What was found
RT NR 1 MAIN ENTRY DOOR UPPER SILL WEB CRACK BS 460, S-17R, L=2".
- Difficulty date
- August 25, 2011
- Submitted
- August 26, 2011
- Operation
- Air carrier
- Aircraft
- N669US
- Make and model
- Boeing 747451
- Aircraft serial
- 24224
- Aircraft time
- 90,864 hours, 11,144 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.