What was found
LT NR 1 DOOR UPPER SILL WEB CRACK BS 460. S-16L. L=0.8" PER B747-400 SRM 53-10-15. REPAIR 1. REPAIRED THE CRACK.
- Difficulty date
- September 17, 2011
- Submitted
- September 28, 2011
- Operation
- Air carrier
- Aircraft
- N670US
- Make and model
- Boeing 747451
- Aircraft serial
- 24225
- Aircraft time
- 92,135 hours, 11,261 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill
- Condition
- Cracked
- Location
- Fuselage
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.