Service difficulty report · Stiffener · Boeing 7374Q8

Difficulty date
June 14, 2015
Submitted
June 24, 2015
Operation
Air carrier
Aircraft
N763AS
Make and model
Boeing 7374Q8
Aircraft serial
25100
Aircraft time
68,143 hours, 45,245 cycles
Part
Stiffener
Part number
6545413286
Condition
Corroded
Location
Bs 619
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

RIGHT LONGITUDINAL BEAM ANGLE ABOVE AFT HEAT EXCHANGER CUTOUT IS CORRODED AT BS 619. ACFT GROUNDED. REMOVED CORROSION, MATERIAL LOSS FOUND TO BE OUT OF LIMITS. R & R ANGLE IAW SRM 51-40-02-0G-0.

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