SDR ASAA2016042616650

Service difficulty report · Floor Panel · Boeing 737890

Difficulty date: April 26, 2016
Submitted: May 10, 2016
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 35,825 hours, 10,678 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 453A261031
Condition: Corroded
Location: Bs 727i-767
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

AFT CARGO FLOOR PANEL 140BF HAS DEEP GOUGES AND CORRODED UNDER CAP STRIPS. ACFT GROUNDED. EVALUATED PANEL FOR GOUGES AND CORROSION, ORIGINAL MATERIAL THICKNESS WAS 0.71; MATERIAL REMOVED 0.030; MATERIAL REMAINING IS 0.041, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1. TOOL T8225V, MATERIAL ID FOR TAB NR 2024-T3 0.071 ALUMINUM CLAD, PO 865583.1 AND BAC DWG 453A2610.3, REV "F". ALODINED AND PRIMER IAW SRM 51-20-01.