Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 20, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N463WN
Make and model
Boeing 7377H4
Aircraft serial
32467
Aircraft time
60,007 hours, 35,725 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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 312 AND BS 328 LBL46 FWD GALLEY AND LAV 2022-148037 / [01] REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 312 AND BS 328 LBL46 FWD GALLEY AND LAV I.A.W B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 REV:- SHEET 39; P/N USED IS: 141A5410U140; TOOL USED CALIPER P/N: 500-196-30 S/N: A21033535 DUE DATE: 09-OCT-22.SEE INDIVIDUAL SIGNOFFS BELOW;[02] CORRECTED STEP 1<BR>REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 312 AND BS 328 LBL46 FWD GALLEY AND LAV I.A.W B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 REV:- SHEET 29; P/N USED IS: 141A5410U140; TOOL USED CALIPER P/N: 500-196-30 S/N: A21033535 DUE DATE: 09-OCT-22.SEE INDIVIDUAL SIGNOFFS BELOW;[03] CORRECTED STEP 2.<BR>REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 312 AND BS 328 LBL46 FWD GALLEY AND LAV I.A.W B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 REV:- SHEET 26; P/N USED IS: 141A5410U140; TOOL USED CALIPER P/N: 500-196-30 S/N: A21033535 DUE DATE: 09-OCT-22.SEE INDIVIDUAL SIGNOFFS BELOW;[04] REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 312 AND BS 328 LBL46 FWD GALLEY AND LAV I.A.W B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 REV:- SHEET 26; P/N USED IS: 141A5410U140; TOOL USED CALIPER P/N: 500-196-30 S/N: A21033535 DUE DATE: 09-OCT-22.SEE INDIVIDUAL SIGNOFFS BELOW RII

More about the Boeing 737-7H4