Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
October 4, 2023
Submitted
November 10, 2023
Operation
Air carrier
Aircraft
N239WN
Make and model
Boeing 7377H4
Aircraft serial
34714
Aircraft time
57,648 hours, 34,679 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ BL-0 BETWEEN STA 277 AND STA 294.5 WL 208.1 MKD DOT<[01] REMOVED AND REPLACED NEW FLOOR SUPPORT INTERCOSTAL AT FWD CABIN WET AREA REF USED B737-700 SRM 51-40-02-0G-0 AND DWG#141A5400;[02] CERTIFIED WORK STEPS FOR REPLACEMENT OF FLOOR SUPPORT INTERCOSTAL AT BETWEEN STA 277 AND STA 294.5 WL 208.1

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