Service difficulty report · Floor Support · Boeing 75721B

Difficulty date
November 30, 2009
Submitted
December 1, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Floor Support
Part number
7075T6511
Condition
Corroded
Location
Zone 100
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

FWD CARGO STA 508 TO STA 630 LBL 3 FLOOR SUPPORT CORRODED. STA 508 TO STA 630 LBL 3 CORRODED FLOOR SUPPORT REPAIR CARRIED OUT IAW SRM 51-70-012 FIG 1, REV 98. FLOOR SUPPORT CORROSION REMOVED, REMAINED THICKNESS 0.030", ORIGINAL THICKNESS 0.063" AND MATERIAL REMOVED 0.033" FOUND EXCEEDED LIMIT IAW SRM 53-00-53 FIG 101, REV 98. CORRODED FLOOR SUPPORT REMOVED AND REPLACED IAW SRM 51-40-02 REV 98. REPAIR IS CLASSIFIED AS MINOR REPAIR IAW GMM 6-2-100 CRITERIA.

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