SDR UPS03441323

Service difficulty report · Web · Boeing 747121

Difficulty date: September 11, 2003
Submitted: October 1, 2003
Operation: Air carrier
Aircraft: N682UP
Make and model: Boeing 747121
Aircraft serial: 20349
Aircraft time: 98,649 hours, 25,117 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
Location: Nlg Ww
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

INSPECTION TYPE: C, NLG W/W BAY RT STA 380 VERTICAL LOWER END ATTACH WEB AREA CORRODED. CORROSION BLEND OUT 0.40 X 1.25 X 4 INCH. NLG WW RT BS 380 VERT STRUCTURE & LOWER END ATTACH WEB REPAIRED AS PER RS R53-18-35076 DEFER THE NEW CRACK REPAIR UNTIL NEXT C-CHECK, REPEAT DETAIL EXTERNAL VISUAL INSPECTION AT 1500 FLIGHT. CYCLES INTERVALS UNTIL NEXT C-CHECK, BUT NOT TO EXCEED 3000 FLIGHT CYCLES. UPS EO B747-5310-19273-A RAISED.