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
92,141 hours, 14,935 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 1500 Rbl107
Stage of operation
IN
How discovered
9
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 MAIN DECK FLOOR BEAM UPPER CAP AT STA 1500 RBL 107(<P>REMOVED DAMAGED PARTS IAW SRM 51-40-02, REV 91. REPAIRED DAMAGED AREA IAW EI NO T2021A53M-1427, REV 2. INSTALL WITH NEW FASTENERS IAW SRM 51-40-02 REV 91 AND DWG NO 65B38075 SHEET 13 REV A, AND 65B38251 SHEET 62 REV A AND 65B38694 SHEET 2 REV D & 14440802 SHEET 3 REV B. JOB COMPLETED.</P>)

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