What was found
CORROSION FOUND ON THE SHEAR WEB IN THE MAIN DECK, FLOOR STRUCTURE AT BS 520, NEAR RBL 80. REPAIRED IAW EO B747-5310-69945-A.
- Difficulty date
- August 4, 2018
- Submitted
- September 21, 2018
- Operation
- Air carrier
- Aircraft
- N583UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 25867
- Aircraft time
- 116,253 hours, 19,596 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Shear Web
- Part number
- 141U536011
- Condition
- Corroded
- Location
- Bs 520
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.