SDR DALA1134899866

Service difficulty report · Keelbeam · Doug DC951

Difficulty date: May 13, 2011
Submitted: May 17, 2011
Operation: Air carrier
Aircraft: N775NC
Make and model: Doug DC951
Aircraft serial: 47785
Aircraft time: 73,589 hours, 69,813 cycles
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
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

KEEL AREA BETWEEN MAIN GEAR DOORS LANDING FOR PANEL 5501NW HAS CORROSION SEVERAL PLACES. REMOVED CORROSION OUT OF LIMITS IAW DWG 9923459. LOCATED, DRILLED, TREATED, PRIMED, TOP COATED AND INSTALLED NEW WEB SKIN PART NR 9923459-35 ON IAW SRM 51-10-4, 51-10-3, 51-30-1, 51-30-2 PER DWG 9923457.

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