Service difficulty report · Floor Support · Boeing 747200

Difficulty date
May 18, 2003
Submitted
June 11, 2003
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
70,081 hours, 16,930 cycles
Part
Floor Support
Condition
Corroded
Location
Cargo Bay
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, BULK CARGO STA 1920-1980 LBL 45 FLOOR SUPPORT UPPER AND LWR SURFACE CORRODED. BULK CARGO STA 1920-1950 LBL 45 FLOOR SUPPORT REPAIRED AS PER SRM 53-10-07 FIG 20 DUE TO BLEND OUT (1.25 INCH X 3 INCH X 0.019 INCH) EXCEEDED SRM 53-10-01 FIG 1 LIMITATION. BS 1950 TO BS 1980 LBL 45 FLOOR SUPPORT CORROSION REMOVED WITHIN SRM 53-10-01 FIG 1 LIMITATION.

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