What was found
RT FRONT SPAR WEB CORRODED AT THE LOWER CHORD INTERFACE, INBOARD OF NR 4 PYLON IN 5 LOCATIONS; ILES 1027, 1037, 1059, 1066 & 1092. REMOVED CORROSION PER B747 SRM 51-10-01, FABRICATED AND INSTALLED REPAIR PER ECRA 470-57-287-2.
- Difficulty date
- July 20, 2006
- Submitted
- September 13, 2006
- Operation
- Air carrier
- Aircraft
- N470EV
- Make and model
- Boeing 747273C
- Aircraft serial
- 20653
- Aircraft time
- 92,498 hours, 20,720 cycles
- System (JASC)
- 5711 · Wing Spar
- Part
- Spar
- Condition
- Corroded
- Location
- Rt Wing
- 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.