Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
September 10, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
49,352 hours, 25,598 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

CORROSION ON FLOOR BEAM UPPER SURFACE LOCATED BS 986.5 AND RBL 43 AFT GALLEY AREA 2023-575295<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[03] PERFORMED PERMANENT REPAIR LOC ON FLOOR BEAM UPPER SURFACE LOCATED BS 986.5 AND RBL 43 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 MATERIAL USED: [1] STRAP P/N: 7075T6-0.100 P/O: 2022 102105;[2] ANGLE P/N: BAC1490-2887 P/O: 2023 174948 AND [3] FILLER P/N: 7075T6-0.150 P/O: 2023 195692 <BR>SEE INDIVIDUAL SIGN OFF BELOW.;[04] PERFORMED PERMANENT REPAIR LOC ON FLOOR BEAM UPPER SURFACE LOCATED BS 986.5 AND RBL 43 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 MATERIAL USED: [1] STRAP P/N: 7075T6-0.100 P/O: 2022 102105;[2] ANGLE P/N: BAC1490-2887 P/O: 2023 174948 AND [3] FILLER P/N: 7075T6-0.150 P/O: 2023 195692 <BR>SEE INDIVIDUAL SIGN OFF BELOW.<BR>CERTIFIED AS RII

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