Service difficulty report · Stub Frame · Boeing 73773V

Difficulty date
January 10, 2021
Submitted
February 11, 2021
Operation
Air carrier
Aircraft
N564WN
Make and model
Boeing 73773V
Aircraft serial
30244
Aircraft time
50,417 hours, 34,956 cycles
Part
Stub Frame
Part number
141A8430
Condition
Cracked
Location
Cabin Floor
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK FLOOR STRUCTURE STUD FRAME LOCATED BS 294.5 AND RBL 60 AT FWD GALLEY AREA / REPLACED FLOOR STRUCTURE STUB FRAME LOCATED BS294.5 AND RBL 60 AT FWD GALLEY AREA IAW B737-700 SRM 511-40-02 SRM 511-10-02 ITEM 9 DWG 141A8370 REV D; DWG 141A8430 REV B P/N USED 141A8371Y10 P/O 2021 105611 MEASURE OF CRACK IS: L=2.000' TOOL USED CALIPER PN 700-113-10 SN 0023286 DUE DATE 14-SEP-21 STUB FRAME LOC FLOOR STRUCTURE BS 294.5 AND RBL 60 AT FWD GALLEY AREA WAS REPLACED DUE TO ALLOWABLE DAMAGE FOR CRACK NO FOUND ON SRM

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