- Difficulty date
- January 27, 2016
- Submitted
- January 29, 2016
- Operation
- Air carrier
- Aircraft
- N670US
- Make and model
- Boeing 747451
- Aircraft serial
- 24225
- Aircraft time
- 107,955 hours, 13,213 cycles
- Part
- Shear Tie
- Condition
- Cracked
- Location
- Bs 1120
- 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
UPPER FUSELAGE INTERIOR STRUCTURE BS 1120, S10L - S11L. INNER CHORD SHEAR TIE ANGLE FOUND CRACKED. REPLACED UPPER FUSELAGE INSTERIOR STRUCTURE BS 1120 S10A LT - S11 LT INNER CHEAR ANGLE IAW DWG 65B25727 AND 65B01749 AND SRM 51-40-02, REV 95. THE CHEAR MAKE FROM 7075-0 0.063" AND HEAT TREAT TO T62 IAW SA5126-61001-2 AND DWG 65B01749 REV LETTER. JOB COMPLETED.