SDR UPS06448148

Service difficulty report · Floor Support · Boeing 747121

Difficulty date: August 16, 2006
Submitted: October 2, 2006
Operation: Air carrier
Aircraft: N682UP
Make and model: Boeing 747121
Aircraft serial: 20349
Aircraft time: 104,700 hours, 26,436 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1220-1260
Stage of operation: IN
How discovered: 9
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

BS 1220-1260 LBL55 FLOOR SUPPORT UPPER SURFACE FOUND CORRODED. CORROSION BLEND OUT 0.087" BY 1.5" BY 10" EXCEED SRM LIMIT. M/D BS 1220-1260 LBL55 FLOOR SUPPORT REPAIRED AS PER RS R53-45-35575 AND UPS ENGINEERING FILE NUMBER 747-53-20335.