SDR SWAA2022061613454

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
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 146A12712
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 BS767 TO BS794.3 AND RBL23; WL156 AFT CARGO COMPARTMENT 2022-291602 / [01] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS767 TO BS794.3 AND RBL23; WL156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DRAWING 146A0081 REV-A; SEE INDIVUAL SIGNOFF BELOW.;[02] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS767 TO BS794.3 AND RBL23; WL156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DRAWING 146A0081 REV-A; SEE INDIVIDUAL SIGNOFF BELOW. ITEM RII

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