SDR SWAA2022020428023

Service difficulty report · Floor Panel · Boeing 737752

Difficulty date: November 28, 2017
Submitted: February 4, 2022
Operation: Air carrier
Aircraft: N7886A
Make and model: Boeing 737752
Aircraft serial: 35122
Aircraft time: 36,290 hours, 17,205 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Aft Cargo Compt
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

***CORROSION*** AFT CARGO COMPARTMENT PANEL 140CF HAS CORROSION AT FORWARD EDGE OF THRESHOLD CUTOUT ON BOTTOM SIDE OF PANEL. / PANEL 140 CF FROM AFT CARGO COMPARTMENT FOUND TO BE OUT OF LIMITS DUE CORROSION AND ADITIONAL GOUGES EXCEED 50% OF PANEL AREA IAW SRM 53-00-53-1A-1 AD1 PAR 5; A (1). LOCATED; DRILLED AND FABRICATED FLOOR PANEL FROM 2024T3 CLAD .071' LOT # 1310914-1 IAW DWG # 453A2610 AND AMM 51-21-72-370-804