SDR SWAA2023103004485

Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date: September 25, 2023
Submitted: October 30, 2023
Operation: Air carrier
Aircraft: N236WN
Make and model: Boeing 7377H4
Aircraft serial: 34631
Aircraft time: 57,973 hours, 34,648 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 LOCATED BS 294.5 TO BS 312 LBL 12 AND WL 208.1 AT FWD GALLEY AREA 2023-594466<[01] REPLACED WEB INTERCOSTAL LOCATED BS 294.5 TO BS 312 LBL 12 AND WL 208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 AND DRAWING 141A5600 SHEET 1 REV.N.<BR>SEE INDIVIDUAL SIGNOFF BELOW;[02] REPLACED WEB INTERCOSTAL LOCATED BS 294.5 TO BS 312 LBL 12 AND WL 208.1 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 AND DRAWING 141A5600 SHEET 1 REV.N. <BR>SEE INDIVIDUAL SIGNOFF BELOW RII CERTIFIED

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