Service difficulty report · Floorbeam · Boeing 75721B

Difficulty date
September 29, 2009
Submitted
September 29, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Floorbeam
Part number
146N51116
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

MAIN DECK FLOOR SUPPORT BEAM CORRODED ON LWR SURFACE STA 1681.9, RBL 16, WL 208.10. REPAIR ON SUPPORT BEAM AT STA 1681.9 CARRIED OUT IAW EA F-5310-133424 (BLEND OUT REPAIR ON FLOORBEAM UPPER CHORD AT BS 1681 BL 16). REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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