SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                   FORM 10-K/A
                                 Amendment No.1


(Mark One)

/     x / ANNUAL  REPORT  PURSUANT  TO  SECTION  13 OR  15(d) OF THE  SECURITIES
      EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 1999 or

/   / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
      SECURITIES EXCHANGE ACT OF 1934


      Commission File No.:   333-68513-01

    Structured Asset Securities Corporation
    Mortgage Pass-Through Certificates Series 1999-BC1 Trust
    (Exact name of registrant as specified in its charter)



New York                         52-2151536   52-2151540    52-2151544
                                 52-2151538   52-2151543    52-2151546
(State or other jurisdiction     (I.R.S. Employer
 of incorporation or              Identification  No.)
 organization)

c/o Wells Fargo Bank Minnesota, N.A.
11000 Broken Land Parkway
Columbia, Maryland                            21044
(Address of principal executive offices)     (ZIP Code)


Registrant's telephone number, including area code:
     (410) 884-2000

Securities to be registered pursuant to Section 12(b) of the Act:

     NONE

Securities to be registered pursuant to Section 12(g) of the Act:

     NONE

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.

     Yes   X          No ___


This Amendment No. 1 on Form 10-K/A amends Item 14 of the original Annual Report
on Form 10-K (the  "Original  Form 10-K") filed on March 24, 2000,  on behalf of
Structured  Asset  Securities  Corporation  Mortgage  Pass-Through  Certificates
Series  1999-BC1 Trust  established  pursuant to the Trust Agreement among
Structured  Asset Securities Corporation as Depositor, Wells Fargo Bank
Minnesota, N.A. as Master Servicer, and First National Bank of Chicago as
Trustee pursuant to which the Structured Asset Securities Corporation Mortgage
Pass-Through  Certificates Series 1999-BC1 Trust registered under the Securities
Act of 1933 (the "Certificates") were issued.


Item 14 of the original Form 10K is amended in its entirety to read as follows:

Item 14.  Exhibits, Financial Statement Schedules, and Reports
          on Form 8-K.

          (a) Exhibits

              (99.1) Annual   Independent    Accountants'    Servicing   Reports
                     concerning servicing activities for the year ended December
                     31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F1>
                     d)   WENDOVER FUNDING INC <F1>

             (99.2)  Report  of  Management   as  to  Compliance   with  Minimum
                     Servicing Standards for the year ended December 31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F1>
                     d)   WENDOVER FUNDING INC <F1>

              (99.3) Annual  Statements  of  Compliance  under the  Pooling  and
                     Servicing Agreements for the year ended December 31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F3>
                     d)   WENDOVER FUNDING INC <F1>


              (99.4) Aggregate Statement of Principal and Interest Distributions
                     to Certificates Holders. <F2>


          (b)    On October 8, 1999,  November  8, 1999,  and  December 7, 1999,
                 reports  on Form 8-K  were  filed  by the  Company  in order to
                 provide the statements for the monthly distributions to holders
                 of the  Certificates.  No other  reports  on Form 8-K have been
                 filed  during the last  quarter  of the period  covered by this
                 report.

          (c) Not applicable.

          (d)  Omitted.

<F1>  Filed herewith.
<F2>  Previously filed.
<F3>  Such document is not filed  herewith  since such document was not received
      by the reporting person.


                           SIGNATURE

Pursuant to the  requirements of Section 13 or 15(d) of the Securities  Exchange
Act of 1934,  the  registrant  has duly  caused  this report to be signed on its
behalf by the undersigned, thereunto duly authorized:

 Structured Asset Securities Corporation
 Mortgage Pass-Through Certificates, Series 1999-BC1 Trust


Signed:   The First National Bank of Chicago, as Trustee

By:   Keith Richardson, Officer
By:  /s/  Keith Richardson, Officer

Dated:  April 19, 2001


Exhibit Index

Exhibit No.

99.1      Annual Independent Accountants' Servicing Reports concerning servicing
          activities for the year ended December 31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F1>
                     d)   WENDOVER FUNDING INC <F1>

99.2      Report of Management as to Compliance with Minimum Servicing Standards
          for the year ended December 31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F1>
                     d)   WENDOVER FUNDING INC <F1>

99.3      Annual  Statements  of  Compliance  under the  Pooling  and  Servicing
          Agreements for the year ended December 31, 1999.

                     a)   AURORA LOAN SRVCS INC <F1>
                     b)   OCWEN FEDERAL BANK FSB <F1>
                     c)   OPTION ONE <F3>
                     d)   WENDOVER FUNDING INC <F1>

99.4      Aggregate Statement of Principal and Interest Distributions to
          Certificate Holders.<F2>

<F1>  Filed herewith.
<F2>  Previously filed.
<F3>  Such document is not filed  herewith  since such document was not received
      by the reporting person.



           EX-99.1 (a)
    Annual Independant Accountant's Servicing Report


(Logo)Ernst & Young LLP
Suite 4300
370 17th Street
Denver, Colorado 80202-5663
Phone: (720)931-4000 Fax:(720)931-4444
www.ey.corn

Report on Management's Assertion on Compliance with Minimum Servicing Standards
Set Forth in the Uniform Single Attestation Program for Mortgage Bankers

Report of Independent Accountants

Board of Directors
Aurora Loan Services Inc.

We have examined  management's  assertion,  included in the accompanying  report
titled  Report of  Management,  that Aurora Loan  Services  Inc.(the  "Company")
complied with the minimum servicing  standards set forth in the Mortgage Bankers
Association of America's Uniform Single Attestation Program for Mortgage Bankers
("USAP") during the year ended November 30, 1999.  Management is responsible for
the Company's  compliance  with those  requirements.  Our  responsibility  is to
express an opinion on  management's  assertions  about the Company's  compliance
based on our examination.

Our  examination  was  made in  accordance  with  standards  established  by the
American  Institute of Certified Public Accountants and,  accordingly,  included
examining,  on a test basis,  evidence about the Company's compliance with those
requirements and performing such other procedures as we considered  necessary in
the circumstances.  We believe that our examination  provides a reasonable basis
for our opinion.  Our examination does not provide a legal  determination on the
Company's compliance with specified requirements.

In our  opinion,  management's  assertion  that the  Company  complied  with the
aforementioned  requirements  during the year ended November 30,1999,  is fairly
stated, in all material respects.

Ernst&Young LLP





           EX-99.1 (b)
    Annual Independant Accountant's Servicing Report

(LOGO) PRICEWATERHOUSECOOPERS


PricewaterhouseCoopers LLP
200 East Las Olas Boulevard
Suite 1700
Ft. Lauderdale FL 33301
Telephone (954) 764 7111
Facsimile (954) 525 4453

REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

To the Board of Directors of
Ocwen Federal Bank FSB

We have  examined  management's  assertion  about Ocwen Federal Bank FSB's ("the
Bank")  compliance  with  the  minimum  servicing  standards  identified  in the
Mortgage  Bankers  Association of America's  (MBA's) Uniform Single  Attestation
Program for Mortgage  Bankers  (USAP) as of and for the year ended  December 31,
1999,  included  in  the  accompanying   management  assertion.   Management  is
responsible for the Bank's  compliance with those minimum  servicing  standards.
Our responsibility is to express an opinion on management's  assertion about the
entity's compliance based on our examination.

Our  examination  was  made in  accordance  with  standards  established  by the
American  Institute of Certified Public Accountants and,  accordingly,  included
examining,  on a test  basis,  evidence  about the  Bank's  compliance  with the
minimum servicing  standards and performing such other procedures as we consider
necessary  in the  circumstances.  We believe  that our  examination  provides a
reasonable  basis for our  opinion.  Our  examination  does not  provide a legal
determination on the Bank's compliance with the minimum servicing standards.

In  our  opinion,  management's  assertion  that  the  Bank  complied  with  the
aforementioned minimum servicing standards as of and for the year ended December
31, 1999 is fairly stated, in all material respects.


PricewaterhouseCoopers LLP


Fort Lauderdale, Florida
March 24, 2000


            EX-99.1 (c)
     Annual Independant Accountant's Servicing Report

(LOGO)PRICEWATERHOUSECOOPERS

PricewaterhouseCoopers LLP
4675 MacArthur Court Suite 1600
Newport Beach CA  92660-9881
Telephone (949) 251 7200
Facsimile (949) 474 4382

Report of Independent Accountants

To Option One Mortgage Corporation

We have examined management's  assertion about Option One Mortgage Corporation's
compliance  with the minimum  servicing  standards  identified  in the  Mortgage
Bankers Association of America's Uniform Single Attestation Program for Mortgage
Bankers ("USAP") as of and for the year ended  April 30, 2000 included  in the
accompanying  management  assertion.  Management is  responsible  for Option One
Mortgage  Corporation's  compliance with those minimum servicing standards.  Our
responsibility  is to express and opinion on  management's  assertion  about the
entity's compliance based on our examination.

Our  examination  was  made in  accordance  with  standards  established  by the
American  Institute of Certified Public Accountants and,  accordingly,  included
examining,  on a test basis,  evidence  about Option One Mortgage  Corporation's
compliance with the minimum servicing standards performing such other procedures
as we considered necessary in the circumstances. We believe that our examination
provides a reasonable basis for our opinion.  Our examination does not provide a
legal  determination  on Option One Mortgage  Corporation's  compliance with the
minimum servicing standards.

In our opinion,  management's  assertion  that Option One  Mortgage  Corporation
complied with the aforementioned  minimum servicing  standards as of and for the
year ended April 30, 2000 is fairly stated, in all material respects.



PricewaterhouseCoopers LLP

June 12, 2000



            EX-99.1 (d)
     Annual Independant Accountant's Servicing Report

(LOGO) KPMG

Suite 700
301 N. Elm Street
Greensboro, NC 27401

Independent Accountants' Report on Management's Assertion on Compliance with
the Minimum Servicing Standards Set Forth in the
Uniform Single Attestation Program for Mortgage Bankers

Board of Directors
Wendover Financial Services Corporation:

We  have  examined  management's  assertion  that  Wendover  Financial  Services
Corporation  (an indirect,  wholly-owned  subsidiary of Electronic  Data Systems
Corporation)  ("Wendover")  complied in all material  respects  with the minimum
servicing  standards set forth in the Mortgage Bankers  Association of America's
Uniform Single  Attestation  Program for Mortgage Bankers as of and for the year
ended  December  31, 1999  included in the  accompanying  Management  Assertion.
Management is responsible for Wendover's compliance with those minimum servicing
standards. Our responsibility is to express an opinion on management's assertion
about Wendover's compliance based on our examination.

Our  examination  was  conducted  in  accordance  with   attestation   standards
established  by the  American  Institute of Certified  Public  Accountants  and,
accordingly,  included  examining,  on a test basis,  evidence about  Wendover's
compliance  with the  minimum  servicing  standards  and  performing  such other
procedures as we considered necessary in the circumstances.  We believe that our
examination  provides a reasonable  basis for our opinion.  Our examination does
not provide a legal  determination  on  Wendover's  compliance  with the minimum
servicing standards.

In our opinion,  management's  assertion that Wendover  complied in all material
respects with the aforementioned  minimum servicing  standards as of and for the
year ended December 31, 1999 is fairly stated, in all material respects.


KPMG LLP
March 29, 2000


KPMG LLP.KPMG LLP, a U.S. limited liability partnership, is a memmber of KPMG
International, a Swiss association.





    EX-99.2 (a)
  Report of Management

(LOGO) ALS AURURA LOAN SERVICES
Corporate Headquarters * 2530 S. Parker Road, Suite 601 * Aurora, CO 80014

Management's Assertion on Compliance with Minimum Servicing Standards
Set Forth in the Uniform Single Attestation Program for Mortgage Bankers

Report of Management

We, as members of management of Aurora Loan Services,Inc.  (the "Company"),  are
responsible for complying with the minimum  servicing  standards as set forth in
the Mortgage Bankers Association of America's Uniform Single Attestation Program
for Mortgage  Bankers  (USAP).  we are also  responsible  for  establishing  and
maintaining effective internal control over compliance with these standards.  We
have  performed  an  evaluation  of the  Company's  compliance  with the minimum
servicing  standards as set forth in the USAP as of November 30,1999 and for the
year then ended. Based on this evaluation,  we assert that during the year ended
November  30,1999,  the Company  complied,  in all material  respects,  with the
minimum servicing standards set forth in the USAP.

As of and for this same  period,  the Company had in effect a fidelity  bond and
errors  and  omissions  policy in the  amount  of  S20,000,000  and  S20,000,000
respectively.


Very truly yours,

Ralph A. Lenzi III
Chief Executive Officer

Rick W. Skogg
President

Alexandra M. Delargy, CPA
Vice President & Controller

February 23,2000





    EX-99.2 (b)
  Report of Management

OCWEN (LOGO)

MANAGEMENT ASSERTION ON COMPLIANCE WITH USAP

March 24, 2000

As of and for the year ended  December 31, 1999,  except as  specifically  noted
below, Ocwen Federal Bank FSB (the "Bank") has complied in all material respects
with  the  minimum  servicing  standards  set  forth  in  the  Mortgage  Bankers
Association of America's ("MBA's') Uniform Single Attestation Program for
Mortgage Bankers ("USAP").

Standard:   Custodial   bank   accounts  and  related  bank   clearing   account
reconciliations  shall be prepared within 45 calendar days after the cutoff date
and documented  reconciling  items shall be resolved  within 90 calendar days of
their original identification.

During 1999, certain of the Bank's 1999 custodial account  reconciliations  were
not   prepared   within  45  days  after  the  cutoff   date.   However,   these
reconciliations  and all subsequent  reconcilations  have been prepared  through
December 31, 1999.

In  addition,  certain  reconciling  items  which  arose  during  the year ended
December  31,  1999 were not  specifically  identified  and/or  were not cleared
within 90 days of  identification.  Management  has developed an action plan and
has continued to follow the action plan to resolve all  outstanding  reconciling
items. All significant  reconciling items have been isolated and reviewed by the
Company, and the Company believes these items will not have a material impact on
the status of any custodial accounts.

Standard:  Mortgage  payments  shall be deposited  into the custodial bank
accounts and related bank clearing  accounts  within two business day's of
receipt.

Mortgage  payments  were  credited  to  the  investors  in the  Bank's  internal
servicing records within two business days of receipt. However, certain mortgage
payments were not deposited into  investors'  custodial bank accounts within two
business days of receipt.

Standard:  Escrow funds held in trust for a mortgagor shall be returned to
the  mortgagor  within thirty (30) calendar days of payoff of the mortgage
loan.

During 1999, escrow funds held in trust for certain mortgagors were not returned
to the  mortgagor  within  thirty  days of the  payoff of their  mortgage  loan.
However,  these escrow funds were returned within the required number of days as
required by the Real Estate Settlement Procedures Act.

As of and for this same  period,  the Bank had in effect a fidelity  bond in the
amount  of  $15,000,000  and an errors  and  omissions  policy in the  amount of
$10,000,000.

Ronald M. Faris
Executive Vice President

Scott W. Anderson
Vice President of Residential Assets

Joseph P.Hillery
Director Of Investor Reporting



    EX-99.2 (c)
  Report of Management

(LOGO) OPTION ONE
MORTGAGE CORPORATION

As of and for the year ended,  April 30, 2000,  Option One Mortgage  Corporation
has complied in all material respects with the minimum  servicing  standards set
forth  in  the  Mortgage  Bankers   Association  of  America's   Uniform  Single
Attestation  Program for the Mortgage  Bankers.  As of and for this same period,
Option One  Mortgage  Corporation  had in effect a fidelity  bond and errors and
omissions policy in the amount of $5,000,000.

William L. O'Neill, CFO

7-28-00
Date





    EX-99.2 (d)
  Report of Management

(LOGO) Wendover FINANCIAL SERVICES CORPORATION

Management Assertion

As of and for the year ended  December 31,  1999,  Wendover  Financial  Services
Corporation  (the  'Company')  has  complied in all material  respects  with the
minimum  servicing  standards set forth in the Mortgage  Bankers  Association of
America's Uniform Single Attestation Program for Mortgage Bankers. As of and for
this same  period,  the Company had in effect a fidelity  bond and an errors and
omission policy in the amount of $15,000,000.

Mark J. DeBenedictus
President
3/29/00
Date


John S. Wilkinson
Vice President, Corporate Accounting
3/29/00
Date

P.O. Box 26903 * Greensboro, NC 27419-6903

(LOGO) MBA MEMBER

    EX-99.3 (a)
  Annual Statement of Compliance

(Logo) AURORA LOAN SERVICES INC
NATIONAL SERVICING CENTER

601 Fifth Avenue
P.O.Box 1706
Scottsbluff, NE 69363-1706
phone: 308-635-3500 800-776-9361
fax: 308-630-6700

April 14, 2000

Norwest Bank Minnesota, N.A.
11000 Broken Land Parkway
Columbia MD 21044-3562
Attention: Master Servicing

Subject:          Annual Officer's Certification
                  Fiscal Year 1999
                  SASCO 99-BC-1


Dear Master Servicer:

The undersigned Officer certifies the following for the 1999 fiscal year.

(A) I have reviewed the activities and  performance of Aurora Loan Services Inc.
    (the  "Servicer")  during the  preceding  fiscal year under the terms of the
    Servicing  Agreement  and  SASCO  99-BC-1  to the  best  of  this  Officers'
    knowledge  and  belief,  the  Servicer  has  fulfilled  all of  its  duties,
    responsibilities and obligations under this Agreement throughout fiscal year
    1999, or if there has been a material  default or failure of the servicer to
    perform any of such duties,  responsibilities or obligations,  a description
    of each such material  default or failure and the nature and status  thereof
    has been reported to Norwest Bank Minnesota,N.A.

(B) I have  confirmed  that the Servicer is currently an approved  FNMA or FHLMC
    servicer in good standing;

(C) I have  confirmed  that the  Fidelity  Bond  and the  Errors  and  Omissions
    Insurance Policy required under the terms of the Servicing  Agreement are in
    full force and effect;

(D) All premiums for each Hazard  Insurance  policy,  Flood Insurance policy (if
    applicable)and  Primary  Mortgage  Insurance  policy (if  applicable),  with
    respect to each  Mortgaged  Property,  have been paid and all such insurance
    policies are in full force and effect;  or, with respect to Hazard Insurance
    policies  and/or  Flood  Insurance  policies  that are not in full force and
    effect,  appropriate  force placed individual and/or blanket policies are in
    full force and effect for each Mortgaged Property;

(E) All known real state taxes,  governmental assessments and any other expenses
    accrued and due, that if not paid,  could result in a lien or encumbrance on
    any  Mortgaged  Property,  have been paid,  or if any such costs or expenses
    have not been paid with respect to any  Mortgaged  Property,  the reason for
    the non-payment has been reported to Norwest Bank Minnesota, N.A.;

(F) All Custodial Accounts have been reconciled and are properly funded; and,

(G) All annual  reports of  Foreclosure  and  Abandonment  of Mortgage  Property
    required per Section  6050H,  6050J and 6050P of the lnternal  Revenue Code,
    respectively, have been prepared and filed.

Certified by:

Officer: Kenneth J. Weleski
Title: Executive Vice President

Date:


    EX-99.3 (b)
  Annual Statement of Compliance

(LOGO) OCWEN

OFFICER'S CERTIFICATE ON ANNUAL STATEMENT AS TO COMPLIANCE

March 24, 2000

Pursuant to the  applicable  sections of the  Servicing  Agreements,  I Scott W.
Anderson as officer of Ocwen Federal Bank FSB (the "Bank") confirm that a review
of the activities of the Bank ended  December 31, 1999 and of performance  under
the Servicing  Agreements has been made under my supervision.  To the best of my
knowledge,  based on such review,  the Bank has fulfilled all of its obligations
under the Servicing Agreement  throughout the period, other than as noted in the
Management Assertion on Compliance with USAP.

Scott W. Anderson
Vice President of Residential Assets

    EX-99.3 (d)
  Annual Statement of Compliance


(LOGO) Wendover FINANCIAL SERVICES CORPORATION

Norwest Bank Minnesota, N.A.
11000 Broken Land Parkway
Columbia, MD 21044-3562
Attention: Master Servicing

RE: Officer's Certificate

Dear Master Servicer:

The undersigned Officer certifies the following for the 1999 fiscal year:

(A) I have reviewed the  activities and  performance of the Servicer  during the
    preceding  fiscal  year under the terms of the  Servicing  Agreement,  Trust
    Agreement,  Pooling and Servicing Agreement and/or Seller/Servicer Guide and
    to the best of these Officers' knowledge,  the Servicer has fulfilled all of
    its  duties,   responsibilities   or  obligations   under  these  Agreements
    throughout  such  year,  or if there has been a default  or  failure  of the
    servicer to perform any of such duties,  responsibilities or obligations,  a
    description of each default or failure and the nature and status thereof has
    been reported to Norwest Bank Minnesota, N.A.;

(B) I have  confirmed  that the Servicer is currently an approved  FNMA or FHLMC
    servicer in good standing;

(C) I have confirmed that the Fidelity Bond, the Errors and Omissions  Insurance
    Policy  and any  other  bonds  required  under  the  terms of the  Servicing
    Agreement, Trust Agreement, Pooling and Servicing Agreement and/or
    Seller/Servicer Guide are in full force and effect;

(D) All premiums for each Hazard  Insurance  Policy,  Flood Insurance Policy (if
    applicable) and Primary  Mortgage  Insurance  Policy (if  applicable),  with
    respect  to each  Mortgaged  Property,  have  been  paid  and  that all such
    insurance policies are in full force and effect;

(E) All real  estate  taxes,  governmental  assessments  and any other  expenses
    accrued and due, that if not paid could result in a lien or  encumbrance  on
    any  Mortgaged  Property,  have been paid,  or if any such costs or expenses
    have not been paid with respect to any  Mortgaged  Property,  the reason for
    the non-payment has been reported to Norwest Bank Minnesota, N.A.;

(F) All Custodial Accounts have been reconciled and are properly funded; and

(G) All annual  reports of  Foreclosure  and  Abandonment  of Mortgage  Property
    required per section  6050H,  6050J and 6050P of the Internal  Revenue Code,
    respectively, have been prepared and filed.


Certified By:

Officer Linda L. Bridges


Vice President
Title

April 3, 2000
Date

P.O. Box 26903 *  Greensboro, NC 27419-6903

MBA MEMBER (Logo)