Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 11, 2021
Submitted
January 20, 2022
Operation
Air carrier
Aircraft
N422WN
Make and model
Boeing 7377H4
Aircraft serial
29826
Aircraft time
66,890 hours, 39,356 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
Stage of operation
UK
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

CRACK WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BS277 TO BS294.5 AND BL0 FWD GALLEY AND LAV ; 2021-558158 / [01] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BS277 TO BS294.5 AND BL0 FWD GALLEY IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 141A5400 REV: -; [02] CORRECTED STEP 1. REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BS277 TO BS294.5 AND BL0 FWD GALLEY IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 141A5400 REV: - SEE INDIVIDUAL SIGN OFF BELOW; [03] CERTIFIED RII WORK PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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