I, III, and VIR series airplanes, certificated in any category.
Compliance: Required as indicated, unless previously accomplished.
To prevent collapse of the main landing gear (MLG) and consequent structural damage to the airplane, accomplish the following:
A. Prior to the accumulation of 50 landings after the effective date of this AD, or within 30 days after the effective date of this AD, whichever occurs first, and thereafter at intervals not to exceed 2,500 landings, perform an ultrasonic inspection of the front hinge beam upper bearings on each MLG, in accordance with Figure 2 on page 18 of Messier-Hispano-Bugatti Service Bulletin 32-083, Revision 4, dated November 28, 1990.
B. If defects are found as a result of the inspections required by paragraph A. of this AD, which are outside the limits specified in Messier-Hispano-Bugatti Service Bulletin 32-083, Revision 4, dated November 28, 1990, prior to further flight, remove the damaged MLG and perform an ultrasonic inspection of the hinge beam, an eddy current inspection following removal of the bushings, and a complete geometric check of the MLG, in accordance with the service bulletin.
1. MLG's which have been reconditioned in accordance with these procedures may only be returned to service provided that no defects are found.
2. If defects are found, prior to further flight, repair in a manner approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate, or replace affected part with a serviceable part of same part number.
C. If no defects are found as a result of the inspections required by paragraph A. of this AD, and the MLG components have been overhauled, prior to further flight, accomplish the following.
1. Assemble in accordance with Overhaul Manual 32-1-61.
2. Accomplish geometric adjustment in accordance with Repair Document HS RA20017.
3. Accomplish eccentric adjustment in accordance with Repair Document HS RA20017 or Aeroservice Section 1, No. 82.
4. Repeat the inspection required by paragraph A. of this AD prior to the accumulation of 2,500 landings and thereafter at intervals not to exceed 2,500 landings.
D. If no defects are found as a result of the inspections required by paragraph A. of this AD, and the MLG components have not been subjected to the procedures identified in paragraphs C.1., C.2., and C.3. of this AD during the last overhaul, repeat the inspection required by paragraph A. of this AD at intervals not to exceed 50 landings until next overhaul, including a complete ultrasonic inspection of the hinge beam, an eddy current inspection following removal of bushings, and a complete geometric check of the MLG.
1. MLG's which have been inspected in accordance with this procedure may only be returned to serviceprovided that no defects are found.
2. If defects are found, prior to further flight, repair in a manner approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate, or replace affected part with serviceable part of same part number.
3. Following overhaul of the MLG components, repeat the inspection required by paragraph A. of this AD at intervals not to exceed 2,500 landings.
E. An alternative method 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, Transport Airplane Directorate.
NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.
F. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.
All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. This information may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.
This amendment (39-6939, AD 91-06-19) becomes effective on April 1, 1991.