Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date
November 29, 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
Keelbeam
Part number
143N35801
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 FWD OF BS 760 STR 28L CORRODED. CORRODED AREA AT FWD CARGO BS 760, STR 28L REPAIRED IAW EA F-5310-133420 (CORROSION REPAIR ON KEEL BEAM CHORD BETWEEN BS 715-882 AND STR 28L). REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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