Service difficulty report · Floorbeam · Boeing 74747UF

Difficulty date
May 29, 2021
Submitted
June 2, 2021
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
92,184 hours, 14,942 cycles
Part
Floorbeam
Condition
Corroded
Location
Cabin
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

CORROSION DAMAGE ON DECK FLOOR BEAM UPR CAP AT STA 1580 LBL 85(<P>REMOVED DAMAGE PARTS AND ACCESS FASTENERS IAW SRM 53-40-02 REV.91</P><P>REPAIR DAMAGE AREA IAW EI # T2021A53M-14-3 REV.1 AND SRM 53-00-51 REPAIR 3 REV.91</P><P>INSTALL WITH NEW FASTENERS IAW SRM 51-40-02 REV.91 AND DWG NO. 65B38079 SHEET 9 REV.</P><P>COND CK NORMAL.</P>)

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