Service difficulty report · Flange · Boeing 747422

Difficulty date
March 3, 2005
Submitted
March 15, 2005
Operation
Air carrier
Aircraft
N177UA
Make and model
Boeing 747422
Aircraft serial
24384
Aircraft time
61,420 hours, 7,798 cycles
Engine
Pwa PW4056
Part
Flange
Condition
Damaged
Location
Ext Power Door
Stage of operation
IN
How discovered
9
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

EXTERNAL POWER RECEPTICLE DOOR FLANGE HAS AN AREA APPROX 0.5 INCH IN DIA, BURNED AWAY FROM HEAVY ARCHING ON LOWER EDGE. SOURCE OF DAMAGE UNCERTAIN. ROUTINE INSPECTION DISCOVERED DAMAGE. REPAIR PROVIDED BY ENGINEERING.