SDR SWAA2023090686601

Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date: August 7, 2023
Submitted: September 6, 2023
Operation: Air carrier
Aircraft: N225WN
Make and model: Boeing 7377H4
Aircraft serial: 34333
Aircraft time: 59,226 hours, 35,397 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: UNKNOWN
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 BS492 TO BS500A RBL21 AND WL156 AT FWD CARGO COMPARTMENT 2023-490506<[01] REPLACED WEB - INTERCOSTAL LOCATED BS492 TO BS500A RBL21 AND WL156 AT FWD CARGO COMPARTMENT IAW B737-700 SRM-51-40-02 AND DWG-143A0080 REV: - SEE INDIVIDUAL SIGN-OFF BELOW;[02] REPLACED WEB - INTERCOSTAL LOCATED BS492 TO BS500A RBL21 AND WL156 AT FWD CARGO COMPARTMENT IAW B737-700 SRM-51-40-02 AND DWG-143A0080 REV: - SEE INDIVIDUAL SIGN-OFF BELOW<BR>AS RII

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