Service difficulty report · Crease Beam · Boeing 757232

Difficulty date
December 11, 2019
Submitted
December 27, 2019
Operation
Air carrier
Aircraft
N990FD
Make and model
Boeing 757232
Aircraft serial
22909
Aircraft time
84,848 hours, 43,091 cycles
Part
Crease Beam
Part number
144N51521
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

MAIN DECK LT IB CREASE BEAM BETWEEN STA 900 - 1040 CORRODED. REMOVED CORROSION ON CREASE BEAM LT SIDE AT STA 900 TO STA 1040 IAW SRM 51-10-02-OG, ORIGINAL MAT .070",REM MAT .059", MAT LOSS .011", EVALUATED AREA FOUND TO BE OUT OF LIMITS IAW SRM 53-40-13-1A FIG 101 DETAIL VII, REMOVED, FABRICATED, LOCATED DRILLED AND INSTALLED NEW CREASE BEAM SECTION IAW DWG 144N5140 REV D AND SRM 51-40-02-OG.