SDR 97ZZZM606

Service difficulty report · Floorbeam · Boeing 7372T4

Difficulty date
February 4, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N467AT
Make and model
Boeing 7372T4
Aircraft serial
22055
Part
Floorbeam
Condition
Corroded
Location
Bs 344
Stage of operation
IN
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

FLOORBEAM FS 344 (UPPER T-CAP) CORRODED FROM LBL 45-58. CORROSION WAS .030 BEYOND LIMITS IAW SRM 53-10-1 FIG 1. FABRICATED ONE FLOORBEAM REPAIR. FABRICATED 6 ATTACH ANGLES. ONE OUT OF 7075 T6 11 11.75 INCH BY 1 INCH BY 1 INCH BY .063. THREE OUT OF 7075 T611 7 INCH BY 1 INCH BY 1 INCH. TWO OUT OF 7075 T6 13 INCH BY 1 INCH BY 1 INCH BY .063. INSTALLED REPAIRS AND REINSTALLED FLOOR PANEL IAW SRM 51-30-2, 51-10-2, 53-10-9 AND MM 51-21-31.

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