SDR IPXA1568978

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: August 19, 2011
Submitted: September 2, 2011
Operation: Air carrier
Aircraft: N432UP
Make and model: Boeing 75724APF
Aircraft serial: 25463
Aircraft time: 19,529 hours, 13,465 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1480
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:C-CHECK, MAIN CARGO BS 1480 FLOORBEAM, RBL 5, WL 200 HAS CORROSION ON UPPER SURFACE OF LOWER LIP AROUND NUTPLATE TO THE EDGE. REMOVED CORROSION ORIGINAL THICKNESS .220 LOSS .045 WITH .175 REMAINING IS OUT OF LIMITS IAW SRM 53-00-51-1A-1. ACCOMPLISHED STEPS OF EA 1110 861/IR EO B757-5310-44124-A FOR EXTENDED LIMITS INSPECTED AREA, TREATED AND PRIMED.

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