Service difficulty report · Panel · Boeing 747422

Difficulty date
August 2, 2009
Submitted
August 4, 2009
Operation
Air carrier
Aircraft
N128UA
Make and model
Boeing 747422
Aircraft serial
30023
Aircraft time
37,690 hours, 4,536 cycles
Engine
Pwa PW4056
Part
Panel
Condition
Cracked
Location
Lt 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.

What was found

LEFT WING FIXED T/E UPPER PANEL HAS A CRACK LOCATED 18 INCHES AFT OF LEADING EDGE OF PANEL AND 23 INCHES INBOARD OF THE OUTBOARD EDGE OF THE PANEL. PANEL RMV RR 43353 TO SHOP 273 INSTALLED & RIGGED WU K6404D AT SMB.