SDR FDEA200911194035

Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date: November 19, 2009
Submitted: November 23, 2009
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 50,153 hours, 32,684 cycles
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Part number: 143N35801
Condition: Corroded
Location: Zone 100
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

FORWARD CARGO BILGE AREA APPROXIMATE STA 784 LH KEEL BEAM CHORD HAS SIGN OF SLIGHT SURFACE CORROSION ARROUND ONE OF THE FASTENERS. CLEAN/REPAIR. FORWARD CARGO BILGE AREA STA 784 LT, STRINGER S-28L, KEELBEAM SURFACE CORROSION REPAIR CARRIED OUT AS PER EA F-5310-133420, REPAIR IS CLASSIFIED AS MAJOR AS PER GMM 6-2-100 CRITERIA.

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