- Difficulty date
- August 17, 2006
- Submitted
- October 2, 2006
- Operation
- Air carrier
- Aircraft
- N682UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20349
- Aircraft time
- 104,700 hours, 26,436 cycles
- Part
- Skin
- Condition
- Corroded
- Location
- Bs 1237-1240
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS 1237-1240 LBL68-74 WING CTR SECTION UPPER SKIN CORROSION. CORROSION BLEND OUT 0.045" BY 3" BY 4" EXCEED SRM LIMIT. BS 1237-1240 LBL68-74 WING CTR SECTION UPPER SKIN CORRODED AREA REPAIRED AS PER RS R57-14-35592 AND UPS ENGINEERING FILE NUMBER 747-57-20108.