Service difficulty report · Floorbeam · Boeing 737301

Difficulty date
April 26, 2013
Submitted
April 26, 2013
Operation
Air carrier
Aircraft
N360WA
Make and model
Boeing 737301
Aircraft serial
23553
Aircraft time
52,237 hours, 38,624 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
Part time
52,237 hours, 38,624 cycles
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

AT AFT CARGO BAY BELOW FLOORBEAM HAS CORROSION UNDER THE NUT PLATES AT BS 727D+6 FROM RBL 8 TO LBL 12. REMOVED DAMAGED AND CORRODED FLOOR SUPPORT ANGLES. FABRICATED REPAIR ANGLES IAW SRM 53-00-53. LOCATED DRILLED AND DEBURRED REPAIR ANGLES IAW SRM 53-00-53. INSTALLED REPAIR ANGLES IAW SRM 51-40-02.