What was found
BS 400 UPPER DECK FLOORBEAM AT LBL 16 WEB STIFFENER IS CRACKED.
- Difficulty date
- February 21, 2012
- Submitted
- February 21, 2012
- Operation
- Air carrier
- Aircraft
- N748CK
- Make and model
- Boeing 747221F
- Aircraft serial
- 21744
- Aircraft time
- 113,005 hours, 25,456 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- Bs 400
- 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.