SDR UPS04441990

Service difficulty report · Skin · Boeing 747212B

Difficulty date: February 9, 2004
Submitted: March 3, 2004
Operation: Air carrier
Aircraft: N526UP
Make and model: Boeing 747212B
Aircraft serial: 21937
Aircraft time: 83,180 hours, 15,676 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Rt Wing
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, RIGHT WING UPPER SURFACE T/E RABBET AREA STRAP PNL BULGED UP AT 20 INCHES O/B OF ROOT AREA. CORROSION BLEND OUT 11.5 X 1, DEPTH .115 TO .62, ORI .332 TO .328. FPI C/O SOPM 20-20-02 AT REWORK AREA CORROSION FREE NDT INSPECTED, NIL FINDING. SHOT PEENING C/O. FASTENER REINSTALLED PER RS 57-25-35116. REINSPECTION TO BE ACCOMPLISHED AT 20000 FLIGHT CYCLES DUE TO THIS REPAIR IS AN INTERIM REPAIR UPS EO B747-5710-20053-A.

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