- Difficulty date
- August 4, 2002
- Submitted
- August 14, 2002
- Operation
- Air carrier
- Make and model
- Boeing 747212B
- Aircraft serial
- 21937
- Aircraft time
- 79,834 hours, 15,049 cycles
- Part
- Fitting
- Condition
- Cracked
- Location
- Bs 1480
- Stage of operation
- IN
- 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 LH BS 1480 B/H #7 HOLE 3EA CRACK FOUND AT OUTER CHORD SPLICE FTG RUNNING AFT 0.020" , 0.030" & 0.040" LONG (COUNT FROM UPPER TO LOWER ) (CRACK AT O/B FACE). STR L33 TO L34 LH BS 1480 B/H OUTER CHORD SPLICE FTG BOLT HOLE #7 REAMED TO 0.625" AND BUSHING INSTALLED AS PER SB747-53A2390 R1 HOLE CRACK FREE CONFIRMED AS PER NTM PT6-51-00-00.