Service difficulty report · Stiffener · Boeing 7377L9

Difficulty date
May 13, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N7841A
Make and model
Boeing 7377L9
Aircraft serial
28015
Aircraft time
55,078 hours, 29,733 cycles
Part
Stiffener
Part number
111A1301U5
Condition
Cracked
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 ON STIFFENER LOCATED ON FWD FACE OF VAPOR BARRIER LH BS663 BTW LBL 5.00 TO LBL 32 2022-239636 / [01] TOOL USED DIGITAL CALIPER P/N 500-197-30; S/N:A16165044; DUE DATE: 01/FEB/23.;[02] REPLACED NEW STIFFENER AND FASTENERS LOCATED ON FWD FACE OF VAPOR BARRIER LH BS663 BTW LBL 5.00 TO LBL 32 I.A.W B737-700 SRM 51-40-02 AND DWG 111A1000; SHEET 114; REV -. SEE INDIVIDUAL SIGN-OFF BELOW;[03] CERTIFIED STEP 2; COMPLETED. ITEM RII

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