- Difficulty date
- July 11, 2022
- Submitted
- July 11, 2022
- Operation
- Air carrier
- Make and model
- Boeing 747
- Aircraft serial
- 30609
- Aircraft time
- 89,425 hours, 16,564 cycles
- Part
- None
- Condition
- None
- Stage of operation
- IN
- How discovered
- E
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH BS 840 2EA HOLE FOUND CRACK RUNNING 12 O/C ON THE FAIL SAFE CHORD LAYER WITH APPROX 0.040" IN DEPTH(<P>STA 840 LH, STR 6L TO STR 12L, THE FAIL SAFE CHORD SEGMENT REPLACEMENT REPAIRED IAW SRM 53-20-07-2R-3 REPAIR 3 AND SRM 51-70-11 REV.95 20 FEB 2022</P>)