Service difficulty report · Floor Support · Boeing 74745E

Difficulty date
March 7, 2011
Submitted
March 30, 2011
Operation
Air carrier
Aircraft
N579UP
Make and model
Boeing 74745E
Aircraft serial
26062
Aircraft time
74,984 hours, 13,041 cycles
Part
Floor Support
Part number
7075T6511
Condition
Corroded
Location
Cargo Bay
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:D, BULK CARGO COMPT STA 1920 TO 2040 RBL 53.45 FLOOR PANEL SUPPORT FOUND CORRODED. CORROSION R & R IAW SRM 51-10-02 & 51-20-01 REV 17, ORG 0.050" BLEND DEPTH 0.003", WIDTH 1" & LENGTH 1" WITHIN SRM 53-00-51 ALLOWABLE DAMAGE 1 FIG, 101 LIMITATION, REV 17. EXCEPT STA 1942, RBL 53-45. THIS BLEND DEPTH 0.025"X 1" X 1". FINAL CUTOUT SIZE IS 2.5" X 0.75". FINAL REPAIR SIZE IS 5.75 IN LENGTH.

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