Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
September 1, 2010
Submitted
September 27, 2010
Operation
Air carrier
Aircraft
N424UP
Make and model
Boeing 75724APF
Aircraft serial
25369
Aircraft time
22,227 hours, 14,706 cycles
Engine
Pwa PW2040
Part
Floorbeam
Condition
Corroded
Location
Bs 1320
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

INSP TYPE:C3 SECTION 46 MAIN DECK FLOOR STRUCTURE, HAS CORROSION ON FLOORBEAM BS 1320, RBL 29.5, RBL 33, RBL 37.5, RBL 41, WL 208, AT NUT CLIP FASTENER HOLE, AT FWD & AFT UPPER SIDE OF BEAM. REPAIR IAW ATS ER 10-4317.

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