Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 25, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N419WN
Make and model
Boeing 7377H4
Aircraft serial
29824
Aircraft time
64,912 hours, 38,308 cycles
Part
Web
Condition
Cracked
Location
Fwd Galley
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

CRACK WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 294.5 TO BS 312 AT LEVEL BL0 FWD GALLEY AND LAV ; 2021-295484 / [01] REMOVED WEB-INTERCOSTAL LOCATED BETWEEN BS294.5 TO BS 312 AT LEVEL BL0 GALLEY AND LAV. IAW B737-700 SRM 51-40-02. PERFORMED VISUAL INSPECTION ON AREA AND NOT FOUND MORE DAMAGE. EVALUATED WEB-INTERCOSTAL FOR CRACK AND NOT FOUND ALLOWABLE DAMAGE ON SRM WEB-INTERCOSTAL MUST BE REPLACED. MEASURE CRACK IS L:0.314; [02] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 294.5 TO BS 312 AT LEVEL BL0 FWD GALLEY AND LAVATORY IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 141A5400 REV -; [03] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 294.5 TO BS 312 AT LEVEL BL0 FWD GALLEY AND LAVATORY IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 141A5400 REV - RII

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