Service difficulty report · Floorbeam · Boeing 747200

Difficulty date
July 12, 2004
Submitted
August 2, 2004
Operation
Air carrier
Aircraft
N522UP
Make and model
Boeing 747200
Aircraft serial
21936
Aircraft time
68,765 hours, 16,239 cycles
Part
Floorbeam
Condition
Corroded
Location
Cockpit
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

INSPECTION TYPE: C, COCKPIT - BS 340 LBL 7-45 FLOORBEAM FOUND CORRODED AS MARKED. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.060 INCH X 2 INCH X 10 INCH EXCEED SRM 53-10-01 FIG 1 LIMITS, FLOORBEAM REPAIRED PER SRM 53-10-07 FIG 10 & CIC APPLIED IAW EO M5100-2780E.

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