SDR IPXA12572144

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: February 7, 2012
Submitted: March 9, 2012
Operation: Air carrier
Aircraft: N456UP
Make and model: Boeing 75724APF
Aircraft serial: 25477
Aircraft time: 13,954 hours, 23,080 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N52381
Condition: Corroded
Location: Bs 1680
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, MAIN CARGO BAY BS 1680, LBL 3 TO LBL 14, FLOORBEAM HAS CORROSION. REMOVED CORROSION, ORIGINAL THICKNESS IS .075 LOSS OF .005-.025 WITH .070- .050 REMAINING IS OUT OF LIMITS. REMOVED DAMAGE AND REPAIRED IAW EA 128249 EO B757-5310-46277-A.

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