What was found
55/250 MAIN DECK FLOOR SUPPORT CORROSION BS 1700-1720 LBL 41.5. S=1"X2". REPLACED REPAIRED DOUBLER PER B747-400 SRM 53-00-52 REPAIR 3. LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING.
- Difficulty date
- January 21, 2012
- Submitted
- February 1, 2012
- Operation
- Air carrier
- Aircraft
- N663US
- Make and model
- Boeing 747451
- Aircraft serial
- 23818
- Aircraft time
- 95,626 hours, 12,445 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Condition
- Corroded
- Location
- Bs 1700-1720
- 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.