Service difficulty report · Floorbeam · Boeing 74748EF

Difficulty date
August 17, 2018
Submitted
August 30, 2018
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
92,991 hours, 16,160 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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 FLOORBEAM CORROSION. REPAIR AREA NEW UPPER CHORD IS FROM STA 1540, LBL 62 OVERLAP CORROSION AREA. REPAIR IAW SRM 53-00-51-2R-3 REV 83 AND EI 72018A53M-4121 REV 1 AND DWG 65B38077 SH7 REV. COND CHK NML AND JOB COMPLETED.

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