SDR IPXA2573125

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: April 4, 2012
Submitted: April 25, 2012
Operation: Air carrier
Aircraft: N458UP
Make and model: Boeing 75724APF
Aircraft serial: 25479
Aircraft time: 22,145 hours, 14,023 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N51721
Condition: Corroded
Location: Bs 1681
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 40, UNDER SHEAR WEB, FLOORBEAM, UNDER FORWARD FLANGE IS CORRODED AT NUTPLATE. REMOVED CORROSION, ORIG THICKNESS .160, LOSS .046, REMAINING .114. FABRICATED AND INSTALLED REPAIR IAW SRM 53-60-51-2R 4.

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