Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 31, 2021
Submitted
January 4, 2022
Operation
Air carrier
Aircraft
N456WN
Make and model
Boeing 7377H4
Aircraft serial
32463
Aircraft time
58,184 hours, 34,533 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 BETWEEN BS380 TO BS400 AND RBL10 FWD GALLEY AND LAV ; 2021-536648 / [01] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-22.; [02] REPLACED WEB INTERCOSTAL LOCATED BTW BS380 TO BS400 AND RBL10 FWD GALLEY AREA IAW B737-700 SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9; AND DWG NO. 143A5400; SHEET 38; RE. A. SEE INDIVIDUAL SINGOFFS BELOW.; [03] REPLACED WEB INTERCOSTAL LOCATED BTW BS380 TO BS400 AND RBL10 FWD GALLEY AREA IAW B737-700 SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9; AND DWG NO. 143A5400; SHEET 38; RE. A. SEE INDIVIDUAL SING-OFFS BELOW.

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