Service difficulty report · Floor Support · Boeing 74747UF

Difficulty date
August 3, 2021
Submitted
August 6, 2021
Operation
Air carrier
Aircraft
N475MC
Make and model
Boeing 74747UF
Aircraft serial
29252
Aircraft time
88,819 hours, 16,665 cycles
Part
Floor Support
Part number
65B270851
Part serial
NSN
Condition
Corroded
Location
Bs 2222-2230
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 - M/D CARGO FLOOR BEAM STRUCTURE SUPPORT CORROSION AT STA 2222 TO STA 2230 RBL 65(<P>REMOVE DAMAGED PART IAW SRM 51-40-02 REV 91. INSTALL NEW PART IAW SRM 51-40-02 REV 91 AND DWG 65B38694 SHEET 7 REV -; 65B38694 SHEET 3 REV C; 65B38687 SHEET 14 REV B; 65B38687 SHEET 10 REV D. JOB COMPLETED AND CONDITION CHECK NORMAL</P>)

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