Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 26, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
63,739 hours, 37,814 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 WEB - INTERCOSTAL LOCATED BETWEEN BS500A TO BS500B AND STR26L AT FWD CARGO COMPARTMENT 2023-413056<[01] ET TOOL USED: PN: NORTEC 600D ; SN: 220273012; DUE DATE: 17-DEC-23;[02] REPLACED WEB-INTERCOSTAL AND LOCATED BETWEEN BS500A TO BS500B AND STR26L AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-30-53-2R-1 REPAIR 1 PARAGRAPH 4 Ï¿½TEM L; M;P; SRM 51-40-02 AND DWG 143A7505 SHEET 6 REV D. SEE INDIVIDUAL SIGNOFFS BELLOW.;[03] CORRECTED STEP 2: <BR>REPLACED WEB-INTERCOSTAL LOCATED BETWEEN BS500A TO BS500B AND STR26L AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 AND SRM 53-30-53-2R-1 REPAIR 1; DWG 143A7505 SHEET 6 REV D. SEE INDIVIDUAL SIGNOFFS BELLOW.;[04] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGNOFFS BELLOW

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