Service difficulty report · Skin · Boeing 747422

Difficulty date
November 8, 2010
Submitted
November 8, 2010
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
84,591 hours, 10,299 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Damaged
Location
Lt Wing
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT WING UPPER SURFACE PANEL JUST OUTBOARD OF INBD AILERON. WS834.50 AND WS862.00 HAVE SUSTAINED HAIL DAMAGE, THERE HAS BEEN A TOTAL OF 11 HITS, AVERAGE DEPTH IS .003, 1 INCH IN DIAMETER AND NONE HAVE PENETRATED ACCOMPLISHED REPAIR PER SRM, REPAIR 1 ON OV WU B8478W.