Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
February 28, 2024
Submitted
April 10, 2024
Operation
Air carrier
Aircraft
N8317M
Make and model
Boeing 7378H4
Aircraft serial
36992
Aircraft time
38,198 hours, 17,844 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Cracked
Location
Bs 540 Rbl25-46
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 FLOOR STRUCTURE STIFFENER LOACTAED AT BS540 AND BETWEEN RBL24.75 TO RBL 45.5 AT PASSENGER CABIN 2024-165425<[01] REPLACED FLOOR STRUCTURE STIFFENER LOCATED BS 540 AND BETWEEN RBL24.75 TO RBL 45.5 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A0060 SHEET 64 REV -. <BR>SEE INDIVIDUAL SIGN OFFS BELOW.;[02] CORRECTED STEP 1. REPLACED FLOOR STRUCTURE STIFFENER LOCATED BS 540 AND BETWEEN RBL24.75 TO RBL 45.5 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG 143A0060 SHEET 64 REV -.<BR>SEE INDIVIDUAL SIGN OFFS BELOW.;[03] CERTIFIED RII WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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