Service difficulty report · Frame · Boeing 7377H4

Difficulty date
January 9, 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
Frame
Condition
Cracked
Location
Cabin
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 FRAME LOCATED ON STA312 AND STR5L AT PASSENGER CABIN / PERFORMED REPAIR ON FRAME LOCATED ON STA 312 AND STR 5L AT PASSENGER CABIN IAW SRM B737-700 53-10-07-2R-1 REPAIR 1. DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM B737-700 ANGLE FABRICATED FROM 7075-T0 -0.063' PO #2020206794 HEAT TREATED AND CONVERTED FROM T0 TO T62 IAW BAC5602 TEMPERATURE CONTROLED PN P301566300000 SN 112031023 DUE DATE 23/FEB/21 FOR INSPECTION REQUIREMENT SEE TLD #T080633

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