SDR 97ZZZM615

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
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 294.5
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 T-CAP CORRODED AT FS 294.5 FROM LBL 12 TO RBL 12. CORROSION WAS .030 BEYOND LIMITS IAW SRM 53-10-1. FABRICATED FLOORBEAM SECTION OUT OF 7075 T611 98.5 INCH BY 2 INCH BY 1 INCH. INSTALLED REPAIR IAW SRM 51-30-2, 51-10-1, 51-10-2 AND MM 51-21-21.

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