What was found
BS 460 AT L1 DOOR CUTOUT UPPER SILL WEB APPEARS CRACKED ON LOWER SURFACE AT RIVET (STR 16 L).
- Difficulty date
- January 21, 2013
- Submitted
- January 22, 2013
- Operation
- Air carrier
- Aircraft
- N744CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26353
- Aircraft time
- 76,057 hours, 14,969 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.