<SEC-DOCUMENT>0000844779-17-000122-index.html : 20170425
<SEC-HEADER>0000844779-17-000122.hdr.sgml : 20170425
<ACCEPTANCE-DATETIME>20170425104439
ACCESSION NUMBER:		0000844779-17-000122
CONFORMED SUBMISSION TYPE:	NSAR-A
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20170228
FILED AS OF DATE:		20170425
DATE AS OF CHANGE:		20170425
EFFECTIVENESS DATE:		20170425

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK CORE BOND TRUST
		CENTRAL INDEX KEY:			0001160864
		IRS NUMBER:				522346891
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		NSAR-A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-10543
		FILM NUMBER:		17780085

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		888-825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
</SEC-HEADER>
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<TYPE>NSAR-A
<SEQUENCE>1
<FILENAME>d2i2answer.fil
<TEXT>
Document 1 - file: d2i2answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>2
<FILENAME>77o01.txt
<TEXT>
Document 2 - file: 77o01.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>77o04.txt
<TEXT>
Document 3 - file: 77o04.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>4
<FILENAME>77o05.txt
<TEXT>
Document 4 - file: 77o05.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>5
<FILENAME>77o09.txt
<TEXT>
Document 5 - file: 77o09.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>6
<FILENAME>77o10.txt
<TEXT>
Document 6 - file: 77o10.txt

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<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>7
<FILENAME>77o13.txt
<TEXT>
Document 7 - file: 77o13.txt

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<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>8
<FILENAME>77o14.txt
<TEXT>
Document 8 - file: 77o14.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>9
<FILENAME>77o15.txt
<TEXT>
Document 9 - file: 77o15.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>10
<FILENAME>77o18.txt
<TEXT>
Document 10 - file: 77o18.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>11
<FILENAME>77o23.txt
<TEXT>
Document 11 - file: 77o23.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>12
<FILENAME>77o24.txt
<TEXT>
Document 12 - file: 77o24.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>13
<FILENAME>77o25.txt
<TEXT>
Document 13 - file: 77o25.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>14
<FILENAME>77o26.txt
<TEXT>
Document 14 - file: 77o26.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>15
<FILENAME>77o27.txt
<TEXT>
Document 15 - file: 77o27.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>16
<FILENAME>77o28.txt
<TEXT>
Document 16 - file: 77o28.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>17
<FILENAME>77o30.txt
<TEXT>
Document 17 - file: 77o30.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77Q1 OTHR EXHB
<SEQUENCE>18
<FILENAME>77qbhk.txt
<TEXT>
Document 18 - file: 77qbhk.txt

</DOCUMENT>
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