Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
September 2, 2010
Submitted
September 29, 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
Part number
146N51651
Condition
Corroded
Location
Bs 1540
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

INSPECTION TYPE:C3, SECTION 46, MAIN DECK FLOOR STRUCTURE, FLOORBEAM HAS CORROSION AT BS 1540, RBL 30, RBL 49, RBL 52, RBL 54, AT UPR AFT STRUCTURE NUT CLIP FASTENER HOLES. REPAIRED IAW ER NR10-4400 DATED 17 SEP 2010.

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