Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
April 7, 2022
Submitted
May 2, 2022
Operation
Air carrier
Aircraft
N254WN
Make and model
Boeing 7377H4
Aircraft serial
32512
Aircraft time
52,929 hours, 31,519 cycles
Part
Intercostal
Condition
Corroded
Location
Aft Cargo 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

CORROSION WEB - INTERCOSTAL LOCATED BETWEEN BS 747 AND BS 767 S-25R WL 156 AT AFT CARGO COMPARTMENT 2022-192865 / [01] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS 747 AND BS 767 S-25R WL 156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 146A7502 REV. : - AND B737-700 SRM 51-10-02 ITEM 9. SEE INDIVIDUAL SIGN OFFS BELOW.;[02] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS 747 AND BS 767 S-25R WL 156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 146A7502 REV. : - AND B737-700 SRM 51-10-02 ITEM 9. SEE INDIVIDUAL SIGN OFFS BELOW.<BR>RII

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