-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001047469-04-003088.txt : 20040204
<SEC-HEADER>0001047469-04-003088.hdr.sgml : 20040204
<ACCEPTANCE-DATETIME>20040204131914
ACCESSION NUMBER:		0001047469-04-003088
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20040204

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAM TRANSPORTATION SERVICES INC
		CENTRAL INDEX KEY:			0000798287
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				710633135
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39193
		FILM NUMBER:		04565835

	BUSINESS ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770
		BUSINESS PHONE:		4793619111

	MAIL ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LORD ABBETT & CO
		CENTRAL INDEX KEY:			0000728100
		IRS NUMBER:				135620131

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		90 HUDSON STREET
		STREET 2:		11TH FLOOR
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302
		BUSINESS PHONE:		201-395-2000

	MAIL ADDRESS:	
		STREET 1:		90 HUDSON STREET
		STREET 2:		11TH FLOOR
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a2127847zsc13ga.txt
<DESCRIPTION>13G/A
<TEXT>
<Page>

                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549


                                    ---------


                                  SCHEDULE 13G


             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                                (Amendment No. 1)


                           P.A.M. Transportation Svcs
                                (NAME OF ISSUER)


                                  COMMON STOCK
                         (TITLE OF CLASS OF SECURITIES)


                                    693149106
                                 (CUSIP NUMBER)


     The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
     The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities and
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that
section of the Act but shall be subject to all other provisions of the Act
(however, see the Notes.)

<Page>

CUSIP NO.                     13G                        PAGE  1  OF    PAGES
693149106


  1  NAME OF REPORTING PERSONS                              Lord, Abbett & Co.
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS             13-5620131
     (entities only)

  2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP           (a) __
                                                                (b) __

  3  SEC USE ONLY

  4  CITIZENSHIP OR PLACE OF ORGANIZATION NEW YORK

  NUMBER OF        5  SOLE VOTING POWER            590,952
   SHARES
BENEFICIALLY       6  SHARED VOTING POWER          0
  OWNED BY
    EACH           7  SOLE DISPOSITIVE POWER       590,952
 REPORTING
PERSON WITH        8  SHARED DISPOSITIVE POWER     0

  9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
     REPORTING PERSON                              590,952

 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES  __
     CERTAIN SHARES      N/A

 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.23%

 12  TYPE OF REPORTING PERSON
     IA:PN

<Page>

ITEM 1.

    (a)    See Front Cover Page
           297 West Henri De Toni
           Tontitown, AR 72770

ITEM 2.

    (a)    Lord, Abbett & Co.
    (b)    90 Hudson Street
           Jersey City, NJ 07302

    (c)    New York

    (d)    See Front Cover Page

    (e)    See Front Cover Page

ITEM 3.    IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b),
           CHECK WHETHER THE PERSON FILING IS A:

    (e)    Investment Adviser registered under Section 203 of the Investment
           Advisers Act of 1940.

ITEM 4.    OWNERSHIP

    (a)    See No. 9
    (b)    See No. 11
    (c)
           (i)     See No. 5
           (ii)    See No. 6
           (iii)   See No. 7
           (iv)    See No. 8

ITEM 5.    OWNER OF FIVE PERCENT OR LESS OF A CLASS

           N/A

ITEM 6.    OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

           N/A

ITEM 7.    IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
           THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

           N/A

ITEM 8.    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

           N/A

<Page>

ITEM 9.    NOTICE OF DISSOLUTION OF GROUP

           N/A

ITEM 10.   CERTIFICATION

           By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect of
changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having
such purpose or effect.

                                    SIGNATURE

    After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date       January 26, 2004


Signature  /s/ Paul A. Hilstad
           General Counsel

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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