Service difficulty report · Floorbeam · Boeing 757222

Difficulty date
May 26, 2011
Submitted
June 8, 2011
Operation
Air carrier
Aircraft
N568UA
Make and model
Boeing 757222
Aircraft serial
26674
Aircraft time
60,932 hours, 22,452 cycles
Engine
Pwa PW2037
Part
Floorbeam
Condition
Corroded
Location
Bs 1660
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

CORROSION ON FLOORBEAM UPPER CHORD, BS 1660, LBL 9.5 - LBL 26. MAJOR REPAIR ACCOMPLISHED. REMOVED CORROSION ON FLOORBEAM PER SRM. REMAINING MATERIAL FOUND TO BE OUT OF LIMITS. CUT OUT DAMAGED AREA ON UPPER CHORD SAT 1660 LBL 12- LBL-27, NDT AND HFEC AREA AND FOUND IT TO BE CRACK FREE. FABRICATED DRILLED AND INSTALLED IAW SRM.