Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date
December 2, 2009
Submitted
December 2, 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
143N35802
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 BS 780 TO 800 STR 28R CORRODED. CORRODED AREA REPAIRED IAW EA F-5310-133438 (CORROSION REPAIR ON KEEL BEAM CHORD BETWEEN BS 779-883 AND STRINGER 28R). REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100.

More about the Boeing 757-21B