Service difficulty report · Crease Beam · Boeing 757222

Difficulty date
January 4, 2016
Submitted
January 4, 2016
Operation
Air carrier
Aircraft
N778FD
Make and model
Boeing 757222
Aircraft serial
25223
Aircraft time
75,451 hours, 27,413 cycles
Part
Crease Beam
Part number
144N514029
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

BS 940 - 960 LT CREASE BEAM WEB FOUND CORRODED. CORROSION REMOVED IAW SRM 51-10-02 REV 116. EVALUATION CARRIED OUT ORIGINAL THICKNESS 0.056", REMAINING THICKNESS 0.034", FOUND OUT OF 10% LIMIT IAW SRM 53-40-13 ALLOWABLE DAMAGE 1 REV 116. CREASE BEAM WEB REMOVED IAW SRM 51-40-02 REV 116. NEW CREASE BEAM WEB FABRICATED IAW DWG 144N5140 SHT 03 REV D. INSTALLED IAW DWG 144N5140 SHT 03 REV D. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100.