SDR F3LA200400062

Service difficulty report · Floorbeam · Boeing 73736E

Difficulty date: April 25, 2004
Submitted: May 13, 2004
Operation: Air carrier
Aircraft: N317FL
Make and model: Boeing 73736E
Aircraft serial: 25263
Aircraft time: 33,723 hours, 17,995 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 ON FLOORBOARD HOLE AT STA 986, LBL 30, FLOORBEAM UPPER CHORD. CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-60-51, FIG. 101, DETAIL VII. REPLACED UPPER CHORD OF FLOORBEAM FROM SKIN TO SKIN IAW EA B3-53R-10397, SRM 51-40-02, 51-40-05, 51-40-08 AND SOPM 20-41-02.

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