Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
December 1, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
37,321 hours, 17,423 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

BROKEN INTERCOSTAL LOCATED FLOOR STRUCTURE BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN 2023-751487<[01] REPLACED INTERCOSTAL AND FASTENERS LOCATED FLOOR STRUCTURE BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND 51-10-02.SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED INTERCOSTAL AND FASTENERS LOCATED FLOOR STRUCTURE BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND 51-10-02.SEE INDIVIDUAL SIGN OFF BELOW.

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