SDR DALA1122789870

Service difficulty report · Floor Panel · Doug DC951

Difficulty date: March 28, 2011
Submitted: March 29, 2011
Operation: Air carrier
Aircraft: N779NC
Make and model: Doug DC951
Aircraft serial: 48101
Aircraft time: 71,333 hours, 66,584 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Cracked
Location: Cabin
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

MAIN CABIN FLOOR PANEL 60C HAS 4EA HAT CHANNELS CRACKED ON BOTTOM OF PANEL. REMOVED 5EA HAT CHANNELS IAW SRM 51-30-2. FOUND WEB CRACKED, FABRICATED, LOCATED, DRILLED AND DEBURRED TO SKIN WITH .025 7075-T6 IAW ERA 490830-14. TRIMMED, LOCATED, DRILLED AND DEBURRED 4EA NEW HAT CHANNELS USING S2912282 IAW ERA 490830-14. INSTALLED 5EA HAT CHANNELS LOCATED, DRILLED AND DEBURRED HOLES IAW DC-9 SRM 51-10-4.

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