SDR UPS06447694

Service difficulty report · Skin · Boeing 747123F

Difficulty date: July 21, 2006
Submitted: August 16, 2006
Operation: Air carrier
Aircraft: N676UP
Make and model: Boeing 747123F
Aircraft serial: 20101
Aircraft time: 83,907 hours, 23,132 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Bs 380 S6r
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 U/D FX SKIN AT BS 380 S6R REPAIR AREA FOUND 3 ADDITIONAL FASTENER HOLES CRACK AT OUTER SKIN. CRACK LENGTH 0.060" & 0.090" RESP. FX BS360-384 S6R OVERLAPPING SKIN REPAIRED AS PER RS R53-15-35543 ITEM D REFER NRC 7055 FOR WORKING DETAIL. POST REPAIR INSP FOR ALL SKIN DOUBLER ARE TO BE CONTINUED AT REPEAT INTERVALS AS GIVEN IN SB 747-53-2253 AFTER MOD FLIGHT SAFETY INSP AND PER UPS ENGINEERING FILE 747-53-20319.