SDR DALA1115289870

Service difficulty report · Floorbeam · Doug DC951

Difficulty date: March 1, 2011
Submitted: March 4, 2011
Operation: Air carrier
Aircraft: N779NC
Make and model: Doug DC951
Aircraft serial: 48101
Aircraft time: 71,333 hours, 66,584 cycles
Engine: Pwa JT8D17
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Sta 200
Stage of operation: IN
How discovered: 9
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

MAIN CABIN STA 200, RBL 24 TO 43 FLOOR SUPPORT HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-3. ORIGINAL THICKNESS WAS .060 IAW SRM 53-13-1, FIG 11, AFTER BLEND MATERIAL THICKNESS IS .010 OUT OF LIMITS IAW SRM 53-01. REMOVED SUPPORT IAW SRM 51-30-5. FABRICATED NEW SUPPORT IAW SRM 53-13-1, FIG 11. INSTALLED IAW SRM 51-30-5. REQUIRED INSP COMPLETED.

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