SDR ASAA2013032694353

Service difficulty report · Floorbeam · Boeing 7374Q8

Difficulty date: March 26, 2013
Submitted: April 8, 2013
Operation: Air carrier
Aircraft: N764AS
Make and model: Boeing 7374Q8
Aircraft serial: 25101
Aircraft time: 63,614 hours, 40,242 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 6545808260
Condition: Corroded
Location: Bs 294
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

BS 294, FLOORBEAM HAS CORROSION ON TOP SURFACE AT LBL 10. BLENDED OUT CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 53-10-51 FIG 101 DETAIL IX. R & R FLOORBEAM UPPER TEE IAW SRM 51-40-05, AND SRM 51-40-02 STEPS 4 AND 7. APPLIED PROTECTIVE FINISHES TO NEW TEE IAW BSOPM 20-43-03 AND SOPM 20-41-02.

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