Service difficulty report · Support Bracket · Boeing 75721B

Difficulty date
November 25, 2009
Submitted
November 25, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Support Bracket
Part number
146N54269
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

AFT CARGO STA 1220, RBL 8 TO RBL 10 FLOOR SUPPORT BRACKET CORRODED. CORROSION REMOVED IAW SRM 51-10-02 REV. 98. EVALUATED AND FOUND EXCEED LIMIT IAW SRM 53-00-07 REV. 98. MATERIALS REMOVED = 0.010", MATERIAL THICKNESS = 0.040", MATERIAL REMAINED = 0.030". SUPPORT BRACKET (SHEAR CLIP) FABRICATED IAW DWG NR 146N5426 SHT 1, REV A AND PL 146N5426 REV. G. SHEAR CLIP PART MARKED IAW GMM 7-0-1001. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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