AD 84-11-04

84-11-04 McDONNELL DOUGLAS: Amendment 39-4879. Applies to McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and KC-10A (Military) series airplanes, certificated in all categories. Compliance required as indicated in the body of this AD unless previously accomplished.

To preclude the potential of dual hydraulic system failure as a consequence of loose or broken inboard aileron actuator cylinder tie bolts, accomplish the following:

A. On inboard aileron actuator control assemblies, Parker Bertea Part Numbers 200900-5007, -5009, -5011, and -5013, and 217300-5005:

1. Prior to the accumulation of 5,000 flight hours since new or overhauled or within the next 1,000 flight-hours whichever occurs later, after the effective date of this AD; and at 1,000 flight-hour intervals thereafter, until the accomplishment of paragraph A.2., below, perform the inspection outlined in the Accomplishment Instructions, Phase I, of McDonnell Douglas DC-10 Service Bulletin A27-196, dated December 7, 1983, and Parker Bertea Service Bulletin 200900/217300-27-102, dated November 15, 1983, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

2. Within the next 7,500 flight-hours after the effective date of this AD, perform the torque check outlined in the Accomplishment Instructions, Phase II, of McDonnell Douglas DC-10 Service Bulletin A27-196, dated December 7, 1983, and Parker Bertea Service Bulletin 200900/217300-27-102, dated November 15, 1983, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: Aircraft which have been inspected in accordance with the procedures specified in paragraph A.1., above, or according to equivalent inspection procedures approved by the FAA Principal Maintenance Inspector (PMI) since March 1, 1983, are considered to have complied with the initial inspection requirements of this AD.

C. 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 these documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director, Publications and Training, C1-750 (54-60). These documents also may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

This amendment becomes effective July 16, 1984.