Service difficulty report · Floorbeam · Boeing 747200B

Difficulty date
June 6, 2000
Submitted
July 12, 2000
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200B
Aircraft serial
21944
Aircraft time
62,800 hours, 15,449 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

INSPECTION TYPE:C, MAIN DECK CORROSION ON UPPER DECK FLOORBEAM WEB AT BS 460 RBL 60. REPAIRED IAW QUERY NOTE N521 UP/3/2000 AND SRM 53-10-07 FIG 11. CUT OUT CORRODED AREA AND SPLICED IN FABRICATED WEB. APPROVED 8110 ISSUED FOR THIS REPAIR.

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