SDR SWAA2021080397103

Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date: July 1, 2020
Submitted: August 3, 2021
Operation: Air carrier
Aircraft: N8639B
Make and model: Boeing 7378H4
Aircraft serial: 60086
Aircraft time: 21,005 hours, 9,242 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 COMPARTMENT FLOOR PNL 120CF HAS CORROSION ALONG BOTH INBD/OTBD EDGES. MARKED / FWD CARGO COMPARTMENT FLOOR PANEL 120CF HAS CORROSION ALONG BOTH INBD/OTBD EDGES; MARKED. DAMAGE EVALUATED IAW SRM 53-00-53-1A-1; FOUND TO BE OUT OF LIMITS (TOTAL DAMAGE OVER 20'). FABROCATED NEW PANEL IAW AMM 25-52-01-201-801; MATERIALVERIFIED IAW AMM 25-52-01-201-801; P# 2024-T3-071 ATAG# A53855. TREATED IAW AMM 51-21-41-370-801. PRIMED IAW AMM 51-21-72-370-804.

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