SDR DALA1035689855

Service difficulty report · Floorbeam · Doug DC951

Difficulty date: December 14, 2010
Submitted: December 15, 2010
Operation: Air carrier
Aircraft: N764NC
Make and model: Doug DC951
Aircraft serial: 47717
Aircraft time: 77,185 hours, 77,042 cycles
Engine: Pwa JT8D17
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 237
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 M-CHECK FOUND MAIN CABIN STA 237, LBL 24 TO LBL 42 FLOOR SUPPORT HAS CORROSION. REMOVED CORROSION STA 237, LBL24 TO LBL42 OUT OF LIMITS IAW SRM 53-01, FIG 1. REMOVED FLOOR SUPPORT IAW SRM 51-30-2. FABRICATED FLOOR SUPPORT IAW SRM 53-13-2 FIG 4, 51-10-4 TREATED AND PRIMED IAW SRM 51-10-3. INSTALLED IAW SRM 51-30-2 LOCATED AND DRILLED HOLES IN FLOOR SUPPORT FOR FLOOR PANEL IAW SRM 51-10-4.

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