SDR UPS04242056

Service difficulty report · Skin · Boeing 72730C

Difficulty date: March 4, 2004
Submitted: March 26, 2004
Operation: Air carrier
Aircraft: N919UP
Make and model: Boeing 72730C
Aircraft serial: 19012
Aircraft time: 49,254 hours, 50,915 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Bulged
Location: Fuselage
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 SUSPECT CORROSION (SKIN BULGING) BETWEEN SKIN & FRAME AT BS 260 FROM STR 18L - S19L. REF N/R 740347, LOW FREQ EDDY CURRENT INSP CARRIED OUT AT BS 260 FR STR 18L TO 19L IN ACCORDANCE W/B727 NDT MAN 51-00-00 PART 6 FIG 5. SUSPECT MATERIAL LOSS OF 15-20 PERCENT. DUE TO EXCESS MATERIAL LOSS IND ON SKIN PNL ABOVE & GOUGE IN SAME SKIN PNL BEYOND LIMITS REPLACED SKIN PNL BETWEEN BS 259.5 & BS 360, 19L - 24L IAW SRM 51-30-02.

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