Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
June 26, 2025
Submitted
June 27, 2025
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
68,945 hours, 31,059 cycles
Part
Floorbeam
Part number
143N500722
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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

MCC FLOOR BEAM SUPPORT UPPER HAS CORROSION RBL 8 -14 STA 560. PERFORMED FLOOR BEAM REPAIR AT MCC STA 560 FROM RBL 15.8 TO LBL 11.1 ON UPPER CHORD IAW B 757 SRM 53-00-51-2R REPAIR 10. THIS IS MAJOR REPAIR.

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