Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
January 31, 2013
Submitted
February 20, 2013
Operation
Air carrier
Aircraft
N797MX
Make and model
Boeing 7377H4
Aircraft serial
27890
Aircraft time
43,213 hours, 25,217 cycles
Part
Floor Panel
Part number
115A3712
Condition
Corroded
Location
Cargo Bay
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 BAY FLOOR PANEL 140CF IS CORRODED ALONG THE EDGES. UPON FURTHER INVESTIGATION FOUND FLOOR PANEL TO BE OUT OF LIMITS DUE TO CORROSION EXCEEDED MORE THAN 3" LONG OUT OF LIMITS IAW SRM 53-00-53-1A-1. FABRICATED NEW PANEL OUT OF 2024T3 .080" LOT 1056674. LOCATED DRILLED & COUNTERSUNK, ALODINED AND PRIMED IAW SRM 51-40-05-0G 51-40-08-0G, & 51-20-01-0G.

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