SDR UIEA2011101900570

Service difficulty report · Floorbeam · Boeing 76738E

Difficulty date: October 19, 2011
Submitted: October 19, 2011
Operation: Air carrier
Aircraft: N641GT
Make and model: Boeing 76738E
Aircraft serial: 25132
Aircraft time: 67,274 hours, 20,554 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1518
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 ROUTINE C4/A4 CHECK MX, DISCOVERED CORROSION ON THE FLOORBEAM UPPER TEE FORWARD FLANGE AT BS 1518 BETWEEN LBL 25.5 AND LBL 35.5. DAMAGED SECTION OF THE FLOORBEAM TEE WAS REPAIRED IAW SRM 53-10-51, FIG 201, REPAIR 4. THE REPAIR IS CLASSIFIED AS A CATAGORY A PERMANENT REPAIR IAW SRM 51-00-06.

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