- Difficulty date
- January 23, 2004
- Submitted
- February 9, 2004
- Operation
- Air carrier
- Aircraft
- N672UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20324
- Aircraft time
- 70,871 hours, 20,783 cycles
- Part
- Forging
- Condition
- Corroded
- Location
- Window
- 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.
What was found
INSPECTION TYPE:C M/D- BS 1560-1580 LT WINDOW FORGING AFT EDGE ATT SKIN FOUND CORROSION REVEALED. BS 1560-1580, STR L19-L22 CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.030 INCH X 1 INCH X 1 INCH EXCEED SRM 53-30-01 FIG 1 LIMIT. WINDOW FORGING REPAIRED PER RS R-53-61-35104 & UPS ENGINEERING FILE 747-53-20164, CIC APPLIED IAW CPM 53-10-47.