SDR SWAA2021081712697

Service difficulty report · Floor Panel · Boeing 737752

Difficulty date: January 26, 2020
Submitted: August 17, 2021
Operation: Air carrier
Aircraft: N7848A
Make and model: Boeing 737752
Aircraft serial: 34298
Aircraft time: 44,271 hours, 24,577 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Aft Cargo
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

AFT CARGO COMPARTMENT FLOOR PANEL 140DF HAS CORROSION ALONG EDGES / CORROSION FOUND ON PNL 140DF. CORROSION REMOVED FROM PNL. CORROSION REMOVED RESULTED IN EXCEEDING 20 INCH MAX LENGTH IAW SRM 51-10-02; SRM 53-00-53-1A-1. NEW PNL MATERIAL VERIFIED IAW AIPC 25-52-10-02 AND DRAWING 453A2610 AS .071' 2024T3. NEW PNL FABRICATED; DRILLED AND TRIMMED IAW SRM 51-40-05-0G-0 AND DRAWING 453A2610 PNL TREATED; PRIMED AND CIC IAW AMM 51-00-58-201; AMM 51-21-72 AND 51-21-91