Service difficulty report · Flange · Boeing 747412

Difficulty date
July 30, 2013
Submitted
July 30, 2013
Operation
Air carrier
Aircraft
N491EV
Make and model
Boeing 747412
Aircraft serial
26561
Aircraft time
85,205 hours, 14,914 cycles
Part
Flange
Condition
Worn
Location
Zone 400
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

NR 3 ENGINE NOSE COWL AFT FLANGE HAS WEAR MARK FROM FAN COWL AT 11:00 POSITION. FABRICATED REPAIR STRAP AND INSTALLED IAW DWG 54101306-1 AND SRM 51-70-10, PG 254-255, PAR 20-21.