AD 84-03-06

84-03-06 BOEING AND McDONNELL DOUGLAS: Amendment 39-4805. Applies to Boeing Model 747 and McDonnell Douglas Model DC-9 and DC-10 series airplanes certificated in all categories:

A. Within 180 days from the effective date of this AD, unless already accomplished, determine if any components listed by serial number in Table I, below, are installed on or in the landing gear assembly. This determination may be made by review of records or by inspection of parts to determine serial numbers. Components delivered with production airplanes or purchased from Boeing, Douglas, or Cleveland Pneumatics, as spares, are not affected by this AD. Components purchased prior to January 1, 1979, are not affected by this AD.

B. If any components listed in Table I are found, replace them with approved parts before further flight.

C. Future use of any components listed by serial number in Table I is prohibited, unless it is determined by the manufacturer or demonstrated to the FAA that thecomponent is in conformity to type design.

D. Upon request of the operator, an FAA Principal Maintenance Inspector may adjust the compliance times if the request contains substantiating data to justify the change, and subject to prior approval by the Manager, Seattle Aircraft Certification Office, for the Boeing Model 747, or the Manager, Los Angeles Aircraft Certification Office, for the McDonnell Douglas Models DC-9 and DC-10.

E. Alternate means of compliance with the AD which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office for the Boeing Model 747, or the Manager, Los Angeles Aircraft Certification Office for the McDonnell Douglas Models DC-9 and DC-10.

F. Aircraft may be ferried to a base for maintenance in accordance with Sections 21.197 and 21.199 of the Federal Aviation Regulations.

This amendment becomes effective March 19, 1984.

AD 84-03-06 TABLE I

PART AIRCRAFT SERIAL AIRCRAFT NOMENCLATURE MANUFACTURERS NUMBERS

PART NO.

Boeing Brace Assembly 65B05280 CPT 1163 PTM 747-100 Side Body

CPT 1257 PTM /200 Landing Gear

Axle 65B05133 CPT 2474 PTM

Wing & Body

CPT 2714 PTM

Gear

CPT 2828 PTM

CPT 2836 PTM

CPT 2838 PTM

CPT 2839 PTM

CPT 2886 PTM

CPT 2908 PTM

CPT 2959 PTM

CPT 2981 PTM

CPT 2982 PTM

CPT 2991 PTM

CPT 3048 PTM

CPT 3056 PTM

CPT 3063 PTM

CPT 3090 PTM

CPT 3091 PTM

CPT 3101 PTM

CPT 3149 PTM

CPT 3691 PTM

CPT 3733 PTM

Boeing Axle 65B19917 CPT 3398 PTM 747-SP Wing & Body

Gear

McDonnell Nose Gear Cylinder 5920602-5 CPT 1134 PTM Douglas

or CPT 1160 PTM DC-9

5920602-501 CPT 1201 PTM

CPT 1207 PTM

CPT 1210 PTM

CPT 1129 PTM

Nose Gear Piston 5920603-501 CPT 1395 PTM

or CPT 1310 PTM5920603-5 CPT 1308 PTM

CPT 1417 PTM

CPT 1422 PTM

CPT 1440 PTM

CPT 1301 PTM

CPT 1306 PTM

CPT 1160 PTM

CPT 1161 PTM

CPT 1178 PTM

CPT 1208 PTM

CPT 1209 PTM

CPT 1246 PTM

McDonnell Main Gear Link Assy ARG7009-501

Douglas Lower Down Lock or CPT 402 PTM DC-10

ARG7009-7 CPT 421 PT

Axle MLG ARG7313-3

or CPT 4361 PTM

ARG7313-1

Link ARG7107-5

or

ARG7107-1 CPT 0886 PTM

Bolt - Torque ARG7323-1 M 495 PTM

Link - Upper

MLG

Arm - Downlock ARG7147-1 CPT 1328 PTM

MLG or

ARG7147-3

Link Assembly ARG7019-1 CPT 019 PTM

Forward Brake or CPT 941 PTM

ARG7019-5

Link Assembly ARG7378-1 CPT 672 PTM

Forward Brake or CPT 941 PTM

MLG ARG7378-3

Bolt - Torque ARG7337-1 CPT 063 PTM

Link - Lower

CPT 039 PTM

MLG

CPT 073 PTM

CPT 040 PTM

CPT 041 PTM