SDR ASAA2016031615985

Service difficulty report · Floor Panel · Boeing 737990

Difficulty date: March 16, 2016
Submitted: March 21, 2016
Operation: Air carrier
Aircraft: N303AS
Make and model: Boeing 737990
Aircraft serial: 30016
Aircraft time: 53,482 hours, 20,560 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 453A161083
Condition: Corroded
Location: Bs 500h-500l
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 PANEL 120EF IS CORRODED AROUND THE EDGES OF THE UPPER SURFACE. ACFT GROUNDED. UPPER SURFACE CORROSION FOUND OUT OF LIMITS, DAMAGED EXTENDED MORE THAN 3" IAW SRM 53-00-53-1A-1, PARA FA, 1, CB. FABRICATED NEW FLOOR PANEL 120EF IAW DWG 453A1610, SHEET 54, REV B. APPLIED ALODINE AND PRIMER TO FLOOR PANEL IAW SRM 51-20-01.