Service difficulty report · Floorbeam · Boeing 7572Y0

Difficulty date
July 18, 2013
Submitted
August 7, 2013
Operation
Air carrier
Aircraft
N605DL
Make and model
Boeing 7572Y0
Aircraft serial
22812
Aircraft time
82,855 hours, 42,960 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 1020
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

FLOORBEAM HAS CORROSION AROUND MULTIPLE FASTENER HOLES AT BS 1020 LBL 24.5 TO 45.5. REMOVED CORROSION FROM UPPER FLANGE AND FOUND TO BE OUT OF LIMITS. FABRICATED TWO REPAIR DOUBLERS IAW SRM 51-70-11, FIG 1 & DWG 114N5080. FABRICATED TWO FILLERS IAW SRM 51-70-11. PERFORMED DYE PENETRANT INSPECTION IAW SOPM 20-20-02. INSTALLED FILLERS AND DOUBLERS IAW SRM 51-40-02.

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