Service difficulty report · Crease Beam · Boeing 737752

Difficulty date
November 11, 2017
Submitted
November 14, 2017
Operation
Air carrier
Aircraft
N714SY
Make and model
Boeing 737752
Aircraft serial
33786
Aircraft time
43,857 hours, 22,340 cycles
Part
Crease Beam
Condition
Corroded
Location
Fuselage
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

L-1 CREASE BEAM INNER CHORD CORRODED STA 328-344. REMOVED CORROSION ON L-1 CREASE BEAM INNER CHORD AT STA 328 - 344. VERIFIED MATERIAL LOSS IS .050", ORIGINAL "T" .090, REMAINING "T" .040". "OUT OF LIMITS". REMOVED L-1 CREASE BEAM INNER CHORD. LOCATED AND DRILLED NEW CREASE BEAM. INSTALLED NEW L-1 CREASE BEAM INNER CHORD.