Service difficulty report · Stringer Splice · Boeing 7377H4

Difficulty date
January 16, 2021
Submitted
February 15, 2021
Operation
Air carrier
Aircraft
N406WN
Make and model
Boeing 7377H4
Aircraft serial
27894
Aircraft time
66,898 hours, 39,718 cycles
Part
Stringer Splice
Condition
Cracked
Location
E/E Bay
Stage of operation
IN
How discovered
9
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 STRUCTURE ON STRINGER SPLICE LOCATED ON BST 360 STR 28RH AT EQUIPMENT ELECTRONIC COMP / REPLACED STRINGER SPLICE LOCATED ON BS360 STR28RH AT EQUIPMENT ELECTRONIC COMPARTMENT IAW B737-700 SRM 51-40-02 MATERIAL USED PN 7075 TO +0.036' PO 2020-214270

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