Service difficulty report · Panel · Boeing 747451

Difficulty date
April 17, 2009
Submitted
April 20, 2009
Operation
Air carrier
Aircraft
N105UA
Make and model
Boeing 747451
Aircraft serial
26473
Aircraft time
60,902 hours, 7,312 cycles
Engine
Pwa PW4056
Part
Panel
Part number
311U45363
Condition
Cracked
Location
Pylon
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

FOUND CRACKS IN 2 DIFFERENT PYLON PANELS, 1 PANEL HAS 15 INCH CRACK AND OTHER PANEL HAS 2 CRACKS 4 INCHES LONG. OLD PANELS ARE OFF. WILL REPAIR PANEL WITH SMALL CRACKS. P/N 311U4536-3. REPLACED PANEL.