SDR DALA1132009866

Service difficulty report · Floor Panel · Doug DC951

Difficulty date: May 6, 2011
Submitted: May 9, 2011
Operation: Air carrier
Aircraft: N775NC
Make and model: Doug DC951
Aircraft serial: 47785
Aircraft time: 73,589 hours, 69,813 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Cockpit
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

COCKPIT FLOOR PANEL NR 14 HAS CORROSION SEVERAL PLACES. REMOVED FLOOR PANEL NR 14B. REMOVED CORROSION FROM PANEL IAW DC9 SRM 51-10-3. ORIG THICKNESS OF PANEL IS .025 IAW DWG 9957826. REMOVED .017 .008 REMAINING IAW SRM 51-01. MATERIAL IS OUT OF LIMITS. OBTAINED MATERIAL TO FAB NEW PANEL USING 7075-T6 .025. FABRICATED PANEL, LOCATED AND DRILLED HOLES. DEBURRED, TREATED IAW SRM 51-30-1, 51-10-3. INSTALLED PANEL IAW DC-9 SRM 51-30-1.

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