Service difficulty report · Doubler · Boeing 757204

Difficulty date
February 21, 2013
Submitted
March 7, 2013
Operation
Air carrier
Aircraft
N966FD
Make and model
Boeing 757204
Aircraft serial
25626
Aircraft time
68,641 hours, 24,554 cycles
Part
Doubler
Part number
144N521120
Condition
Corroded
Location
Crease Beam
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 CREASE BEAM WEB DOUBLER CORODED BETWEEN BS 1060 AND 1080. CORRODED DOUBLER REMOVED AN REPLACED WITH NEW DOUBLER FABRICATED AS PER DWG 144N5211 REV.A AND INSTALLED IAW DWG 144N5200 SHT.1 REV.B. REPAIR IS MAJOR.