What was found
UPPER DECK, FLOOR SUPPORT UPPER CHORD OPEN HOLES CRACKED AT BS380, 400, 420, 520, 540, 600, 660, AND 720. REPAIR OPEN HOLES PER SB 747-53A2452. REPETITIVE INSPECTION ECRA 477-53-105-1.
- Difficulty date
- September 30, 2004
- Submitted
- August 11, 2006
- Operation
- Air carrier
- Aircraft
- N477EV
- Make and model
- Boeing 747SR46
- Aircraft serial
- 20784
- Aircraft time
- 69,735 hours, 34,328 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- 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.