SDR IPXA12572096

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: 144N800774
Condition: Corroded
Location: Bs 1100
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 FLOORBEAM, BS 1100, BL 0 TO RBL 45, CORRODED ON UPPER SURFACE AT NUTPLATE HOLES. REMOVED CORROSION ON FLOORBEAM, ORIGINAL MATERIAL .0196 LOSS OF .101 WITH .095. FOUND OUT OF LIMITS IAW SRM 53-00-51-1A1. REMOVED DAMAGE AND REPAIRED FLOORBEAM IAW EA 120225 IR B757-5310-46239-A.

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