Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 24, 2023
Submitted
May 3, 2023
Operation
Air carrier
Aircraft
N436WN
Make and model
Boeing 7377H4
Aircraft serial
32456
Aircraft time
66,420 hours, 39,287 cycles
Part
Intercostal
Condition
Corroded
Location
Zn 100 Fus Lower
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 BS767 TO BS787 RBL19 AND WL156 AT AFT CARGO COMPARTMENT 2023-208664<[01] REPLACED WEB - INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS767 TO BS787 RBL19 AND WL156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 146A0081 SHEET 28 REV:A;[02] REPLACED WEB - INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS767 TO BS787 RBL19 AND WL156 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 146A0081 SHEET 28 REV:A RII CERTIFIED

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