Service difficulty report · Floorbeam · Doug MD11F

Difficulty date
July 26, 2019
Submitted
August 8, 2019
Operation
Air carrier
Aircraft
N609FE
Make and model
Doug MD11F
Aircraft serial
48549
Aircraft time
83,831 hours, 20,117 cycles
Part
Floorbeam
Part number
NCA624463
Condition
Corroded
Location
Bs 595
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

M/D FLOOR PANEL SUPPORT AT STA 595 X= -57.25 TO X = -61.75 FOUND CORRODED . MAIN DECK FLOOR PANEL SUPPORT AT STA 595 X= -57.25 TO X = -61.75 CORROSION REMOVED AND FOUND EXCEEDED LIMIT AS PER SRM 53-00-00-2R FIG 202 ALLOWABLE DAMAGE . MAT REMAINED : 0.020". CORRODED FLOOR SUPPORT AT STA 595 X = -57.25 TO X = -61.75 CARRIED OUT REPAIR AS PER SRM 53-00-52-2R FIG 201 REPAIR 5. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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