SDR IPXA1565728

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: February 22, 2011
Submitted: March 28, 2011
Operation: Air carrier
Aircraft: N455UP
Make and model: Boeing 75724APF
Aircraft serial: 25476
Aircraft time: 30,313 hours, 13,755 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 310-324
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:C4, FWD CREW ENTRY STA 310-324 LBL 64, WL 208 SUPPORT CHANNEL NEAR DRAIN CORROSION UNDER NUTPLATES AND ON TOP AT AFT HOLE. REMOVED CORROSION ORIGINAL THICKNESS .050 LOSS .006 WITH .044 REMAINING IS OUT OF LIMITS IAW SRM 53-10-51 ACCOMPLISHED BLEND REPAIR TO LEAVE AS IS IAW EA 110211, EO B757-5310-41844-A.

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