Service difficulty report · Skin · Boeing 747422

Difficulty date
February 2, 2013
Submitted
February 28, 2013
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
56,537 hours, 6,609 cycles
Engine
Pwa PW4056
Part
Skin
Part number
311U45435
Condition
Cracked
Location
Nr 3 Nacelle
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

ON WALKAROUND FOUND 3 INCH CRACK ON NR 3 ENGINE PYLON PANEL. FOUND CRACKED FROM SCREW HOLE TO EDGE ABOUT 1.5 INCH. MM 06-09-99,PG 215 PANEL 472WR. INTERIM REPAIRED PER ECRA 5450-02013.