Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
June 23, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N8541W
Make and model
Boeing 7378H4
Aircraft serial
63599
Aircraft time
19,964 hours, 9,843 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

AFT GALLEY FLOOR STRUCTURE STA. 947.5 LBL 25 HAS CORROSION ON FLOOR BEAM.<[01] REMOVED CORROSION PER SRM 51-10-02. BLENDED AREA OUT OF LIMITS PER SRM 53-70-51-1A-1. REMANING THICKNESS IS .084?.[10] FABRICATED ALL REPAIR PARTS I.A.W SRM 53-70-51-2R-5;[11] VERIFIED FABRICATED ALL REPAIR PARTS I.A.W SRM 53-70-51-2R-5. OK TO TREAT PRIME AND INSTALL REPAIR PARTS.;[12] INSTALLED PART [1] T-CHORD; ALL PART [2] ANGLES; AND ALL PART [3] STRAPS I.A.W SRM 53-70-51-2R-5.;[13] INSTALLED PART [1] T-CHORD; ALL PART [2] ANGLES; AND ALL PART [3] STRAPS I.A.W SRM 53-70-51-2R-5.;[14] INSTALLED PART [1] T-CHORD; ALL PART [2] ANGLES; AND ALL PART [3] STRAPS I.A.W SRM 53-70-51-2R-5.;[15] RII: INSPECTED WORK PERFORMED IN STEPS 1 THRU 8.;[16] COMPLETED REPAIR OF STA 947.5 FLOOR BEAM AND ATTACHMENT OF ADJACENT STRUCTURE IAW SRM 53-70-51-2R-5 AND 51-40-02.;[17] RII: INSPECTION COMPLIED WITH. SEE STEPS AND CORRECTIVE ACTIONS FOR ALL WORK PERFORMED. COMPLETED REPAIR OF STA 947.5 FLOOR BEAM AND ATTACHMENT OF ADJACENT STRUCTURE IAW SRM 53-70-51-2R-5 AND 51-40-02.

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