SDR USAA051290

Service difficulty report · Floorbeam · Boeing 7374B7

Difficulty date: November 1, 2005
Submitted: November 1, 2005
Operation: Air carrier
Aircraft: N779AU
Make and model: Boeing 7374B7
Aircraft serial: 24996
Aircraft time: 41,009 hours, 41,009 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 328
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

FOUND FLOORBEAM CORRODED AT 328, CORROSION AROUND CLIP NUT HOLES RBL 10 TO Z-ANGLE AT FWD SER. CLEANED CORROSION ALODINED AND PRIMED EXCEPT RBL 21 (OUT OF SRM LIMITS) IAW SRM 51-10-51, TR53-15-01B, DEFECT SIZE: .500 DIA CORRODED AREAS.

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