Service difficulty report · Frame · Boeing 7378K2

Difficulty date
November 19, 2020
Submitted
December 1, 2020
Operation
Air carrier
Aircraft
N817SY
Make and model
Boeing 7378K2
Aircraft serial
30392
Aircraft time
65,543 hours, 25,167 cycles
Part
Frame
Condition
Corroded
Location
Aft Cargo
Stage of operation
IN
How discovered
9
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 FRAME BS 500D LBL 26 WL 156 INBOARD FLANGE. UPON FURTHER INVESTIGATION FOUND CORRODED AREA ON STA 500D LBL 26 INBOARD FLANGE TO ALSO BE DENIED. DAMAGE FOUND TO BE OUT OF LIMITS, IAW SRM 53-00-07-1A-1 STEP 4A. FORMED -1 REPAIR ANGLE FROM 7075-0 .063 LOT NR 5087735, HEAT TREATED BY OUTSIDE SERVICES PO 807410-SCA. INSTALLED REPAIR IAW SRM 53-30-07-2R-1.

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