<SEC-DOCUMENT>0000844779-18-000160-index.html : 20180425
<SEC-HEADER>0000844779-18-000160.hdr.sgml : 20180425
<ACCEPTANCE-DATETIME>20180425115943
ACCESSION NUMBER:		0000844779-18-000160
CONFORMED SUBMISSION TYPE:	NSAR-A
PUBLIC DOCUMENT COUNT:		29
CONFORMED PERIOD OF REPORT:	20180228
FILED AS OF DATE:		20180425
DATE AS OF CHANGE:		20180425
EFFECTIVENESS DATE:		20180425

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:		18773389

	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>
<DOCUMENT>
<TYPE>NSAR-A
<SEQUENCE>1
<FILENAME>answer.fil
<TEXT>
Document 1 - file: answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>2
<FILENAME>77o6.txt
<TEXT>
Document 2 - file: 77o6.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>77o7.txt
<TEXT>
Document 3 - file: 77o7.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>4
<FILENAME>77o8.txt
<TEXT>
Document 4 - file: 77o8.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>5
<FILENAME>77o9.txt
<TEXT>
Document 5 - file: 77o9.txt

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

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>7
<FILENAME>77o11.txt
<TEXT>
Document 7 - file: 77o11.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>8
<FILENAME>77o13.txt
<TEXT>
Document 8 - file: 77o13.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>9
<FILENAME>77o14.txt
<TEXT>
Document 9 - file: 77o14.txt

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

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>11
<FILENAME>77o16.txt
<TEXT>
Document 11 - file: 77o16.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>12
<FILENAME>77o17.txt
<TEXT>
Document 12 - file: 77o17.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>13
<FILENAME>77o18.txt
<TEXT>
Document 13 - file: 77o18.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>14
<FILENAME>77o19.txt
<TEXT>
Document 14 - file: 77o19.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>15
<FILENAME>77o20.txt
<TEXT>
Document 15 - file: 77o20.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>16
<FILENAME>77o21.txt
<TEXT>
Document 16 - file: 77o21.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>17
<FILENAME>77o22.txt
<TEXT>
Document 17 - file: 77o22.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>18
<FILENAME>77o23.txt
<TEXT>
Document 18 - file: 77o23.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>19
<FILENAME>77o24.txt
<TEXT>
Document 19 - file: 77o24.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>20
<FILENAME>77o28.txt
<TEXT>
Document 20 - file: 77o28.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>21
<FILENAME>77o29.txt
<TEXT>
Document 21 - file: 77o29.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>22
<FILENAME>77o33.txt
<TEXT>
Document 22 - file: 77o33.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>23
<FILENAME>77o34.txt
<TEXT>
Document 23 - file: 77o34.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>24
<FILENAME>77o35.txt
<TEXT>
Document 24 - file: 77o35.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>25
<FILENAME>77o36.txt
<TEXT>
Document 25 - file: 77o36.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>26
<FILENAME>77o37.txt
<TEXT>
Document 26 - file: 77o37.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>27
<FILENAME>77o38.txt
<TEXT>
Document 27 - file: 77o38.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>28
<FILENAME>77o40.txt
<TEXT>
Document 28 - file: 77o40.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>29
<FILENAME>77o41.txt
<TEXT>
Document 29 - file: 77o41.txt

</DOCUMENT>
</SEC-DOCUMENT>