Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
March 30, 2009
Submitted
April 24, 2009
Operation
Air carrier
Aircraft
N439UP
Make and model
Boeing 75724APF
Aircraft serial
25470
Aircraft time
17,725 hours, 11,825 cycles
Part
Floorbeam
Part number
146N51491
Condition
Corroded
Location
Fuselage
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:C CORROSION ON MAIN DECK FLOORBEAM AT STA 1200 BETWEEN LBL 3.6 AND 5.6 CORROSION IS OUT OF LIMITS. REMOVED CORROSION. FOUND OUT OF LIMITS IAW SRM 53-00-51-1A1 DETAIL II. REMOVED CEILING PNL PER SRM 51-40-02. REMOVED CLIP FWD FLOORBEAM. FAB REPAIR ANGLE MAE TRAVELER T9/789178 IAW WITH EA757-5365-27-A1859. FAB -3 REPAIR CLIP 7075-T66511 BATCH 1574567 IAW EA 757-5365-27- A1859. FAB FILLER 7075T6 .071 BATCH 1492833.

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