SDR F3LA200100027

Service difficulty report · Floorbeam · Boeing 7373S1

Difficulty date: February 21, 2001
Submitted: February 22, 2001
Operation: Air carrier
Aircraft: N311FL
Make and model: Boeing 7373S1
Aircraft serial: 24856
Aircraft time: 31,627 hours, 19,875 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fuselage
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

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ACROSS TOP OF AFT FUSELAGE FLOORBEAM INTERCOSTAL CAP, STA 951.5, BETWEEN 26 LBL AND 50 LBL. MAINTENANCE REMOVED FLOORBEAM INTERCOSTAL, AND FABRICATED, PRIMED AND INSTALLED REPLACEMENT FLOORBEAM INTERCOSTAL PER EA 53-737-113.

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