SDR IPXA10560991

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: June 23, 2010
Submitted: July 9, 2010
Operation: Air carrier
Aircraft: N457UP
Make and model: Boeing 75724APF
Aircraft serial: 25478
Aircraft time: 21,437 hours, 12,943 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 652
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:C3, FLOOR SUPPORT AT BS 652, RBL 10.45 HAS CORROSION ON THE UPPER SURFACE. REMOVED CORROSION ON FLOOR SUPPORT AT BS652, RBL10.45 IN AREA OF 2.5"X1"X.010 ORIGINAL THICKNESS .063 FOUND TO BE OUT LIMITS IAW SRM 53-30-53-01 DETAIL. R & R FLOOR SUPPORT FROM BS633 TO 705 R BL10.45 WL156.5 IAW SRM 51-40-02.

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