SDR UPS06448665

Service difficulty report · Attach Fitting · Boeing 747123F

Difficulty date: October 11, 2006
Submitted: November 17, 2006
Operation: Air carrier
Aircraft: N677UP
Make and model: Boeing 747123F
Aircraft serial: 20391
Aircraft time: 97,105 hours, 24,042 cycles
System (JASC): 5340 · Fuselage Main, Attach Fittings
Part: Attach Fitting
Condition: Cracked
Location: Bs 840
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 LEFT BS 840 FRAME TENSION TIE ATTACHMENT AREA ONE EACH FASTENER HOLE CRACK AT WEB DOUBLER APPROX .0625 INCH LONG RUNNING I/B AND LWR. M/D BS 840 LT FRAME ATTACH DOUBLER CRACKED HOLE OVERSIZED & FASTENER INSTALLED AS PER UPS EO B747-5310-23715 APP C AFTER CRACK FREE INSP BY HFEC INSP PER NTM PART 6 51-00-00 FIG 16. STEEL PLATE AND ALU STRAP REPAIRED AS PER R53-25-35653 REFER NRC50086 FOR DETAIL. CONTINUE INSP REQ'D PER RS R53-25-35653 & UPS EO B747-5310-25541-A.