Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 30, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
53,224 hours, 31,891 cycles
Part
Intercostal
Part number
146A812710
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 BS847 TO BS867 AND RBL21.00; WL156 AFT CARGO COMPARTMENT 2022-291605 / [01] REPLACED WEB-INTERCOSTAL (SHIELD) LOCATED BETWEEN BS 847 TO BS 867 AND RBL 21.00 WL 156 AFT CARGO COMAPRTMENT IAW SRM B737-700 51-40-02 AND DRAWING 146A0081 SHEET 28 REV-A; SEE INDIVIDUAL SIGNOFF BELOW.;[02] REPLACED WEB-INTERCOSTAL (SHIELD) LOCATED BETWEEN BS 847 TO BS 867 AND RBL 21.00 WL 156 AFT CARGO COMPARTMENT IAW SRM B737-700 51-40-02 AND DRAWING 146A0081 SHEET 28 REV-A; SEE INDIVIDUAL SIGNOFF BELOW.ITEM RII

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