Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
December 9, 2020
Submitted
January 13, 2021
Operation
Air carrier
Aircraft
N434WN
Make and model
Boeing 7377H4
Aircraft serial
32454
Aircraft time
60,441 hours, 35,783 cycles
Part
Floor Support
Part number
141A5400
Condition
Cracked
Location
Cabin
Stage of operation
IN
How discovered
V
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 ON BS 312 TO BS 328 AT LEVEL RBL 32 FWD GALLEY AND LAV. REPLACED INTERCOSTAL ON FLOOR STRUCTURE LOCATED ON BS 312 TO BS 328 AT LEVEL RBL 32 FWD GALLEY, IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 DRAWING NR 141A5400 REV. PART USED 141A5410U-12. PO 202022090600101 AND REPLACED DUE TO NOT FOUND ALLOWABLE DAMAGE IN SRM.

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