AD 86-22-10

86-22-10 COLLINS AVIONICS DIVISION/ROCKWELL INTERNATIONAL: Amendment 39-5462. Applies to Collins Model DME-42, P/N 622-6263-002, Distance Measuring Equipment.

Compliance: Required as indicated after the effective date of this AD, unless already accomplished.

To prevent display of erroneous DME-42 information, accomplish the following:

(a) For aircraft with Collins Model DME-42 Distance Measuring Equipment installed, within the next 25 hours time-in-service after the effective date of this AD:

(1) Visually inspect all installed DME-42 equipment to determine if Part Number (P/N) 622-6263-002 transceivers are installed.

(2) If installed, prior to further flight remove the transceiver(s), and tag the unit(s) unserviceable until the modification specified in paragraph (b) of this AD is accomplished.

(b) For all affected DME-42 transceivers, P/N 622-6263-002, not installed in an aircraft, prior to further use modify and reidentify the transceiver inaccordance with the instructions contained in Collins Service Bulletin DME-42 SB-6, dated October 15, 1986.

(c) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

(d) An equivalent means of compliance with this AD may be used if approved by the Manager, Atlanta Aircraft Certification Office, ACE-115A, FAA, 1075 Inner Loop Road, College Park, Georgia 30337; Telephone (404) 763-7428.

All persons affected by this directive may obtain copies of the documents(s) referred to herein upon request to Collins Avionics Division/Rockwell International, 400 Collins Road, N.E., Cedar Rapids, Iowa 52498; or the FAA, Rules Docket, Office of Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment becomes effective on November 17, 1986.