SDR UPS06448087

Service difficulty report · Frame · Boeing 747121

Difficulty date: August 10, 2006
Submitted: September 29, 2006
Operation: Air carrier
Aircraft: N682UP
Make and model: Boeing 747121
Aircraft serial: 20349
Aircraft time: 104,700 hours, 26,436 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 780
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 M/D RT BS780 FRAME AT TENSION TIE CONNECTION FOUND 2 HOLE CRACK AT FRAME, CRACK LENGTH 0.040". M/D RT BS 780 FRAME CRACKED HOLE OVERSIZED AS PER UPS EO B747-5310-23715. NO CRACK FOUND AFTER HFEC INSPECTED PER NTM PART 6 51-00-00 FIG 16. S/STEEL PLATE REPAIRED AS PER RS R53-25-35540. DUE TO SEM FOUND AFTER HOLE OVERSIZED OF WHOLE STACK UP. CONTINUE INSP IS REQUIRED AS PER RS R53-25-35540 AND UPS EO B747-5310-25071-A.