Service difficulty report · Floorbeam · Boeing 7472D7B

Difficulty date
March 2, 2007
Submitted
March 14, 2007
Operation
Air carrier
Aircraft
N524MC
Make and model
Boeing 7472D7B
Aircraft serial
21784
Aircraft time
93,958 hours, 19,481 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 340
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

BS 340 U/D FLOORBEAM UPPER CHORD FWD AND AFT FLANGE FROM RBL 13-44 FOUND 4 HOLES CRACKED. REPAIRED AS PER SB 747-53A2431 PART 3 FIGURE 9.

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