| AD Number | 89-18-03 R1 | Status | Active |
| Effective Date | May 14, 1990 | Issue Date | Not specified |
| Docket Number | 89-NM-245-AD | Amendment | 39-6569 |
| 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 |
89-18-03 R1 AEROSPATIALE: Amendment 39-6304 as revised by Amendment 39-6569. Docket No. 89-NM-245-AD.
Applicability: Model ATR42 series airplanes, Serial Numbers 003 through 147, certificated in any category.
Compliance is required as indicated, unless previously accomplished.
To prevent migration of the aileron control tab hinge pins, accomplish the following:
A. Within 7 days after June 12, 1989 (the effective date of AD 89-12-05, Amendment 39-6229), for airplanes Serial Numbers 003 through 068, modify the aileron control tab hinge pins in accordance with Part B of Aerospatiale Service Bulletin ATR42-57-0019, Revision 1, dated June 7, 1989.
B. Within 7 days after June 12, 1989 (the effective date of AD 89-12-05, Amendment 39-6229), for airplanes Serial Numbers 003 through 135, perform an inspection of the aileron control tab hinge pins in accordance with Part B of Aerospatiale Service Bulletin ATR42-57-0028, Revision 2, dated July 25, 1989. If the inspection reveals that the end knuckle is not peened, prior to further flight, modify the aileron control tab hinge pins in accordance with the service bulletin.
C. Within 7 days after September 5, 1989 (the effective date of AD 89-18-03, Amendment 39-6304), for airplanes Serial Numbers 003 through 147, unless accomplished within the last 50 hours time-in-service, inspect all aileroncontrol tab hinges to determine if the hinge pin has visibly migrated out of its housing. If the inspection reveals that a hinge pin has migrated, prior to further flight, push the hinge pin back into its housing. Repeat the inspection for hinge pin migration, and the associated repair, if necessary, at intervals not to exceed 50 hours time-in-service.
D. Within 60 days after the effective date of this amendment, for airplanes Serial Numbers 003 through 147, install new hinge pins and stop plates, in accordance with Service Bulletin ATR42-57-0030, Revision 2, dated September 18, 1989; or Revision 3,dated September 18, 1989; or Revision 4, dated January 10, 1990. This modification constitutes terminating action for the repetitive inspections required by paragraph C., above.
E. 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.
NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either 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 documents from the manufacturer may obtain copies upon request to Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or the Standardization Branch, 9010 East Marginal Way South, Seattle, Washington.
Airworthiness Directive 89-18-03 superseded AD 89-12-05, Amendment 39-6229.
This AD revises AD 89-18-03, Amendment 39-6304 .
This amendment (39-6569, AD 89-18-03 R1) becomes effective on May 14, 1990.