SDR SWAA2021040729226

Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date: November 10, 2020
Submitted: April 7, 2021
Operation: Air carrier
Aircraft: N8657B
Make and model: Boeing 7378H4
Aircraft serial: 42535
Aircraft time: 20,411 hours, 9,034 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Fwd Cargo
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

FWD CARGO COMPT. FLOOR PANEL 120AF HAS CORROSION AROUND EDGES / EVALUATED CORROSION AROUND EDGES ON FWD CARGO COMPT FLOOR PANEL 120AF AND FOUND TOTAL ACCUMULATED CORROSION DAMAGE TO EXCEED THE 20' MAXIMUM ALLOWED OUT OF LIMITS IAW SRM 53-00-53-1A-1 NEW PANEL 120AF FABRICATED IAW AMM 25-52-01-201-801 AND BOEING DWG 453A1610 REV B TREATED AND PRIMED IAW AMM 51-21-41-370-802 AND AMM 51-21-72-370-804 A TAG C06776 453A1610-104

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